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CRT (genetics)

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25: 671:, as similarities in these genes have been found across taxa. Note, however, that some cyanobacteria retained their nature. Horizontal gene transfer among species occurred with a high probability in genes involved in the initial steps of the carotenoid biosynthesis pathway such as 165:, while fungi retain a archaeal-like pathway. Among all these synthesizers, several possible selection and arrangements of biosynthetic genes exist, consisting of one gene cluster cluster, several clusters, or no clustering at all. 835:
Activation and analysis of cryptic crt genes for carotenoid biosynthesis from Streptomyces griseus. Schumann G1, Nürnberger H, Sandmann G and Krügel H, Mol Gen Genet., 28 October 1996, volume 252, issue 6, pages 658-666,
1330:"Elucidation of a Carotenoid Biosynthesis Gene Cluster Encoding a Novel Enzyme, 2,2′-β-Hydroxylase, from Brevundimonas sp. Strain SD212 and Combinatorial Biosynthesis of New or Rare Xanthophylls" 932:"Elucidation of a Carotenoid Biosynthesis Gene Cluster Encoding a Novel Enzyme, 2,2′-β-Hydroxylase, from Brevundimonas sp. Strain SD212 and Combinatorial Biosynthesis of New or Rare Xanthophylls" 788:
Carotenoid biosynthetic pathway: molecular phylogenies and evolutionary behavior of crt genes in eubacteria. Phadwal K, Gene, 17 January 2005, volume 345, issue 1, pages 35-43,
687:
are less conserved. The less conserved nature of these genes allowed for the expansion of the carotenoid biosynthesis pathway and its end products. Amino acid variations within
694:
Gene duplications are suspected to have occurred due to the presence of multiple copies of ctr clusters or genes within a single species. An example of this can be seen in the
1328:
Nishida, Yasuhiro; Adachi, Kyoko; Kasai, Hiroaki; Shizuri, Yoshikazu; Shindo, Kazutoshi; Sawabe, Akiyoshi; Komemushi, Sadao; Miki, Wataru; Misawa, Norihiko (August 2005).
930:
Nishida, Yasuhiro; Adachi, Kyoko; Kasai, Hiroaki; Shizuri, Yoshikazu; Shindo, Kazutoshi; Sawabe, Akiyoshi; Komemushi, Sadao; Miki, Wataru; Misawa, Norihiko (August 2005).
341:, is also capable of converting carotenoids into β-cryptoxanthin, Zeaxanthin, 3-Hydroxyechinenone, 3'-Hydroxyechinenone, Astaxanthin, Adonixanthin, and  Adonirubin. 333:
in Chlorophyta, is also involved in the conversion of other carotenoids into Canthaxanthin, 3-Hydroxyechinenone, 3'-Hydroxyechinenone, Adonixanthin, and Astaxanthin.
295:
Zeaxanthin and lutein are obtained through hydroxylation of α- and β-carotene. Hydroxylation of Zeaxanthin occurs by β-carotene hydroxylase an enzyme encoded on the
819:
Molecular phylogenies and evolution of crt genes in algae. Chen Q, Jiang JG and Wang F, Crit Rev Biotechnol., Apr-Jun 2007;, volume 27, issue 2, pages 77-91,
247:
Spirilloxanthin is obtained from lycopene following a hydration, desaturation, and methylation reaction. These reactions are catalyzed by carotene hydratase (
1054:
Giraud, Eric; Hannibal, Laure; Fardoux, Joël; Jaubert, Marianne; Jourand, Philippe; Dreyfus, Bernard; Sturgis, James N.; Verméglio, Andre (April 2004).
1281:"A New Type of Asymmetrically Acting β-Carotene Ketolase Is Required for the Synthesis of Echinenone in the Cyanobacterium Synechocystis sp. PCC 6803" 161:
is universal among carotenoid synthesizers. Among eukaryotes, plants and algae inherited the cyanobacterial pathway via biosynthesis of their
1105:"Complete Biosynthetic Pathway of the C50Carotenoid Bacterioruberin from Lycopene in the Extremely Halophilic Archaeon Haloarcula japonica" 353:
encodes for carotenoid 2,2'- β-hydroxylase, this enzyme leads to the formation of 2-hydroxylated and 2,2′-dihydroxylated products in
108: 42: 1103:
Yang, Ying; Yatsunami, Rie; Ando, Ai; Miyoko, Nobuhiro; Fukui, Toshiaki; Takaichi, Shinichi; Nakamura, Satoshi (2015-02-23).
