Knowledge (XXG)

Talk:DNA replication

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1252:
lagging/leading/replication fork) and need to be cleaned up. sorry for my bad grammer, ive been up all night doing final edits on my h2ax paper so im just a little grammered out! but I think the next major section should be archea and replication in bacterial and eukaryotic viruses. As for the way eukaryotic and prokaryotic replication is structured..i think its fine as it is now (maybe a section pointing to the mechanism of elongation and a blurb explaining that) and then the pages that you started with it could be further detailed later on...i think we also need some way to talk about checkpoints in S-phase in the eukaryotic cell cycle with regards to stalled replication forks and double strand breaks and other forms of DNA damage that can occur in DNA replication..nothing huge, but something pointing to DNA repair (And hopefully if i get a good grade on my paper, ill turn it into a wikipedia page!)..anyways, enough of my blabbing - Joe
1191:
virus, plasmid replication and D-loop replication of mitochondrial dna, all in the section because they deal with replication. while i can see the reasoning behind splitting it up, talking about all the different forms of replication on other pages, while keeping to the basics on the main page may detract from the main purpose of the article. if we structure the article better however, i am sure it will be a lot easier to read, regardless of the level of detail. furthermore, all of my edits i used the voet and voet biochemistry textbook source. Also, those two pages on pro and eu-karyotic replication is just work someone else stuck on that page that i originally added to the dna replication page:P - Joe
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strand as a group of several, or one at a time as the lagging strand is exposed? It is possible that with the initial formation of the pre-replication complex, several RNA primers are added. But since most Okazaki fragments are a few hundred base pairs and the pre-replication complex exposes about the same number of base pairs on the lagging strand, I would imagine only one RNA primer could be added initially. Once replication is proceeding, I would think primers would be added continuously. Thanks!
92: 64: 31: 2325:"The nucleotides on a single strand can therefore be used to reconstruct nucleotides on a newly synthesized partner strand" If the nucleotides on the parent strand are used to construct the partner strand, then the parent strand would be all gone by the time the partner strand was synthesized. No net DNA synthesis would be occurring. To avoid this misunderstanding, say "can be used as a template to direct the order of nucleotides being added to the growing partner strand"? 148: 258: 208: 2346: 385: 1045:. All these are stubs right now and topics that should be part of this article. (As far as DNA replicate goes, it appears that article's content was copied from a former version of this article at the beginning of February this year, after which this article was heavily edited away from its former content so that we have two completely different articles on the same topic now.) - 22: 590:
also driven by a code or are they automatically tripped, like thermostats? It is implied by the terminology used if nothing else that decisions are being made by these enzymes. How do enzymes make decisions? If there is a Wiki article that begins to explain this, there should be a link. Neither the enzyme nor the enzyme kinetics article does so.
354: 568:-DNA-B first marks the initiation site for Rep (aka Helicase) to begin "cutting" the DNA -DNA Gyrase relaxes the supercoiling so that the section of DNA that needs to be replicated is stretched out -topoisomorase (not sure on spelling) breaks covelant bonds (not sure why, I believe so that Rep has a place to start cutting the strands) 580:
picture that has Pols 1-3 and a description of what they do and in which direction they do it. Most Pols have action in both the 3-5 and 5-3 directions. Pol 1 removes the RNA primers and repairs the region with the last few bases between fragments, ligase is still required for the final 'stitch' between the fragments.
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and will likely generate more feedback. While it contains jargon like 'helicase' and 'polymerase', I think those terms are adequately contextualized, and could be wikilinked in a brief caption. More of this type of simple audio-video content is something that could greatly benefit science articles.
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The problem is that if the triphosphates are on the growing strand and not on the free nucleotides, proof-reading by removing a mismatched terminal nucleotide is problematic: Once a nucleotide is added, the triphosphate is lost and a single phosphate remains on the backbone between the new nucleotide
1516:
that focuses more on common mechanisms. I've thrown away a lot of the protein naming. It would be wonderful if anyone interested could take a look at the article, make corrections, suggestions and/or mark it up with {{fact}} and {{what}} tags (I tend to write things in one fell swoop and it's hard to
1485:
I disagree also. I'm a 3rd year Med Student who just couldn't grasp this concept last year in class. HOWEVER, after reading this article, utilizing the FANTASTIC visual aides, plus visiting the word links that I didn't understand... It pulled it all together for me. The lightbulb finally turned on
604:
The information about the speed of replication in humans had an error that I cleaned up quickly. It said something to the extent that the an average human chromosome had 6 billion base pairs. This is wrong, the entirety of the human genome has ~6 billion base pairs, which are themselves arranged in
2218:
The article makes one reference to the DNA being duplicated (use ctrl-f and search for it to see what I mean) and many references to it being replicated (and is titled as such). Should the single reference to duplication be changed to replication to avoid confusion, or are the terms the same in this
2011:
Currently (this exact phrasing is a result of my own recent edits, but the article was to this effect before my edits) we say: "The leading strand receives one RNA primer while the lagging strand receives several." Is the later part of this sentence accurate? Are the RNA primers added to the lagging
1317:
This page seems to be suffering from some major issues. In my opinion, it would be best to make the distinction between prokaryotic and eukaryotic DNA replication more obvious, preferably by splitting everything except the introduction in a prokaryotic and a eukaryotic section. Also, it doesn't have
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I'm not watching the video, I don't know which one you're referring to. Proofreading of 3'-5' polymerization would require the energy to add the next nucleotide to be stored within triphosphates on the 5' end of the nascent strand. Proofreading would remove this triphosphate, leaving the polymerase
