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129:
31:
261:
The
Polycomb gene FIE is expressed (blue) in unfertilised egg cells of the moss Physcomitrella patens (right) and expression ceases after fertilisation in the developing diploid sporophyte (left). In situ GUS staining of two female sex organs (archegonia) of a transgenic plant expressing a
1375:
1380:
202:
because the megagametophyte is reduced to just a few cells, one of which differentiates into the egg cell. The function of surrounding the gamete is assumed in large part by
1513:
250:, Nir Ohad (2009): Regulation of stem cell maintenance by the Polycomb protein FIE has been conserved during land plant evolution. Development 136, 2433-2444.
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81:. The archegonium has a long neck canal or venter and a swollen base. Archegonia are typically located on the surface of the plant
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are delivered by wind or animal vectors and the sperm are delivered by means of a
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is inactivated (the blue colour is no longer visible, left) in the young embryo.
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Organ of the gametophyte of certain plants, producing and containing the ovum
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translational fusion of FIE-uidA under control of the native FIE promoter.
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150:, archegonia are not embedded but are located on top of the leafy
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Gene expression pattern determined by histochemical GUS assays in
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They are much-reduced and embedded in the megagametophytes of
246:
Assaf
Mosquna, Aviva Katz, Eva L. Decker, Stefan A. Rensing,
109:
reach the archegonium by swimming in water films, whereas in
61:("offspring"), is a multicellular structure or organ of the
310:
265:"Development -- About the Cover (July 2009, 136, (14))"
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158:protein FIE is expressed in the unfertilized
77:. The corresponding male organ is called the
8:
1432:International Association for Plant Taxonomy
533:
333:
319:
311:
1376:International Code of Nomenclature (ICN)
239:
7:
222:have their archegonium formed after
43:
25:
1381:ICN for Cultivated Plants (ICNCP)
162:(right) as the blue colour after
1544:
1543:
69:, producing and containing the
34:Diagram of archegonium anatomy
1:
1422:History of plant systematics
1009:Thorns, spines, and prickles
186:. The term is not used for
1596:
1238:Alternation of generations
1539:
1388:Cultivated plant taxonomy
1351:Biological classification
348:
290:"Brooklyn Botanic Garden"
1248:Evolutionary development
899:Hypanthium (Floral cup)
1514:by author abbreviation
1438:Plant taxonomy systems
1356:Botanical nomenclature
138:
35:
1521:Botanical expeditions
147:Physcomitrella patens
135:Physcomitrella patens
131:
33:
1253:Evolutionary history
1243:Double fertilization
1095:Cellular respiration
166:reveals. Soon after
472:Non-vascular plants
190:or the gnetophytes
89:they are embedded.
1580:Plant reproduction
977:Surface structures
772:Flower development
139:
85:, although in the
57:("beginning") and
36:
1557:
1556:
1196:Herbaceous plants
1022:
1021:
154:(s. Figure). The
65:phase of certain
16:(Redirected from
1587:
1547:
1546:
1526:Individual trees
1201:Secondary growth
1172:Succulent plants
1160:Prostrate shrubs
1043:Apical dominance
1028:Plant physiology
989:Epicuticular wax
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527:
518:Plant morphology
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292:. Archived from
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267:. Archived from
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230:(megastrobili).
