Knowledge (XXG)

Archegonium

Source 📝

1545: 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. 1431: 1247: 289: 264: 1437: 81:. The archegonium has a long neck canal or venter and a swollen base. Archegonia are typically located on the surface of the plant 332: 771: 1252: 702: 1421: 1008: 523: 1579: 1503: 1257: 1237: 1387: 1525: 1370: 420: 1569: 1355: 1279: 1520: 146: 134: 1574: 1242: 1094: 766: 325: 1412: 957: 163: 1350: 1215: 1084: 993: 685: 471: 367: 293: 268: 1508: 357: 352: 171: 1294: 1200: 1195: 1149: 1042: 1027: 988: 913: 754: 678: 575: 517: 1548: 1530: 1392: 1221: 1171: 1159: 1139: 1121: 1057: 884: 852: 813: 786: 615: 610: 501: 437: 318: 251: 1442: 1407: 1360: 1342: 1306: 1062: 889: 867: 833: 808: 791: 781: 776: 658: 476: 461: 415: 410: 207: 1563: 1478: 1226: 1144: 1116: 1079: 1047: 983: 903: 803: 605: 588: 511: 491: 432: 427: 375: 167: 51: 1473: 1463: 1365: 1089: 1074: 583: 550: 227: 121:
are delivered by wind or animal vectors and the sperm are delivered by means of a
174:
is inactivated (the blue colour is no longer visible, left) in the young embryo.
1289: 1274: 1269: 1205: 1067: 847: 818: 717: 560: 400: 395: 380: 223: 219: 198: 151: 122: 114: 78: 62: 1318: 1311: 1301: 1284: 967: 962: 898: 690: 537: 496: 390: 247: 187: 183: 98: 27:
Organ of the gametophyte of certain plants, producing and containing the ovum
1426: 1323: 1052: 857: 838: 749: 673: 545: 486: 466: 405: 110: 102: 262:
translational fusion of FIE-uidA under control of the native FIE promoter.
17: 1468: 1458: 1402: 1397: 1164: 1037: 1013: 930: 600: 385: 211: 159: 155: 86: 30: 653: 648: 565: 555: 203: 128: 82: 1106: 998: 952: 918: 872: 862: 823: 761: 742: 737: 732: 727: 722: 341: 192: 118: 74: 1330: 1264: 1186: 1154: 1111: 1003: 945: 940: 935: 923: 908: 877: 798: 456: 447: 215: 150:, archegonia are not embedded but are located on top of the leafy 132:
Gene expression pattern determined by histochemical GUS assays in
127: 106: 66: 29: 1181: 1176: 828: 668: 643: 638: 622: 593: 481: 142: 70: 314: 1101: 663: 182:
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))" 1487: 1451: 1341: 1214: 1130: 1026: 976: 701: 631: 574: 536: 510: 446: 366: 326: 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 534: 527: 518:Plant morphology 335: 328: 321: 312: 305: 304: 302: 301: 292:. Archived from 286: 280: 279: 277: 276: 267:. Archived from 259: 253: 244: 230:(megastrobili). 