1336:
I feel these eubacteria / eukaryotes / archaea sections are very heavy on naming of specific enzymes rather than focusing on general mechanisms. I think it would be nice to reorganize this article with more general mechanisms of DNA replication rather than throwing case studies at the reader. I was
1213:
Ok, tonight I edited a lot of the page (i think). I sectioned it off, added a bunch of new information on the clamp loader, regulation of plasmid replication. I also added all the info from leading, lagging, d-loop (with my own edits), rolling circle, and replication fork pages into this one...so
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I was the one who made the intial edits in late feb. because i thought the original article didnt go into enough details regarding the specifics of replication. My intention was to leave it as something to work on and keep the main details on DNA replication in eukaryotes, prokaryotes and now the
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In my opinion there should be to separate articles for DNA replication in prokaryotes and DNA replication in eukaryotes. At least it should be made clear if prokaryotic DNA replication or eukaryotic is described. I think I know these two processes quite well, but people who read this to learn about
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This page also fails to address the obvious question of how the enzymes know how to complete these complex tasks. As it is, we appear to have an obscurium per obscurius, whereby the propensities of celled creatures are explained by a code, but the actions of enzymes remains a mystery. Are enzymes
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I too would prefer if this particular article confines itself to the general mechanisms, without going into too much detail about all the specifics. Separate articles can be written about eubacteria / eukaryotes / archae can be linked from here, and things can be dealt with in more detail there. -
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also have their own pages. Therefore, these sections could be reduced to a brief summary here. Alternatively, their pages could redirect here, so that the content is not duplicated. I'm not sure what would be the best approach, but given the amount of details, I think it might be best to keep this
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bit late on the reply, but I am a bsc in biochemistry. I haven't got my textbooks in this country but I will see what I can find. If the tagging on unclear stuff could be focused into individual sections that are problematic, it would be easier to work :) it is hard to identify difficult passages,
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It is DNA Replication, although this can sometimes be called "DNA Synthesis" as in the new daughter strands are being synthesised. Protein synthesis involves transcription and translation (I can never remember the diff) and the various RNAs. (t-,m- and r-?) Although I do agree that it needs a good
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Topoisomerase and DNA Gyrase are the same enzyme, it just has action in both supercoiling and uncoiling, the fluoroquinolone class of drugs work here actually. Additionally the picture is an extremely simplified representation of DNA synthesis, rather than edit it I would look for a more complete
1984:
I noted in section 'Origin' both m-dashes and hyphens were used. It would be best to standardise on n-dashes throughout if hyphens are not appropriate. Style guide gives chapter and verse, and should be read. Sooner or later in the GA/FA process it has to be done, so best to do these things right
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It seems to me that it would be beneficial to hyperlink the term "Okazaki fragments" to the Wiki article of the same name....also possibly pluralizing the word "discoverer", since in the Okazaki fragment Wiki article two Okazakis are credited with their discovery. Just a couple of thoughts after
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We'd need a citation here. The error rate for Taq and other thermostable polymerases is 10^-5, or at best 10^-6. The "1 in a billion" number is for the entire replication machinery - that is, the entire holoenzyme, mismatch repair systems, etc., which includes a lot more than just the polymerase.
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This is the kind of article I'd be interested in reviewing, but I think it would have problems making it out of the starting blocks with the large number of unreferenced paragraphs. I recommend withdrawing and getting the sourcing up to par. It might be possible to do this quickly, as everything
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In the section under Origins of Replication, there is a reference to Okazaki fragments as follows: "Once strands are separated, RNA primers are created on the template strands. More specifically, the leading strand receives one RNA primer per active origin of replication while the lagging strand
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True. But it is a complex topic. :) But seriously, we have to strike a balance between comprehensive coverage and keeping it simple. A difficult thing to achieve. :-/ Note that it would be even more difficult to understand, if not for all the wikilinks. And a lot of the (really) gory details are
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I agree that most of the changes appear to be good faith edits and might have been triggered by the existence of two identical pages on the topic. It is still the same topic though, making one page a fork of the other, and some information now is only available in one version versus the other. -
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For those of you who know a little more about the licencing factors, how about an explanation of why gene shearing is an accepted technology - do we really know what control mechanisms are involved here ? Or is the inherent capacity of the cell to allow for our meddling, increasingly a source of
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Cool, thanks for your edits, Joe! It is much better structured now. Including information from biochemistry and molecular biology textbooks is good. However, since DNA replication is something kids hear about in highschool and might look up on Knowledge (XXG), this article needs to have clearly
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terminal two of three phosphate groups) and transesterification of the remaining phosphate to the free 3- hydroxyl group of the growing chain. This increases the chain length by one nucleoside, generates pyrophosphate, and reconstitutes another 3' hydroxly group for continued chain elongation.