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1504:Botanical terms
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1393:Citrus taxonomy
1371:Author citation
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1122:Turgor pressure
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787:Floral symmetry
705:
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616:Vascular bundle
611:Vascular tissue
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477:Vascular plants
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438:Plant pathology
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1494:Related topics
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1443:Taxonomic rank
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1343:Plant taxonomy
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1319:Megasporangium
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1307:Microsporangia
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1145:Cushion plants
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1080:Plant hormones
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1063:Photosynthesis
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782:Floral formula
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777:Floral diagram
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606:Storage organs
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492:Spermatophytes
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462:Archaeplastida
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416:Phytogeography
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411:Phytochemistry
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368:Subdisciplines
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226:inside female
208:megasporangium
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1570:Plant anatomy
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1479:Phytochemical
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1117:Transpiration
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904:Inflorescence
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592:
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589:Ground tissue
587:
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554:
552:
549:
547:
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543:
541:
539:
535:
532:
525:
519:
516:
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513:
512:Plant anatomy
509:
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500:
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485:
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478:
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473:
470:
468:
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452:
449:
445:
439:
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434:
433:Plant ecology
431:
429:
428:Plant anatomy
426:
422:
419:
418:
417:
414:
412:
409:
407:
404:
402:
399:
397:
394:
392:
389:
387:
384:
382:
379:
377:
376:Archaeobotany
374:
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359:
356:
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336:
331:
329:
324:
322:
317:
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313:
296:on 2009-10-27
295:
291:
285:
282:
271:on 2009-06-26
270:
266:
258:
255:
252:
249:
243:
240:
233:
231:
229:
228:conifer cones
225:
221:
217:
214:) inside the
213:
209:
206:cells of the
205:
201:
200:
195:
194:
189:
185:
177:
175:
173:
169:
168:fertilisation
165:
161:
157:
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100:
92:
90:
88:
84:
80:
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72:
68:
64:
60:
56:
53:
52:Ancient Greek
49:
41:
32:
19:
1474:Horticulture
1464:Floriculture
1366:Correct name
1216:Reproduction
1206:Woody plants
1131:Plant growth
1090:Gas Exchange
1075:Phytomelanin
953:Plant embryo
712:
703:Reproductive
551:Phragmoplast
298:. Retrieved
294:the original
284:
273:. Retrieved
269:the original
257:
242:
197:
191:
181:
164:GUS staining
145:
140:
133:
96:
58:
54:
50:), from the
47:
39:
37:
1575:Gymnosperms
1290:Pollen tube
1285:Pollinators
1275:Pollination
1270:Germination
1085:Respiration
1068:Chlorophyll
914:Pedicellate
848:Gametophyte
767:Aestivation
718:Antheridium
713:Archegonium
561:Plasmodesma
538:Plant cells
401:Paleobotany
396:Ethnobotany
381:Astrobotany
224:pollination
220:Gymnosperms
199:Welwitschia
188:angiosperms
184:gymnosperms
178:Gymnosperms
152:gametophore
123:pollen tube
115:angiosperms
79:antheridium
63:gametophyte
40:archegonium
1564:Categories
1312:Microspore
1302:Sporangium
1280:Artificial
968:Sporophyte
963:Sporophyll
958:Receptacle
853:Gynandrium
723:Androecium
632:Vegetative
502:Angiosperm
497:Gymnosperm
391:Dendrology
300:2008-02-09
275:2009-07-03
248:Ralf Reski
234:References
103:cryptogams
101:and other
99:bryophytes
93:Bryophytes
73:or female
48:archegonia
18:Archegonia
1509:Botanists
1427:Herbarium
1324:Megaspore
1222:Evolution
1165:Subshrubs
1133:and habit
1058:Nutrition
1053:Cellulose
1048:Bulk flow
1031:Materials
994:Epidermis
858:Gynoecium
839:Endosperm
834:Dispersal
750:Staminode
686:Sessility
674:Cataphyll
594:Mesophyll
546:Cell wall
487:Lycophyte
467:Bryophyte
421:Geobotany
406:Phycology
111:Pinophyta
87:hornworts
1549:Category
1469:Forestry
1459:Agronomy
1452:Practice
1403:Cultivar
1398:Cultigen
1258:timeline
1150:Rosettes
1038:Aleurone
1014:Trichome
931:Perianth
743:Filament
601:Meristem
524:glossary
386:Bryology
212:nucellus
172:FIE gene
160:egg cell
156:Polycomb
1227:Ecology
984:Cuticle
814:Capsule
804:Anatomy
755:Tapetum
679:Petiole
654:Rhizome
649:Rhizoid
576:Tissues
566:Vacuole
556:Plastid
358:Outline
353:History
204:diploid
141:In the
83:thallus
1531:Plants
1434:(IAPT)
1187:Lianas
1155:Shrubs
1107:Starch
999:Nectar
919:Raceme
885:Stigma
873:Locule
863:Carpel
824:Pyrena
762:Flower
738:Anther
733:Stamen
728:Pollen
450:groups
342:Botany
193:Gnetum
170:, the
119:pollen
117:, the
75:gamete
67:plants
1491:Lists
1408:Group
1331:Spore
1265:Flora
1182:Vines
1177:Trees
1140:Habit
1112:Sugar
1004:Stoma
946:Sepal
941:Petal
936:Tepal
924:Umbel
909:Bract
890:Style
878:Ovule
868:Ovary
809:Berry
799:Fruit
792:Whorl
659:Shoot
457:Algae
448:Plant
216:ovule
107:sperm
59:γόνος
1413:Grex
1295:Self
829:Seed
691:Stem
669:Leaf
644:Root
639:Bulb
623:Wood
584:Cork
482:Fern
196:and
143:moss
113:and
71:ovum
55:ἀρχή
1102:Sap
819:Nut
664:Bud
97:In
44:pl.
38:An
1566::
218:.
125:.
105:,
46::
526:)
522:(
334:e
327:t
320:v
303:.
278:.
210:(
42:(
20:)
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