45: 21: 1595: 1594: 1590: 1589: 1588: 1586: 1585: 1584: 1560: 1559: 1558: 1553: 1535: 1504:Botanical terms 1497: 1483: 1447: 1393:Citrus taxonomy 1371:Author citation 1337: 1231: 1210: 1132: 1126: 1122:Turgor pressure 1030: 1018: 972: 787:Floral symmetry 705: 697: 627: 616:Vascular bundle 611:Vascular tissue 570: 530: 521: 520: 506: 477:Vascular plants 442: 438:Plant pathology 362: 344: 339: 309: 308: 299: 297: 288: 287: 283: 274: 272: 263: 260: 256: 245: 241: 236: 180: 95: 28: 23: 22: 15: 12: 11: 5: 1593: 1591: 1583: 1582: 1577: 1572: 1562: 1561: 1555: 1554: 1552: 1551: 1540: 1537: 1536: 1534: 1533: 1528: 1523: 1518: 1517: 1516: 1506: 1500: 1498: 1496: 1495: 1494:Related topics 1492: 1488: 1485: 1484: 1482: 1481: 1476: 1471: 1466: 1461: 1455: 1453: 1449: 1448: 1446: 1445: 1443:Taxonomic rank 1440: 1435: 1429: 1424: 1419: 1418: 1417: 1416: 1415: 1410: 1405: 1395: 1385: 1384: 1383: 1378: 1373: 1368: 1363: 1361:Botanical name 1353: 1347: 1345: 1343:Plant taxonomy 1339: 1338: 1336: 1335: 1334: 1333: 1328: 1327: 1326: 1319:Megasporangium 1316: 1315: 1314: 1307:Microsporangia 1299: 1298: 1297: 1292: 1287: 1282: 1272: 1267: 1262: 1261: 1260: 1250: 1245: 1240: 1234: 1232: 1230: 1229: 1224: 1218: 1212: 1211: 1209: 1208: 1203: 1198: 1193: 1192: 1191: 1190: 1189: 1179: 1174: 1169: 1168: 1167: 1162: 1152: 1147: 1145:Cushion plants 1136: 1134: 1128: 1127: 1125: 1124: 1119: 1114: 1109: 1104: 1099: 1098: 1097: 1092: 1082: 1080:Plant hormones 1077: 1072: 1071: 1070: 1063:Photosynthesis 1060: 1055: 1050: 1045: 1040: 1034: 1032: 1024: 1023: 1020: 1019: 1017: 1016: 1011: 1006: 1001: 996: 991: 986: 980: 978: 974: 973: 971: 970: 965: 960: 955: 950: 949: 948: 943: 938: 928: 927: 926: 921: 916: 911: 901: 896: 895: 894: 893: 892: 887: 882: 881: 880: 875: 855: 850: 845: 844: 843: 842: 841: 836: 826: 821: 816: 811: 806: 796: 795: 794: 789: 784: 782:Floral formula 779: 777:Floral diagram 774: 769: 759: 758: 757: 752: 747: 746: 745: 740: 730: 720: 715: 709: 707: 706:(incl. Flower) 699: 698: 696: 695: 694: 693: 688: 683: 682: 681: 676: 666: 656: 651: 646: 641: 635: 633: 629: 628: 626: 625: 620: 619: 618: 608: 606:Storage organs 603: 598: 597: 596: 586: 580: 578: 572: 571: 569: 568: 563: 558: 553: 548: 542: 540: 531: 529: 528: 514: 508: 507: 505: 504: 499: 494: 492:Spermatophytes 489: 484: 479: 474: 469: 464: 462:Archaeplastida 459: 453: 451: 444: 443: 441: 440: 435: 430: 425: 424: 423: 416:Phytogeography 413: 411:Phytochemistry 408: 403: 398: 393: 388: 383: 378: 372: 370: 368:Subdisciplines 364: 363: 361: 360: 355: 349: 346: 345: 340: 338: 337: 330: 323: 315: 307: 306: 281: 254: 238: 237: 235: 232: 226:inside female 208:megasporangium 179: 176: 94: 91: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1592: 1581: 1578: 1576: 1573: 1571: 1570:Plant anatomy 1568: 1567: 1565: 1550: 1542: 1541: 1538: 1532: 1529: 1527: 1524: 1522: 1519: 1515: 1512: 1511: 1510: 1507: 1505: 1502: 1501: 1499: 1493: 1490: 1489: 1486: 1480: 1479:Phytochemical 1477: 1475: 1472: 1470: 1467: 1465: 1462: 1460: 1457: 1456: 1454: 1450: 1444: 1441: 1439: 1436: 1433: 1430: 1428: 1425: 1423: 1420: 1414: 1411: 1409: 1406: 1404: 1401: 1400: 1399: 1396: 1394: 1391: 1390: 