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DNA replication proceed in the 5' to 3' direction because the substrates for DNA replication, like RNA polymerization, are 5' nucleoside triphosphates. In DNA replication the 2' deoxynucleoside triphosphates elongate nacent chains in a template-directed fashon by cleavage of pyrophosphate (the
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I personally would disagree, since I believe the article is too brief, but I notice that several commentators on this talk page think that the coverage in this article is just about right. I am thus nominating the article for GA. Assuming that a fair and conscientious GA reviewer takes on this
1696:
After reading both articles, the similarity is quite apparent; the merging of these two pages makes sense in terms of completeness. However, there was an earlier discussion about the simplicity of this article. As an 11th grader I can easily understand the plight of several High School Biology
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Thanks for your hard work re-writing the article. I had the article watched for a while now since I thought it needed great improvement but never personally got around to it. The writing is quite excellent and will hopefully be easy for a non-scientist to understand. I think with a few more
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In the 'dynamics at the replication fork' section topoisomerase and helicase were mixed up (which can be verified by looking at their wikipedia pages, which say that topoisomerase unwinds while helicase cuts). But there is still a thing about DNA gyrase there which is a form of topoisomerase
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Merge has been done, but the result is not completely satisfying: I find the article very long and complex and tiring to read, while some points are still not sufficiently explained. For instance I came here looking for details about "stalled replication forks", but the search returns several
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The reverse sequence 3- to 5- polymerization does occur in nature but would require a different mechanism to dominate the replication process. Prof. Eric Lander (MIT) postulated an explanation of a possible reason natural selection preferred the current order. The reverse process would use
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It still needs a lot of work, and a lot of new sections need to be added to it. At the moment, I study microbiology at the university of guelph. But a lot of sections still need to be edited for more "completeness" because I either pulled them right from the wikipedia page (like d-loop,
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I was reading the DNA replication, and unable to find information pertaining DNA replication's bidirectionality. I think it is very important to have a section to explain the DNA's bidirectionality replication of a chromosome, as well as a contradictary example of unidirectionality.
1756:"The energetics of this process also help explain the directionality of synthesis - if DNA were synthesized in the 3' to 5' direction, the energy for the process would come from the 5' end of the growing strand rather than from free nucleotides." So be it. Where is the problem here? 1370:
I feel bad throwing material away, but I feel like the page needs a rewrite that focuses on common mechanisms rather than separately describing a couple of very detailed biochemical cases. I'd like to start working on it myself, please let me know if I shouldn't spend time on it.
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I saw that people were saying how unclear the article was, so I made some changes (but am not done yet). Could someone, preferably someone who is not a molecular biologist or a biochemist :), read few of my changes, so I know if it is understandable to a more general public?
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I think that the merging does make a lot of sense, being a "High School Biology student," as you put it. The replication fork is in the very first picture in the article, and is the beginning of DNA replication, so I would say it would make more sense to merge the two.
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It would be useful maybe to have a shorter, more readable section "Replication Fork" in this article, with a link to a full main article "Replication Fork", where the subject could be treated really exhaustively, just like it is done in many historical articles in
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shaon== I think there should also be another section discuss the similiarties between eukaryotic and archeal (and archeal - prokaryotic) DNA replication. This is important because it deals with evolution and the relatedness between eukaryotes and archea.see it,,
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i think a very general entry level article would be great. Then the details of the processes can be expanded in the specific pro and eu articles. Certainly a discussion of the differences might be an intereszting aspect that could be developed in this article.
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Likewise, to add refs to unref'd paras, select one or two standard texts and stick to them. I notice you have refs to the out-of-date-edition of The Molecular Biology of the Cell. They should be adjusted to the latest edition, including the new pages numbers.
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and the rest of the strand. If that nucleotide is mismatched, you have to remove it and then only have one phosphate at the end of the "growing strand", not a triphosphate that is needed to attach a new nucleotide. So it's stuck and can't grow anymore.
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is a product of vandalism. For some reason its removal from this page was not noticed. I agree that all stubs should probably be folded into this article and turned into redirects. If someone wishes to expand them later they still have that option.
1366:"Activation of the complex occurs in S-phase and requires Cdk2-Cyclin E and Ddk. The activation process begins with the addition of Mcm10 to the pre-RC, which displaces Cdt1. Following this, Ddk phosphorylates Mcm3-7, which activates the helicase." 2358: 361: 1272:) and chemical DNA synthesis (oligonucleotide synthesis). Should DNA synthesis be disambiguated? Also, information on chemical DNA synthesis was requested, but I think it's beyond the scope of this article as it is not exactly replication, but 2100:
articles, each of them using the term but without the simplest explanation, and the one place where such an explanation could be expected, precisely "Replication Fork", does indeed mention stalled forks, but with confusing expressions like
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and could certainly improve this article if it were intended to be a general introduction to the topic. However, I don't really know enough to compare and contrast prokaryotic and eukaryotic replication. I'm more of a translation guy.
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Also, the DNA polymerase referred to in the picture is DNA Polymerase III, and DNA polymerase I is involved in removing the segments between the Okazaki fragments (because they were created by RNA Primase and use RNA nucleotides).
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I vaguely remember learning about a name for the active site where replication was occuring. Isn't there a name for this region of splitting and replicating? Isn't there a sub-organelle or micro-organelle responsible for this?
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know which sentences should get references placed on them so it'd be nice if someone else marked which points should be referenced). Tell me what you think and maybe I can copy it over here and replace the current article.
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Rather than throw three different cases at the reader, we could talk about these common features. If the differences between eukaryote and eubacteria and archaea can be boiled down into a paragraph, this would be ideal.
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I have deleted eukaryotic and prokaryotic replication and put it on its separate pages. There is too many specific differences in theses two topics and I will try to fix the entire page, and organize it better. 03/06/07
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I maintain that the article needs to be cleaned up. I think that this question is, in a sense, a demonstration of problems in the current article being too "technical" rather than focusing on general mechanisms.
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You can not watch more than 10 min of Erics lectures without seeing something that should go in wikipedia. We might be getting a little too technical for wikipedia?? I wouldn't want anyone brain to explode.
1759:"If the 5' nucleotide needs to be removed during proofreading, the triphosphate end is lost. Hence, the energy source that usually provides energy to add a new nucleotide is also lost." With what effect? 138: 2050:
inaccuracies that need to be addressed. It's surprising to me how many this article has, given its importance and the number of eyes that have presumably been checking and verifying it over the years.