46: 1445:"An update on carotenoid biosynthesis in algae: phylogenetic evidence for the existence of two classes of phytoene synthase" 89: 227:
in Chlorophyta. The following desaturation of phytoene into ζ-carotene is catalyzed by the phytoene desaturase encoded by
61: 740:
For concrete examples of the diversity of gene organization, compare the clusters presented in figure 1 (6 genomes),
204: 679:. These genes are often well conserved while others involved in the later stages of Carotenoid biosynthesis such as 68: 208: 1002:"New functional assignment of the carotenogenic genescrtBandcrtEwith constructs of these genes fromErwiniaspecies" 199:
encodes for an enzyme known as geranylgeranyl diphosphate synthase known to catalyze the condensation reaction of
1224:"Biosynthesis of ketocarotenoids in transgenic cyanobacteria expressing the algal gene for β-C-4-oxygenase, crtO" 267:
Lycopene is cyclized through two enzymes lycopene cyclase and β-C-4-oxygenase/β-carotene ketolase encoded on the
200: 717:
gene cluster. This second gene cluster has been shown to also be involved in carotenoid biosynthesis using its
653: 137: 75: 1398:"Carotenoid biosynthetic pathway: molecular phylogenies and evolutionary behavior of crt genes in eubacteria" 35: 896:"Diversity and origin of carotenoid biosynthesis: its history of coevolution towards plant photosynthesis" 311:
Zeaxanthin can be further processed to obtain zeaxanthin-diglucoside by Zeaxanthin glucosyl transferase (
57: 183:
crtA, crtB, crtC, crtD, crtE, crtF, crtG, crtH, crtI, crtO, crtP, crtR, crtT, crtU, crtV, and crtY, crtZ
856:
Sandmann, G (2021). "Diversity and Evolution of Carotenoid Biosynthesis from Prokaryotes to Plants.".
1506: 1341: 1056:"Two Distinct crt Gene Clusters for Two Different Functional Classes of Carotenoid in Bradyrhizobium" 943: 142: 1261: 347:
catalyzes the isomerization of cis-carotenes into trans-carotenes through carotenoid isomerase.
321:
is obtained from β -carotene through the catalyzing enzyme β-C-4-oxygenase/β-carotene ketolase (
1511: 1482: 1464: 1425: 1417: 1375: 1357: 1310: 1302: 1253: 1245: 1199: 1181: 1142: 1124: 1085: 1077: 1023: 977: 959: 869: 837: 820: 789: 757: 749: 741: 216: 1472: 1456: 1409: 1365: 1349: 1292: 1235: 1189: 1173: 1132: 1116: 1067: 1013: 967: 951: 907: 861: 657: 648:
Previous studies have indicated through phylogenetic analysis that evolutionary patterns of
355: 235:ζ -carotene can also be obtained through phytoene using the carotene 2,4-desaturase enzyme ( 82: 1345: 947: 239:). Depending on the species, varying carotenoids are accumulated following these steps. 1477: 1370: 1194: 1137: 1018: 1001: 972: 931: 696: 606:
Conversion of neurosporene to demethylspheroidene and lycopene to hydroxy derivatives
470:
Lycopene cyclase (Bacteria except Firmicutes, Chlorobi, Cyanobacteria, Actinobacteria)
1240: 1500: 1329: 664: 1353: 955: 1265: 1223: 129: 125: 860:. Advances in experimental medicine and biology. Vol. 1261. pp. 79–94. 1397: 1161: 865: 668: 186: 24: 1444: 1413: 1177: 1460: 318: 190: 133: 1468: 1421: 1361: 1306: 1279:
Fernández-González, Blanca; Sandmann, Gerhard; Vioque, Agustín (April 1997).
1249: 1185: 1128: 1081: 1027: 963: 1297: 1280: 1486: 1443:
Tran, Duc; Haven, James; Qiu, Wei-Gang; Polle, Juergen E. W. (2008-12-09).
1429: 1379: 1203: 1146: 1089: 1072: 1055: 981: 873: 824: 793: 761: 753: 745: 1314: 1257: 841: 1104: 721: 212: 150: 1120: 663:
Horizontal gene transfer has been hypothesized to have occurred between
283:
cyclizes lycopene into β-carotene, which is subsequently oxygenated by
162: 154: 912: 895: 619:
Conversion of myxol to 2-hydroxymyxol and zeaxanthin to nostoxanthin
211:(GGDP). Two GGDP molecules are subsequently converted into a single 149:
Carotenoid synthesis is probably present in the common ancestor of
18: 691:
genes have evolved due to purifying and adaptive selection.
