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range for survival was measured from 5.9 to 7.7 with an optimum of 7.5. The G + C content measured was approximately 52% in the 1992 description but has been measured around 70% since that time. The original description also noted that organisms of the same species isolated from different
603:
Rominus, Ron (March 2001). "Sequencing, high-level expression and phylogeny of the pyrophosphate-dependent phosphofructokinase from the thermophilic spirochete
Spirochaeta thermophila".
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340:. This was an interesting revelation because it was previously assumed that the thermophilic, free-living spirochaetes gave rise to all extant spirochaetes.
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aquatic habitats of various ponds, lakes, rivers, and oceans. This organism is identified as a new species based on its unique ability to degrade
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of glycolysis with the exception of one step. The phosphorylation of fructose-6-phosphate mediates the production of
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466:"Spirochaeta thermophila sp. nov., an Obligately Anaerobic, Polysaccharolytic, Extremely Thermophilic Bacterium"
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366:"Genome Sequence of the Polysaccharide-Degrading, Thermophilic Anaerobe Spirochaeta thermophila DSM 6192"
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The PPi-dependent phosphofrucktokinase sequences are only available from three organisms in the
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is produced. AMP drives the production of PPi production for the step that is changed in the
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and described in
Aksenova, et al. It has been isolated in the sediments and water columns of
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environments could have different optimum temperatures, optimum pH for growth, and optimum
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species. It is suggested that this different product could be a regulatory mechanism for
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312:. Comparing the sequences, in a 2001 study by Rominus et al., it was determined that
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422:"Molecular diversity of thermophilic cellulolytic and hemicellulolytic bacteria"
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201:-matter around it but there has been little work on the characterization of the
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arose from a common ancestor between them and B. burgdorferi that was a
269:-dependent phosphofrucktokinase. This appears to be a characteristic of
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The original description depicts single, helical, .2-.25 μm by 16-50 μm
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processes; with low levels of the ATP-dependent molecule,
510:"Glucose Catabolism by Spirochaeta thermophila RI 19.B1"
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with an optimum range between 66° and 68 °C. The
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for this sequence and the sister to those groups was
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559:"Xylanolytic Activities of Spirochaeta thermophila"
165:order. The type species was discovered in 1992 in
508:Janssen, Peter H.; Morgan, Hugh W. (April 1992).
464:Aksenova, Helena Yu; et al. (January 1992).
470:International Journal of Systematic Bacteriology
420:Bergquist, Peter L.; et al. (July 1998).
364:Angelov, Angel; et al. (December 2010).
149:is a fairly recently discovered free-living,
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666:- the Bacterial Diversity Metadatabase
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253:The fermentation process is the same
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245:in which the organism is living.
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526:10.1128/jb.174.8.2449-2453.1992
255:Embden-Meyerhof-Parnas pathway
1:
316:was most closely related to
249:Glucose fermentation pathway
193:. It is presumed to secrete
557:Hespell, Robert B. (1994).
324:. This analysis showed the
261:-dependent (PPi-dependent)
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833:Bacteria described in 1992
157:that seems to be the most
483:10.1099/00207713-42-1-175
426:FEMS Microbiology Ecology
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32:Scientific classification
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23:
605:Archives of Microbiology
189:source by encoding many
779:spirochaeta-thermophila
685:Spirochaeta thermophila
660:Spirochaeta thermophila
514:Journal of Bacteriology
370:Journal of Bacteriology
298:Spirochaeta thermophila
271:Spirochaeta thermophila
225:is between 40° and 73°
223:Spirochaeta thermophila
146:Spirochaeta thermophila
131:Spirochaeta thermophila
25:Spirochaeta thermophila
221:range for survival of
205:responsible for this.
625:10.1007/s002030100265
265:instead of the usual
563:Current Microbiology
303:Borrelia burgdorferi
263:phosphofrucktokinase
209:Original description
191:glycoside hydrolases
16:Species of bacterium
617:2001ArMic.175..308R
382:10.1128/JB.01023-10
273:not found in other
113:S. thermophila
575:10.1007/BF01570227
309:Treponema pallidum
815:
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800:Open Tree of Life
677:Taxon identifiers
376:(24): 6492–6493.
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652:External links
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611:(4): 308–312.
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569:(6): 343–347.
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330:S. thermophila
314:S. thermophila
294:Spirochaetales
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239:concentrations
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197:to break down
163:Spirochaetales
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137:Aksenova 1992
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122:Binomial name
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159:thermophilic
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69:Spirochaetia
24:
18:
476:: 175–177.
334:T. pallidum
326:thermophily
318:T. pallidum
275:Spirochaeta
243:environment
219:temperature
217:cells. The
155:spirochaete
100:Spirochaeta
822:Categories
344:References
287:glycolysis
195:cellulases
700:Q22286485
338:mesophile
289:pathway.
279:catabolic
179:cellulose
151:anaerobic
107:Species:
753:10522439
694:Wikidata
641:13550205
633:11382227
583:24239152
400:20935097
175:brackish
85:Family:
55:Phylum:
49:Bacteria
45:Domain:
740:5428193
709:BacDive
613:Bibcode
544:1556064
391:3008529
296:order:
203:enzymes
161:of the
95:Genus:
75:Order:
65:Class:
766:966244
662:at Bac
639:
631:
581:
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535:205880
532:
398:
388:
306:, and
236:saline
187:carbon
171:Russia
805:75392
748:IRMNG
727:6ZB5Q
714:14323
637:S2CID
579:S2CID
199:plant
183:xylan
787:NCBI
774:LPSN
761:ITIS
735:GBIF
664:Dive
629:PMID
540:PMID
396:PMID
332:and
792:154
722:CoL
621:doi
609:175
571:doi
530:PMC
522:doi
518:174
478:doi
434:doi
386:PMC
378:doi
374:192
328:of
283:AMP
267:ATP
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591:^
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492:^
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448:^
430:28
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408:^
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352:^
300:,
231:pH
181:,
169:,
153:,
643:.
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486:.
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442:.
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227:C
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