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This little animation from different angles should be helpful for those interested how DNA replication works. I think we should add this link since Drew Berry made an understandable animation here...--
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Hey I don't know who is writing this article, but I am in 11th grade and I didn't understand much from this, remember that a lot of people check this page and has to be understandable for everyone!--
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students, and for their sake, I feel that these articles should remain separate. If someone needs to go deeper, (as I did) it is easy enough to follow the link and skim the repetitious material. --
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46 linear chromosomes. Average chromosome length is not a particularly good reference as it varries considerably (spanning several orders of magnitude). I cleaned it up to reflect this fact.
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I have generated a short (52 seconds / 8.5 MB) clip showing the prime phases of DNA replication. Please make comments / suggestions as to any improvement. (Not suitable for dial-up lines) --
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This way someone could also develop the subsection "Dynamics at the replication fork", which is still somewhat lapidary and rather confusing (what are clamps necessary for? Sentences like
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I'm sorry, but I don't. Perhaps an expert with a talent for explaining difficult things in simple words could do this. Or we could remove it, if it is too technical for this article.
2432: 132: 1855: 2299: 1577:"As discussed at the beginning of this chapter, the fidelity of copying DNA during replication is such that only about 1 mistake is made for every 10^9 nucleotides copied." 781:
Additionally I think the different eukaryotic polymerases should be mentioned. They are very essential! I suggest copying some of the information from the wikipedia article
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context? I'm not well versed on the topic but am confused by the difference and cannot find much online - the article compounds this confusion by mixing the two terms
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Sorry for not having an account, but I figured my voice needed to be heard. I'm currently studying for midterms in my high school and this is on the biology test and I
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structured basic information on the topic as well to cater to both the average highschool student and college science majors. I think it's much more balanced now. -
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DNA can be synthesized in vitro in the laboratory by thermocyclic or isothermal reactions, these methods are called DNA amplification technologies, mainly include:
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5' after the proofreading step by activating the 5' phosphate with NAD+ or ATP (similar to how ligase works), but I think nature doesn't want to bother with that.
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Since there's been no movement on this, I'll remove the porposed merge tag. I think the topics are probably better as separate entities to simplify this page. —
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at a dead end. In the 5' to 3' direction energy comes from the nucleotide being added, so proofreading breaking the backbone doesn't remove the energy source.
1076:, which was vandalism, is not associated with any major changes to this article. Interestingly, the big changes have been introduced by one wikipedian, Joe ( 565:
I looked at this page while doing some homework for my high school biotechnology class and found that it was missing a lot of key information. For example:
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receives several; these several fragments of RNA primers found on the lagging strand of DNA are called Okazaki fragments, named after their discoverer."
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mention the purpose of cellular checkpoints in maintaining the integrity of DNA during S-phase (briefly while pointing out to a specific article later)
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In the wikipedia article it says: "DNA polymerases are generally extremely accurate, making less than one error for every million nucleotides added."
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04:48, 7 November 2006 (UTC) Changing the rating to "top" as this is high school/SAT biology topic and a central mechanism of molecular biology. -
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It's not that the current material is wrong, but it's way, way too technical. I've got biology background and my eyes just glaze over when I read:
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I may have failed the DNA unit in Biology, but when I was working on an assignment I got confused. Is this DNA replication or protein synthesis?
1094:. The two major edits include focusing more on the eucaryotic and prokaryotic sections at the expense of initiation, elongation and termination 2447: 266: 2457: 2234: 1920:. However not being a major contributor, it is mandatory for regular editors to be consulted prior to submission as I propose. Thoughts? -- 1831: 1221: 1198: 693: 182: 1644:
Do you mean "replication fork"? There's no specific organelle devoted to it - it happens wherever the DNA is lying around in the nucleus.
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That makes it less than an error in 1 billion nucleotides added, not 1 million. If people agree can we change it according to the source?
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I am suggesting that we add a picture found on the main DNA page, but not found here. The pic to be added to theis page is found here:
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If the triphosphates at each step are taken from the free nucleotides, not the polymerized strand, you don't get stuck in this way.
1001:. I think it makes most sense to merge it back into this article here. I'm not sure why it was separated out in the first place. - 575:
I would just edit the article, but this is from notes I took from my teachers lecture and I'm not sure whether or not to submit...
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I have that figure right here :) ... and that book. To add to the technicality, you could "technically" still polymerize 3'-: -->
2143:, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section. 613:
Umm. They don't even span a single order of magnitude - the smallest (21) is 47 megabases and the largest (1) is 245 megabases.
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Yes this seems like an important and awful article. I guess my first question is, what do we want it to be compared to, say,
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status, I will add those in my edits. If the previous sources could be converted to in-line references it would be great.
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I do not know how to add pics, so please can either someone tell me, or post a link to where i can learn how to myself on
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discuss similiarties between eukaryotic and archeal (and archeal - prokaryotic) DNA replication (evolutionary perspective)
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should be citable to an undergrad-level textbook, but probably would be a more enjoyable task without any time pressure.
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Very neat! I support replacing the lead image with this video, which is in line with Knowledge (XXG)'s approach to
1337:
looking at chapter 15 in DNA Replication 2nd ed (Kornberg & Baker) which lists some basic rules of replication:
833:, It is a bit complicated, so a SIMPLE summary section would be nice. I am doing DNA as part of my GCSEs in the UK. 2069: 1163: 292: 336: 1785: 1784:
If you understand now and can think of what to add/change to clarify this explanation, that would be great! --
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The article is generally scientifically correct, but it badly needs to be translated into plainer English. –
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are not really adding information. And so on), maybe because nobody dares to overload the article even more.
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contributing molecuels that are more favored for other reactions and thus less available the process. Watch
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Also, while most of the information does appear to be correct there are no refs given anywhere in the text!
