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An R2R3 MYB transcription factor associated with regulation of the anthocyanin biosynthetic pathway in Rosaceae 总被引:10,自引:0,他引:10
Kui Lin-Wang Karen Bolitho Karryn Grafton Anne Kortstee Sakuntala Karunairetnam Tony K McGhie Richard V Espley Roger P Hellens Andrew C Allan 《BMC plant biology》2010,10(1):1-17
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The A locus that controls anthocyanin accumulation in pepper encodes a MYB transcription factor homologous to Anthocyanin2 of Petunia 总被引:1,自引:0,他引:1
Borovsky Y Oren-Shamir M Ovadia R De Jong W Paran I 《TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik》2004,109(1):23-29
Pepper plants containing the dominant A gene accumulate anthocyanin pigments in the foliage, flower and immature fruit. We previously mapped A to pepper chromosome 10 in the F2 progeny of a cross between 5226 (purple-fruited) and PI 159234 (green-fruited) to a region that corresponds, in tomato, to the location of Petunia anthocyanin 2 (An2), a regulator of anthocyanin biosynthesis. This suggested that A encodes a homologue of Petunia An2. Using the sequences of An2 and a corresponding tomato expressed sequence tag, we isolated a pepper cDNA orthologous to An2 that cosegregated with A. We subsequently determined the expression of A by Northern analysis, using RNA extracted from fruits, flowers and leaves of 5226 and PI 159234. In 5226, expression was detected in all stages of fruit development and in both flower and leaf. In contrast, A was not expressed in the sampled tissues in PI 159234. Genomic sequence comparison of A between green- and purple-fruited genotypes revealed no differences in the coding region, indicating that the lack of expression of A in the green genotypes can be attributed to variation in the promoter region. By analyzing the expression of the structural genes in the anthocyanin biosynthetic pathway in 5226 and PI 159234, it was determined that, similar to Petunia, the early genes in the pathway are regulated independently of A, while expression of the late genes is A-dependent.Communicated by R. Hagemann 相似文献
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Baumann K Perez-Rodriguez M Bradley D Venail J Bailey P Jin H Koes R Roberts K Martin C 《Development (Cambridge, England)》2007,134(9):1691-1701
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Arabidopsis TRANSPARENT TESTA GLABRA2 is directly regulated by R2R3 MYB transcription factors and is involved in regulation of GLABRA2 transcription in epidermal differentiation 总被引:6,自引:0,他引:6 下载免费PDF全文
Ishida T Hattori S Sano R Inoue K Shirano Y Hayashi H Shibata D Sato S Kato T Tabata S Okada K Wada T 《The Plant cell》2007,19(8):2531-2543
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