410:
Phytoene desaturase (Chlorobi, Cyanobacteria, plant, algae)
136:. Those genes are found in eubacteria, in algae and are 363:
Table 1: role of CRT genes in carotenoid biosynthesis
858:
Carotenoids: Biosynthetic and Biofunctional Approaches
423:
Phytoeine desaturase (Archaea, fungi, most Bacteria)
1000:
Sandmann, Gerhard; Misawa, Norihiko (January 1992).
567:
Conversion of zeaxanthin to zeaxanthin-diglucoside
185:. These genes play a role in varying stages of the 181:gene cluster consists of twenty-five genes such as 49:. Unsourced material may be challenged and removed. 1222:Harker, Mark; Hirschberg, Joseph (1997-03-10). 538:β-carotene hydroxylase (various Cyanobacteria) 925: 923: 551:β-carotene hydroxylase (various Chlorophyta) 8: 1162:"Carotenoids as natural functional pigments" 889: 887: 885: 883: 554:Hydroxylation of β-carotene to zeaxanthin 541:Hydroxylation of β-carotene to zeaxanthin 528:Conversion of spheroidene to spheroidenone 580:Conversion of β-carotene to canthaxanthin 851: 849: 436:ζ- carotene desaturase (Qa: 'evolved from 361: 1476: 1369: 1296: 1239: 1193: 1136: 1071: 1017: 971: 911: 593:Conversion of β-carotene to echinenone 109:Learn how and when to remove this message 483:Lycopene cyclase (two in Cyanobacteria: 447:Desaturation of ζ- carotene to lycopene 426:Conversion of phytoene into ζ- carotene 413:Conversion of phytoene into ζ- carotene 772: 733: 460:Isomeration of cis to trans carotones 1334:Applied and Environmental Microbiology 936:Applied and Environmental Microbiology 515:Conversion of phytoene to ζ-carotene 1391: 1389: 1217: 1215: 1213: 7: 1049: 1047: 1045: 1043: 1041: 1039: 1037: 995: 993: 991: 815: 813: 811: 809: 807: 805: 803: 801: 784: 782: 780: 778: 776: 637:* In Chlorophyta, In cyanobacteria 590:β-C-4-oxygenase/β-carotene ketolase 577:β-C-4-oxygenase/β-carotene ketolase 47:adding citations to reliable sources 255:), and carotene methyltransferase ( 1019:10.1111/j.1574-6968.1992.tb05162.x 894:Sandmann, Gerhard (October 2021). 14: 1396:Phadwal, Kanchan (January 2005). 387:IPP and DMAPP conversion to GGDP 564:Zeaxanthin glucosyl transferase 173:genes in carotenoid biosynthesis 23: 1354:10.1128/aem.71.8.4286-4296.2005 1285:Journal of Biological Chemistry 1060:Journal of Biological Chemistry 956:10.1128/AEM.71.8.4286-4296.2005 34:needs additional citations for 705:genes can be found (excluding 616:Carotenoid 2,2′-β-hydroxylase 397:Phytoene Synthase (universal) 1: 1241:10.1016/s0014-5793(97)00110-5 1160:Maoka, Takashi (2019-10-01). 251:), carotene 3,4- desaturase ( 157:; the phytoene synthase gene 1166:Journal of Natural Medicines 400:GGDP conversion to phytoene 866:10.1007/978-981-15-7360-6_7 756:figure 1 (10 genomes), and 713:genes) as well as a second 673:crtE, crtB, crtY, crtL, PSY 652:genes are characterized by 205:dimethylallyl pyrophosphate 1528: 1414:10.1016/j.gene.2004.11.038 1178:10.1007/s11418-019-01364-x 525:Spheroidene monooxygenase 209:geranylgeranyl diphosphate 1461:10.1007/s00425-008-0866-2 1006:FEMS Microbiology Letters 636: 512:Carotene 3,4-desaturase 201:isopentenyl pyrophosphate 654:horizontal gene transfer 502:Cyclization of lycopene 473:Cyclization of lycopene 275:(in cyanobacteria), and 193:biosynthesis (Table 1). 