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OK with me. Most of these talk comments date from years ago. This article has an uncomfortable number of
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on Knowledge (XXG). If you would like to participate, please visit the project page, where you can join
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It was previously mentioned in this discussion, but now that the same discussion in that other article
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stands elongate in 5' to 3' direction / replication is generally semidiscontinuous / okazaki fragments
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This article was the subject of a Wiki Education Foundation-supported course assignment, between
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This article was the subject of a Wiki Education Foundation-supported course assignment, between
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try to create ribopolymerase in the lab - a catalyst which acts as ribosome and polymerase ...
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After those two edits, from late Feb, most of the constructive edits have been relatively minor.
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synthesis via chemistry. What would be a good title for a page for that topic? Should it be at
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to this article might be ambiguous. Besides cellular DNA replication, there is also enzymatic
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I'm a Year 12 biology student, and I had heaps of trouble understanding much of this page. --
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and could conveniently be redirected directly to that section. Thus, there's no use reading
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article general and have the specifics for pro- and eukaryotes in those other articles? -
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Or you could just look at this picture from Alberts et al. Molecular Biology of the Cell.
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http://ocw.mit.edu/courses/biology/7-012-introduction-to-biology-fall-2004/video-lectures/
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Can I ask Miza bot to archive this talk page? The how-to page says get consensus first...
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The following Wikimedia Commons file used on this page has been nominated for deletion:
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Last edited at 03:40, 19 February 2007 (UTC). Substituted at 12:40, 29 April 2016 (UTC)
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referneces the article should go for GA status. Let me know if you need any help.
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DNA transcription will be unnecessarily confused by unclear parts in this article.
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version of the page, but I doubt it'll go into enough detail for 11th grade. --
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since this all makes pretty good sense to me... but I have years of training.
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Overall, This article is very interesting and the sources are good . Fatin
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seems to be the stronger article. It also seems to be 5 years newer then
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Shouldn't "ozaki fragments" in the picture (png) be "okazaki fragments"?
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File size minimised to 1.11 MB to reduce problems at load and view. --
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As a student, I find that having separate entries is extremely useful.
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Looking at the histories more closely, I now see that the creation of
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Knowledge (XXG) level-4 vital articles in Biology and health sciences
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replication continues uni or bi-directionally along replication forks
2254:. And the DNA gyrase page also says that helicase unwinds the DNA. 628:
If anyone knows it would probably be worth putting in the article.
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for me. I am so grateful, thank you. USMLE Step 1 here I come!
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Perhaps a section about how DNA is synthesized in the laboratory?
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add information relating to D-loop DNA replication of mitochondria
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A Commons file used on this page has been nominated for deletion
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No one said anything so I replaced the article with my version.
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article, the close attention and scrutiny will be good for it.
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initiation occurs at specific sequences in DNA, called origins
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Knowledge (XXG) vital articles in Biology and health sciences