1389: 1386: 1382: 1379: 1377: 1374: 1372: 1369: 1367: 1364: 1362: 1359: 1358: 1357: 1354: 1352: 1349: 1348: 1346: 1344: 1340: 1332: 1329: 1325: 1322: 1321: 1320: 1317: 1313: 1310: 1309: 1308: 1305: 1304: 1303: 1300: 1296: 1293: 1291: 1288: 1286: 1283: 1281: 1278: 1277: 1276: 1273: 1271: 1268: 1266: 1263: 1259: 1256: 1255: 1254: 1251: 1249: 1246: 1244: 1241: 1239: 1236: 1235: 1233: 1228: 1225: 1223: 1220: 1219: 1217: 1213: 1207: 1204: 1202: 1199: 1197: 1194: 1188: 1185: 1184: 1183: 1180: 1178: 1175: 1173: 1170: 1166: 1163: 1161: 1158: 1157: 1156: 1153: 1151: 1148: 1146: 1143: 1142: 1141: 1138: 1137: 1135: 1129: 1123: 1120: 1118: 1117:Transpiration 1115: 1113: 1110: 1108: 1105: 1103: 1100: 1096: 1093: 1091: 1088: 1087: 1086: 1083: 1081: 1078: 1076: 1073: 1069: 1066: 1065: 1064: 1061: 1059: 1056: 1054: 1051: 1049: 1046: 1044: 1041: 1039: 1036: 1035: 1033: 1029: 1025: 1015: 1012: 1010: 1007: 1005: 1002: 1000: 997: 995: 992: 990: 987: 985: 982: 981: 979: 975: 969: 966: 964: 961: 959: 956: 954: 951: 947: 944: 942: 939: 937: 934: 933: 932: 929: 925: 922: 920: 917: 915: 912: 910: 907: 906: 905: 904:Inflorescence 902: 900: 897: 891: 888: 886: 883: 879: 876: 874: 871: 870: 869: 866: 865: 864: 861: 860: 859: 856: 854: 851: 849: 846: 840: 837: 835: 832: 831: 830: 827: 825: 822: 820: 817: 815: 812: 810: 807: 805: 802: 801: 800: 797: 793: 790: 788: 785: 783: 780: 778: 775: 773: 770: 768: 765: 764: 763: 760: 756: 753: 751: 748: 744: 741: 739: 736: 735: 734: 731: 729: 726: 725: 724: 721: 719: 716: 714: 711: 710: 708: 704: 700: 692: 689: 687: 684: 680: 677: 675: 672: 671: 670: 667: 665: 662: 661: 660: 657: 655: 652: 650: 647: 645: 642: 640: 637: 636: 634: 630: 624: 621: 617: 614: 613: 612: 609: 607: 604: 602: 599: 595: 592: 591: 590: 589:Ground tissue 587: 585: 582: 581: 579: 577: 573: 567: 564: 562: 559: 557: 554: 552: 549: 547: 544: 543: 541: 539: 535: 532: 525: 519: 516: 515: 513: 512:Plant anatomy 509: 503: 500: 498: 495: 493: 490: 488: 485: 483: 480: 478: 475: 473: 470: 468: 465: 463: 460: 458: 455: 454: 452: 449: 445: 439: 436: 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: 373: 371: 369: 365: 359: 356: 354: 351: 350: 347: 343: 336: 331: 329: 324: 322: 317: 316: 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: 153: 149: 148: 144: 137: 136: 130: 126: 124: 120: 116: 112: 108: 104: 100: 92: 90: 88: 84: 80: 76: 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:)

Index

Archegonia

Ancient Greek
gametophyte
plants
ovum
gamete
antheridium
thallus
hornworts
bryophytes
cryptogams
sperm
Pinophyta
angiosperms
pollen
pollen tube

Physcomitrella patens
moss
Physcomitrella patens
gametophore
Polycomb
egg cell
GUS staining
fertilisation
FIE gene
gymnosperms
angiosperms
Gnetum

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.