1298:10.1074/jbc.272.15.9728 1109:Journal of Bacteriology 303:gene (in Chlorophyta). 299:(in cyanobacteria) and 287:to form canthaxanthin. 219:, an enzyme encoded by 1073:10.1074/jbc.m312113200 764:figure 3 (11 genomes). 748:figure 1 (4 genomes), 701:strain, where initial 629:Carotenoid regulation 457:Carotenoid isomerase 291:Zeaxanthin and lutein 143:Streptomyces griseus 128:responsible for the 43:improve this article 1346:2005ApEnM..71.4286N 1121:10.1128/jb.02523-14 1066:(15): 15076–15083. 948:2005ApEnM..71.4286N 603:Carotene hydratase 440:; Qb: evolved from 374:Catalyzed reaction 364: 58:"CRT" genetics 362: 271:(in Chlorophyta) / 1291:(15): 9728–9733. 913:10.1111/nph.17655 641: 640: 259:), respectively. 217:phytoene synthase 189:biosynthesis and 119: 118: 111: 93: 1519: 1491: 1490: 1480: 1440: 1434: 1433: 1393: 1384: 1383: 1373: 1340:(8): 4286–4296. 1325: 1319: 1318: 1300: 1276: 1270: 1269: 1243: 1234:(2–3): 129–134. 1219: 1208: 1207: 1197: 1157: 1151: 1150: 1140: 1115:(9): 1614–1623. 1100: 1094: 1093: 1075: 1051: 1032: 1031: 1021: 997: 986: 985: 975: 942:(8): 4286–4296. 927: 918: 917: 915: 891: 878: 877: 853: 844: 833: 827: 817: 796: 786: 765: 738: 658:gene duplication 365: 329:, also known as 279:, respectively. 114: 107: 103: 100: 94: 92: 51: 27: 19: 1527: 1526: 1522: 1521: 1520: 1518: 1517: 1516: 1497: 1496: 1495: 1494: 1442: 1441: 1437: 1395: 1394: 1387: 1327: 1326: 1322: 1278: 1277: 1273: 1221: 1220: 1211: 1159: 1158: 1154: 1102: 1101: 1097: 1053: 1052: 1035: 999: 998: 989: 929: 928: 921: 900:New Phytologist 893: 892: 881: 855: 854: 847: 834: 830: 818: 799: 787: 774: 769: 768: 739: 735: 730: 646: 337:, similarly to 309: 293: 265: 245: 243:Spirilloxanthin 175: 115: 104: 98: 95: 52: 50: 40: 28: 17: 12: 11: 5: 1525: 1523: 1515: 1514: 1509: 1499: 1498: 1493: 1492: 1455:(3): 723–729. 1435: 1385: 1320: 1271: 1209: 1152: 1095: 1033: 1012:(3): 253–258. 987: 919: 906:(2): 479–493. 879: 845: 828: 797: 771: 770: 767: 766: 732: 731: 729: 726: 697:Bradyrhizobium 645: 642: 639: 638: 634: 633: 630: 627: 621: 620: 617: 614: 608: 607: 604: 601: 595: 594: 591: 588: 582: 581: 578: 575: 569: 568: 565: 562: 556: 555: 552: 549: 543: 542: 539: 536: 530: 529: 526: 523: 517: 516: 513: 510: 504: 503: 500: 481: 475: 474: 471: 468: 462: 461: 458: 455: 449: 448: 445: 434: 428: 427: 424: 421: 415: 414: 411: 408: 402: 401: 398: 395: 389: 388: 385: 384:GGDP synthase 382: 376: 375: 372: 369: 308: 305: 292: 289: 264: 261: 244: 241: 174: 167: 117: 116: 99:September 2021 31: 29: 22: 15: 13: 10: 9: 6: 4: 3: 2: 1524: 1513: 1510: 1508: 1505: 1504: 1502: 1488: 1484: 1479: 1474: 1470: 1466: 1462: 1458: 1454: 1450: 1446: 1439: 1436: 1431: 1427: 1423: 1419: 1415: 1411: 1407: 1403: 1399: 1392: 1390: 1386: 1381: 1377: 1372: 1367: 1363: 1359: 1355: 1351: 1347: 1343: 1339: 1335: 1331: 1324: 1321: 1316: 1312: 1308: 1304: 1299: 1294: 1290: 1286: 1282: 1275: 1272: 1267: 1263: 