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http://www.wehi.edu.au/education/wehi-tv/dna/replication.html
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also, if someone has more/better ideas, change stuff around!
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helicase is nearly always necessary for progress of the fork
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Clamp-loading proteins are used to initially load the clamp
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disambiguate for automated DNA (oligonucleotide) synthesis
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without getting it in its context is also inefficient.
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Based on previous comments, it appears the redirect of
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I will make further changes/addition in upcoming days.
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after reading this article, and starting with reading
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Why can DNA only be replicated in the 5 - 3 direction?
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B-Class vital articles in Biology and health sciences
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Pro- and eukaryotic DNA replication - split or merge?
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Wiki Education Foundation-supported course assignment
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Something is going on with helicase and topisomerase
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The former content of this article appears to be at
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WikiProject Molecular and Cellular Biology articles
1318:in-line references. Since those are preferred for 490:(3) LAMP: loop-mediated isothermal amplification, 285:clarification and translation into plainer English 137:This article has not yet received a rating on the 1830:reading the first few paragraphs of the article. 1097:and the addition of a new section on telomerase. 2139:, and are posted here for posterity. Following 504:(5) EXPAR: Exponential amplification reaction, 2298:Participate in the deletion discussion at the 677:Also: The asymmetery of the promoter sequence 2433:Unknown-importance Molecular Biology articles 2340:Wiki Education assignment: Molecular Genetics 2133:The comment(s) below were originally left at 1916:I believe the article is good enough to be a 288:cleanup of eukaryotic DNA replication section 117:Knowledge (XXG):WikiProject Molecular Biology 8: 476:(1) SDA: Strand Displacement Amplification, 308:include information on viral DNA replication 2252:https://www.ncbi.nlm.nih.gov/pubmed/1657531 1574:But according to one of the sources cited: 818:http://en.wikipedia.org/Image:Dna-split.png 497:(4) HDA: helicase-dependent amplification, 2259: 2220: 2193: 1733:need this. Please keep and don't merge :) 58: 2007:RNA primer addition on the lagging strand 1214:now we should have a more complete page. 414:Template:Dashboard.wikiedu.org assignment 178:the Molecular and Cell Biology task force 1514:a draft of a new version of this article 2468:All WikiProject Molecular Biology pages 2072:? I have a elementary understanding of 1356:short fragments of RNA serve as primers 483:(2) RCA: Rolling circle amplification, 412:Above undated message substituted from 60: 19: 2473:Knowledge (XXG) pages with to-do lists 2403:Knowledge (XXG) level-4 vital articles 2200:2A02:587:4109:4C00:1819:DEC2:D0BC:9571 2188:Ribopolymerase and the origins of life 369:MCB Collaboration of the Month history 120:Template:WikiProject Molecular Biology 1821:Recommend link to existing Wiki topic 1752:We have a few unclear sentences here 7: 2443:Unknown-importance Genetics articles 1672:DNA replication#The replication fork 1425:pushed away to separate articles. - 1298:and added a disambiguation page for 1033:Other candidates for merges include 450:(1) PCR: Polymerase Chain Reaction, 97:This article is within the scope of 2256:https://en.wikipedia.org/DNA_gyrase 49:It is of interest to the following 2428:B-Class Molecular Biology articles 2354: 2350: 552:Easy to break, even easier to fix? 393: 389: 14: 2141:several discussions in past years 829:Just a quick note - I agree with 2357:. Further details are available 2344: 2104:, which are not really helpful. 548:rolling circle rep include also 457:(2) LCR: Ligase Chain Reaction, 396:. Further details are available 383: 352: 256: 206: 90: 62: 29: 20: 1508:Draft of new version of article 2413:B-Class level-4 vital articles 2095:Merge from Replication fork II 1813:19:49, 22 September 2009 (UTC) 843:21:23, 16 September 2006 (UTC) 362:MCB Collaboration of the Month 282:add some structure/subheadings 1: 2448:WikiProject Genetics articles 2383:11:29, 13 December 2023 (UTC) 2373:— Assignment last updated by 2183:04:20, 9 September 2018 (UTC) 2163:03:40, 19 February 2007 (UTC) 2136:Talk:DNA replication/Comments 2002:12:54, 19 December 2012 (UTC) 1970:05:32, 14 December 2012 (UTC) 1956:02:13, 14 December 2012 (UTC) 1941:00:39, 14 December 2012 (UTC) 1925:14:00, 13 December 2012 (UTC) 1906:04:17, 19 November 2010 (UTC) 1886:20:00, 14 November 2010 (UTC) 1840:11:12, 6 September 2010 (UTC) 1795:16:31, 4 September 2009 (UTC) 1772:14:38, 4 September 2009 (UTC) 1725:16:41, 18 November 2010 (UTC) 1502:15:17, 13 November 2011 (UTC) 1464:20:41, 19 February 2008 (UTC) 988:10:38, 30 December 2006 (UTC) 970:13:43, 16 February 2007 (UTC) 950:13:12, 20 December 2006 (UTC) 812:New link to pic and agreement 751:08:50, 25 February 2009 (UTC) 175:This article is supported by 155:This article is supported by 111:and see a list of open tasks. 