1259: 1255: 1251: 1247: 1242: 1237: 1233: 1229: 1225: 1218: 1216: 1214: 1210: 1205: 1201: 1196: 1191: 1187: 1183: 1179: 1175: 1171: 1167: 1163: 1156: 1153: 1148: 1144: 1139: 1134: 1130: 1126: 1122: 1118: 1114: 1110: 1106: 1099: 1096: 1091: 1087: 1083: 1079: 1074: 1069: 1065: 1061: 1057: 1050: 1048: 1046: 1044: 1042: 1040: 1038: 1034: 1029: 1025: 1020: 1015: 1011: 1007: 1003: 996: 994: 992: 988: 983: 979: 974: 969: 965: 961: 957: 953: 949: 945: 941: 937: 933: 926: 924: 920: 914: 909: 905: 901: 897: 890: 888: 886: 884: 880: 875: 871: 867: 863: 859: 852: 850: 846: 843: 839: 832: 829: 826: 822: 816: 814: 812: 810: 808: 806: 804: 802: 798: 795: 791: 785: 783: 781: 779: 777: 773: 763: 759: 755: 751: 747: 743: 737: 734: 727: 725: 723: 720: 716: 712: 708: 704: 700: 698: 692: 690: 686: 682: 678: 674: 670: 666: 665:cyanobacteria 661: 659: 655: 651: 643: 635: 631: 628: 626: 623: 622: 618: 615: 613: 610: 609: 605: 602: 600: 597: 596: 592: 589: 587: 584: 583: 579: 576: 574: 571: 570: 566: 563: 561: 558: 557: 553: 550: 548: 545: 544: 540: 537: 535: 532: 531: 527: 524: 522: 519: 518: 514: 511: 509: 506: 505: 501: 498: 495:became plant 494: 490: 487:became plant 486: 482: 480: 477: 476: 472: 469: 467: 464: 463: 459: 456: 454: 451: 450: 446: 443: 439: 435: 433: 430: 429: 425: 422: 420: 417: 416: 412: 409: 407: 404: 403: 399: 396: 394: 391: 390: 386: 383: 381: 378: 377: 373: 370: 367: 366: 360: 358: 357: 352: 348: 346: 342: 340: 336: 332: 328: 324: 320: 316: 314: 306: 304: 302: 298: 290: 288: 286: 282: 278: 274: 270: 263:Canthaxanthin 262: 260: 258: 254: 250: 242: 240: 238: 234: 230: 226: 222: 218: 214: 210: 207:(DMAPP) into 206: 202: 198: 194: 192: 188: 184: 180: 172: 168: 166: 164: 160: 156: 152: 147: 145: 144: 139: 135: 131: 127: 123: 113: 110: 102: 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: –  59: 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 1452: 1448: 1438: 1408:(1): 35–43. 1405: 1401: 1337: 1333: 1323: 1288: 1284: 1274: 1231: 1228:FEBS Letters 1227: 1169: 1165: 1155: 1112: 1108: 1098: 1063: 1059: 1009: 1005: 939: 935: 903: 899: 857: 831: 736: 718: 714: 710: 706: 702: 695: 693: 688: 684: 680: 676: 672: 662: 649: 647: 624: 611: 598: 585: 573:crtW (bkt2*) 572: 559: 546: 533: 520: 507: 496: 492: 488: 484: 478: 465: 452: 441: 437: 431: 418: 405: 392: 379: 354: 350: 349: 344: 343: 338: 334: 330: 326: 322: 317: 312: 310: 300: 296: 294: 284: 280: 276: 272: 268: 266: 256: 252: 248: 246: 236: 232: 228: 224: 220: 215:molecule by 196: 195: 182: 178: 176: 170: 158: 148: 141: 130:biosynthesis 126:gene cluster 121: 120: 105: 96: 86: 79: 72: 65: 53: 41:Please help 36:verification 33: 16:Gene cluster 1507:Carotenoids 1172:(1): 1–16. 707:crtC, crtD, 669:Chlorophyta 406:crtP (PDS*) 393:crtB (PSY*) 229:crtI, crtP, 223:, known as 187:Astaxanthin 134:carotenoids 1501:Categories 728:References 319:Echinenone 203:(IPP) and 191:Carotenoid 69:newspapers 1469:0032-0935 1422:0378-1119 1362:0099-2240 1307:0021-9258 1250:0014-5793 1186:1340-3443 1129:0021-9193 1082:0021-9258 1028:0378-1097 964:0099-2240 644:Phylogeny 1512:Genetics 1487:19066941 1430:15716108 1380:16085816 1204:31588965 1147:25712483 1090:14734565 982:16085816 874:33783732 825:17578704 794:15716108 762:32155882 754:22963379 746:37887056 722:paralogs 660:events. 