100:WikiProject Molecular Biology 1872:08:05, 4 November 2010 (UTC) 1743:16:12, 18 January 2011 (UTC) 1618:09:08, 4 November 2008 (UTC) 924:22:25, 6 December 2006 (UTC) 888:13:15, 18 October 2006 (UTC) 875:13:13, 18 October 2006 (UTC) 864:00:43, 10 October 2006 (UTC) 426:18:57, 16 January 2022 (UTC) 2458:Top-importance MCB articles 2278:00:07, 24 August 2018 (UTC) 2208:00:14, 29 August 2016 (UTC) 1602:13:08, 22 August 2008 (UTC) 1446:21:25, 6 October 2007 (UTC) 1419:20:54, 6 October 2007 (UTC) 1332:Focus on common mechanisms? 1294:I've created an article at 1160:prokaryotic DNA replication 1149:22:48, 8 October 2007 (UTC) 967:-- I like traffic lights -- 807:10:36, 20 August 2006 (UTC) 522:01:21, 24 August 2011 (UTC) 364:for the month of July 2007. 339:of this article appears in 2489: 2239:14:12, 28 April 2018 (UTC) 2214:Replication vs Duplication 2123:17:45, 21 March 2016 (UTC) 2087:23:57, 21 April 2013 (UTC) 2070:Eukaryotic DNA replication 2066:Prokaryotic DNA repication 2060:23:13, 21 April 2013 (UTC) 2041:18:21, 20 April 2013 (UTC) 2022:18:20, 20 April 2013 (UTC) 1653:21:53, 24 April 2009 (UTC) 1639:21:12, 24 April 2009 (UTC) 1512:I've finally put together 1480:21:08, 24 April 2009 (UTC) 1404:20:37, 1 August 2007 (UTC) 1382:20:25, 1 August 2007 (UTC) 1307:17:35, 14 April 2007 (UTC) 1164:eukaryotic DNA replication 1010:I support the merge, Also 793:01:38, 2 August 2006 (UTC) 773:Prokaryotes and Eukaryotes 767:00:05, 5 August 2007 (UTC) 618:17:30, 8 August 2006 (UTC) 595:00:57, 6 August 2006 (UTC) 435:or automated DNA Synthesis 367:For more details, see the 293:rolling circle replication 123:Molecular Biology articles 2438:B-Class Genetics articles 2148: 1567:DNA replication accuracy? 1559:02:28, 6 March 2008 (UTC) 1544:01:56, 6 March 2008 (UTC) 1528:19:16, 3 March 2008 (UTC) 1470:I disagree. I love it. 1327:18:18, 13 July 2007 (UTC) 1296:oligonucleotide synthesis 1289:19:49, 8 March 2007 (UTC) 1282:Oligonucleotide synthesis 1270:Polymerase chain reaction 1256:DNA synthesis - disambig? 1244:14:14, 9 March 2007 (UTC) 1230:11:02, 9 March 2007 (UTC) 1207:09:18, 9 March 2007 (UTC) 1186:20:36, 8 March 2007 (UTC) 1172:19:43, 8 March 2007 (UTC) 1135:17:07, 17 July 2007 (UTC) 1121:00:56, 9 March 2007 (UTC) 1111:21:06, 8 March 2007 (UTC) 1068:20:40, 8 March 2007 (UTC) 1050:19:34, 8 March 2007 (UTC) 1029:19:32, 8 March 2007 (UTC) 1006:19:24, 8 March 2007 (UTC) 174: 154: 136: 85: 57: 2335:18:21, 2 June 2021 (UTC) 2312:07:53, 14 May 2019 (UTC) 1707:03:54, 6 June 2010 (UTC) 1692:18:54, 21 May 2009 (UTC) 1631:Stephen Charles Thompson 1472:Stephen Charles Thompson 696:) 21:24, 16 October 2006 586:8:05, 17 Feb 2005 (UTC) 1992:Boring, but necessary. 446:Thermocycling reactions 298:include information on 158:the Genetics task force 2398:B-Class vital articles 2293:DNA replication en.svg 2125:Marco Pagliero Berlin 2052:Stigmatella aurantiaca 1962:Stigmatella aurantiaca 1933:Stigmatella aurantiaca 1859: 1452:Simple Knowledge (XXG) 727:) 20:35, 4 August 2007 295:in prokaryotic section 279:add references/sources 171: 151: 2361:. Student editor(s): 1858: 1668:Talk:Replication fork 1220:comment was added by 1197:comment was added by 976:DNA replication video 910:comment was added by 647:) 22:13, 7 April 2006 400:. Student editor(s): 360:This article was the 300:origin of replication 170: 150: 43:on Knowledge (XXG)'s 36:level-4 vital article 2453:B-Class MCB articles 2321:Last sentence under 1624:Name of Active Site? 472:Isothermal reactions 2317:Ambiguous language- 672:) 15:09, 1 May 2006 2359:on the course page 2304:Community Tech bot 2129:Assessment comment 1878:Cookatoo.ergo.ZooM 1864:Cookatoo.ergo.ZooM 1860: 947:Svetlana Miljkovic 404:. Peer reviewers: 398:on the course page 246:Updated 2007-03-12 172: 152: 45:content assessment 2280: 2264:comment added by 2241: 2225:comment added by 2210: 2198:comment added by 2168: 2167: 2027:Talk page archive 1856: 1748:Unclear sentences 1604: 1588:comment added by 1492:comment added by 1443: 1268:DNA replication ( 1233: 1210: 927: 729: 715:comment added by 698: 684:comment added by 674: 660:comment added by 649: 635:comment added by 376: 375: 347: 346: 328: 327: 276: 275: 197: 196: 193: 192: 189: 188: 114:Molecular Biology 105:Molecular Biology 70:Molecular Biology 2480: 2385: 2367:article contribs 2356: 2355:15 December 2023 2352: 2348: 2146: 2145: 2138: 1857: 1684:Mikael Häggström 1680:Replication fork 1676:Replication fork 1661:Replication fork 1583: 1504: 1441: 1438: 1431: 1401: 1394: 1341:semiconservative 1215: 1192: 1158:The sections on 1035:replication fork 1025: 1022: 905: 899:Bidirectionality 798:Too Complicated! 728: 709: 697: 678: 673: 654: 648: 629: 428: 395: 394:18 December 2020 391: 390:1 September 2020 387: 356: 349: 330: 269:for this page 260: 253: 252: 247: 210: 209: 199: 139:importance scale 125: 124: 121: 118: 115: 94: 87: 86: 81: 66: 59: 42: 33: 32: 25: 24: 16: 2488: 2487: 2483: 2482: 2481: 2479: 2478: 2477: 2388: 2387: 2372: 2342: 2319: 2300:nomination page 2286: 2247: 2216: 2190: 2134: 2131: 2097: 2074:DNA replication 2029: 2009: 1982: 1914: 1912:WP:GA Candidate 1850: 1848: 1842:introspectacle 1823: 1750: 1722: 1664: 1626: 1569: 1510: 1487: 1434: 1427: 1412: 1397: 1390: 1334: 1315: 1258: 1216:—The preceding 1193:—The preceding 1156: 1031: 1023: 1020: 1016:DNA replication 995: 978: 968: 933: 906:—The preceding 901: 850: 831:218.215.130.252 814: 804:218.215.130.252 800: 783:DNA polymerases 775: 710: 679: 655: 630: 626: 602: 563: 554: 543: 529: 527:recently edited 485:Nature Genetics 437: 411: 381: 372: 324: 323: 304:DNA polymerases 272: 221: 217:DNA replication 207: 122: 119: 116: 113: 112: 72: 40: 30: 12: 11: 5: 2486: 2484: 2476: 2475: 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994: 993:Proposed merge 991: 977: 974: 973: 972: 966: 932: 929: 900: 897: 895: 893: 892: 891: 890: 878: 877: 849: 846: 813: 810: 799: 796: 774: 771: 770: 769: 753: 738: 686:83.100.173.204 625: 622: 621: 620: 608: 601: 598: 577: 562: 559: 553: 550: 542: 539: 535: 528: 525: 511: 436: 430: 380: 377: 374: 373: 366: 357: 345: 344: 333: 326: 325: 322: 321: 318: 315: 312: 309: 306: 296: 289: 286: 283: 280: 274: 273: 271: 264: 262: 261: 249: 204: 202: 195: 194: 191: 190: 187: 186: 183:Top-importance 173: 163: 162: 153: 143: 142: 135: 129: 128: 126: 109:the discussion 95: 83: 82: 67: 55: 54: 48: 26: 13: 10: 9: 6: 4: 3: 2: 2485: 2474: 2471: 2469: 2466: 2464: 2461: 2459: 2456: 2454: 2451: 2449: 2446: 2444: 2441: 2439: 2436: 2434: 2431: 2429: 2426: 2424: 2421: 2419: 2416: 2414: 2411: 2409: 2406: 2404: 2401: 2399: 2396: 2395: 2393: 2386: 2384: 2380: 2376: 2370: 2368: 2364: 2360: 2347: 2339: 2337: 2336: 2332: 2328: 2324: 2316: 2314: 2313: 2309: 2305: 2301: 2294: 2291: 2290: 2289: 2283: 2281: 2279: 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Puppy 743:Jimhsu77479 711:—Preceding 680:—Preceding 656:—Preceding 631:—Preceding 541:The Picture 2392:Categories 2175:Fatin Hamd 1846:Video clip 912:Wolingfeng 561:More info? 406:Allanhomes 213:To-do list 2363:Bhavani36 2266:RotundCat 2151:Clockwork 1805:Debresser 1786:Madeleine 1764:Debresser 1551:Biomedeng 1535:Madeleine 1519:Madeleine 1373:Madeleine 758:Madeleine 600:Quick Fix 402:Sthomas10 39:is rated 2274:contribs 2262:unsigned 2235:contribs 2223:unsigned 2196:unsigned 2160:tameeria 1893:boldness 1598:contribs 1590:Medfreak 1586:unsigned 1490:unsigned 1304:tameeria 1286:tameeria 1266:in vitro 1241:tameeria 1218:unsigned 1195:unsigned 1180:David D. 1169:tameeria 1118:tameeria 1105:David D. 1088:contribs 1062:David D. 1047:tameeria 1003:tameeria 985:Artman40 945:thanks, 931:Feedback 920:contribs 908:unsigned 857:Falconus 725:contribs 713:unsigned 694:contribs 682:unsigned 670:contribs 658:unsigned 645:contribs 633:unsigned 557:wonder? 466:PLoS One 433:In vitro 418:PrimeBOT 291:include 75:Genetics 2327:Eaberry 2048:current 1985:away. 1922:HarshAJ 1324:Sakkura 1274:de-novo 836:Thanks 508:, 2003 501:, 2004 494:, 2000 468:, 2010 452:Science 337:summary 241:refresh 229:history 41:B-class 1948:Sasata 1731:really 1183:(Talk) 1145:tizzle 1108:(Talk) 1065:(Talk) 1041:, and 848:Expert 487:,1998 480:,1992 461:,1991 454:,1985 47:scale. 1646:Graft 1611:Graft 1442:(Rev) 1141:Scien 1024:plant 1021:Leafy 615:Graft 235:watch 28:This 2379:talk 2353:and 2331:talk 2308:talk 2270:talk 2231:talk 2204:talk 2179:talk 2155:Soul 2119:talk 2083:talk 2068:and 2056:talk 2037:talk 2018:talk 1998:talk 1966:talk 1952:talk 1937:talk 1902:talk 1882:talk 1868:talk 1836:talk 1809:talk 1768:talk 1739:talk 1703:talk 1688:talk 1650:talk 1635:talk 1615:talk 1594:talk 1555:talk 1498:talk 1476:talk 1460:talk 1456:Gwib 1436:Oars 1399:Oars 1284:? - 1226:talk 1203:talk 1162:and 1092:here 1082:talk 964:Talk 916:talk 861:Talk 747:talk 721:talk 690:talk 666:talk 641:talk 518:talk 506:PNAS 478:PNAS 459:PNAS 422:talk 392:and 302:and 223:edit 215:for 2369:). 2302:. — 2107:WP. 1898:Emw 1716:taj 1429:Two 1392:Two 1103:. 959:Erk 492:NAR 416:by 341:DNA 133:??? 79:MCB 2394:: 2381:) 2333:) 2310:) 2276:) 2272:• 2237:) 2233:• 2206:) 2181:) 2121:) 2085:) 2058:) 2039:) 2020:) 2000:) 1968:) 1954:) 1939:) 1904:) 1884:) 1870:) 1838:) 1811:) 1770:) 1741:) 1712:-- 1705:) 1690:) 1648:| 1637:) 1613:| 1600:) 1596:• 1557:) 1500:) 1478:) 1462:) 1228:) 1205:) 1037:, 922:) 918:• 855:-- 826:. 788:-- 785:. 749:) 723:• 692:• 668:• 643:• 520:) 512:-- 424:) 408:. 335:A 185:). 77:/ 73:: 2377:( 2365:( 2329:( 2306:( 2268:( 2229:( 2202:( 2177:( 2117:( 2081:( 2054:( 2035:( 2016:( 1996:( 1964:( 1950:( 1935:( 1900:( 1880:( 1866:( 1834:( 1807:( 1792:✍ 1789:✉ 1766:( 1737:( 1720:t 1714:~ 1701:( 1686:( 1633:( 1592:( 1553:( 1541:✍ 1538:✉ 1525:✍ 1522:✉ 1496:( 1474:( 1458:( 1379:✍ 1376:✉ 1232:. 1224:( 1209:. 1201:( 1085:· 1080:( 962:| 926:. 914:( 859:| 764:✍ 761:✉ 745:( 719:( 688:( 664:( 639:( 516:( 420:( 371:. 343:. 244:· 238:· 232:· 226:· 219:: 161:. 141:. 53::

Index


level-4 vital article
content assessment
WikiProjects
WikiProject icon
Molecular Biology
Genetics
MCB
WikiProject icon
WikiProject Molecular Biology
Molecular Biology
the discussion
???
importance scale
Taskforce icon
the Genetics task force
Taskforce icon
the Molecular and Cell Biology task force
Top-importance
To-do list
DNA replication
edit
history
watch
refresh

active tasks
rolling circle replication
origin of replication
DNA polymerases

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