213:phytoene 169:Role of 163:plastids 151:Bacteria 1478:6008256 1371:1183362 1342:Bibcode 1315:9092504 1266:9125542 1258:9119049 1195:6949322 1138:4403650 973:1183362 944:Bibcode 842:8917308 371:Enzyme 231:and/or 155:Archaea 138:cryptic 124:is the 83:scholar 1485:  1475:  1467:  1449:Planta 1428:  1420:  1378:  1368:  1360:  1313:  1305:  1264:  1256:  1248:  1202:  1192:  1184:  1145:  1135:  1127:  1088:  1080:  1026:  980:  970:  962:  872:  840:  823:  792:  760:  752:  744:  699:ORS278 675:, and 493:crtL-e 485:crtL-b 356:E coli 85:  78:  71:  64:  56:  1262:S2CID 547:crtZ* 497:lcy-E 489:lcy-B 368:Gene 307:Other 90:JSTOR 76:books 1483:PMID 1465:ISSN 1426:PMID 1418:ISSN 1402:Gene 1376:PMID 1358:ISSN 1311:PMID 1303:ISSN 1254:PMID 1246:ISSN 1200:PMID 1182:ISSN 1143:PMID 1125:ISSN 1086:PMID 1078:ISSN 1024:ISSN 978:PMID 960:ISSN 870:PMID 838:PMID 821:PMID 790:PMID 758:PMID 750:PMID 742:PMID 711:crtF 709:and 685:crtO 683:and 681:crtW 677:crtQ 667:and 656:and 625:crtK 612:crtG 599:crtC 586:crtO 560:crtX 534:crtR 521:crtA 508:crtD 479:crtL 466:crtY 453:crtH 442:CrtP 438:CrtI 432:crtQ 419:crtI 380:crtE 351:crtG 345:crtH 339:crtO 335:CrtZ 331:bkt2 327:CrtO 323:crtO 313:crtX 301:crtZ 297:crtR 285:crtW 281:crtY 277:crtW 273:crtL 269:crtY 257:crtF 253:crtD 249:crtC 237:crtD 233:PDS. 221:crtB 197:crtE 177:The 159:crtB 153:and 62:news 1473:PMC 1457:doi 1453:229 1410:doi 1406:345 1366:PMC 1350:doi 1293:doi 1289:272 1236:doi 1232:404 1190:PMC 1174:doi 1133:PMC 1117:doi 1113:197 1068:doi 1064:279 1014:doi 968:PMC 952:doi 908:doi 904:232 862:doi 719:crt 715:crt 703:crt 689:crt 650:crt 359:. 325:). 315:). 225:PSY 179:CRT 171:CRT 140:in 132:of 122:CRT 45:by 1503:: 1481:. 1471:. 1463:. 1451:. 1447:. 1424:. 1416:. 1404:. 1400:. 1388:^ 1374:. 1364:. 1356:. 1348:. 1338:71 1336:. 1332:. 1309:. 1301:. 1287:. 1283:. 1260:. 1252:. 1244:. 1230:. 1226:. 1212:^ 1198:. 1188:. 1180:. 1170:74 1168:. 1164:. 1141:. 1131:. 1123:. 1111:. 1107:. 1084:. 1076:. 1062:. 1058:. 1036:^ 1022:. 1010:90 1008:. 1004:. 990:^ 976:. 966:. 958:. 950:. 940:71 938:. 934:. 922:^ 902:. 898:. 882:^ 868:. 848:^ 800:^ 775:^ 724:. 632:- 499:) 491:, 444:) 146:. 1489:. 1459:: 1432:. 1412:: 1382:. 1352:: 1344:: 1317:. 1295:: 1268:. 1238:: 1206:. 1176:: 1149:. 1119:: 1092:. 1070:: 1030:. 1016:: 984:. 954:: 946:: 916:. 910:: 876:. 864:: 112:) 106:( 101:) 97:( 87:· 80:· 73:· 66:· 39:.

Index


verification
improve this article
adding citations to reliable sources
"CRT" genetics
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
gene cluster
biosynthesis
carotenoids
cryptic
Streptomyces griseus
Bacteria
Archaea
plastids
Astaxanthin
Carotenoid
isopentenyl pyrophosphate
dimethylallyl pyrophosphate
geranylgeranyl diphosphate
phytoene
phytoene synthase
Echinenone
E coli
horizontal gene transfer
gene duplication

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