[1]Brenda W S. Flavonoid biosynthesis:A colorful model for genetics, biochemistry, cell biology, and biotechnology[J]. Plant Physiol, 2001, 126(2): 485-493. [2]Doebley J, Lukens L. Transcriptional regulators and the evolution of plant form[J]. Plant Cell, 1998, 10(7): 1075-1082. [3]Stracke R, Werber M, Weisshaar B. The R2R3MYB gene family in Arabidopsis thaliana[J]. Plant Biology, 2001, 4(15): 447-456. [4]Ogata K, Morikawa S, Nakamura H, et al. Solution structure of a specific DNA complex of the Myb DNAbinding domain with cooperation helices[J]. Cell, 1994,79(4):639-648. [5]Kranz H, Scholz K, Weisshaar B. cMYB oncogenelike genes encoding three MYB repeats occur in all major plant lineages[J]. Plant Journal, 2000, 21(2): 231-235. [6]PazAres J, Ghosal D, Saedler H. Molecular analysis of the C1I allele from Zea mays: a dominant mutant of the regulatory C1 locus[J]. EMBO Journal, 1990, 9(2): 315-321. [7]Hernandez J M,Heine G F, Irani N G, et al. Different mechanisms participate in the Rdependent activity of the R2R3 MYB transcription factor C1[J]. J Biol Chem, 2004, 279(46): 48205-48213. [8]Laurent D, Jochen B, Amanda R, et al. The transcription factor VvMYB5b contributes to the regulation of anthocyanin and proanthocyanidin biosynthesis in developing grape berries[J]. Plant Physiology, 2008, 147(4):2041-2053. [9]Dubos C, Le Gourrierec J, Baudry A,et al. MYBL2 is a new regulator of flavonoid biosynthesis in Arabidopsis thaliana[J]. Plant Journal, 2008, 55(6): 940-953 [10]Zhu H F, Fitzsimmons K, Khandelwal A,et al. CPC, a singlerepeat R3 MYB, is a negative regulator of anthocyanin Biosynthesis in Arabidopsis[J]. Molecular Plant, 2009, 2(4): 790-802. [11]Nakatsuka T, Haruta K S, Pitaksutheepong, et al. Identification and characterization of R2R3MYB and bHLH transcription factors regulating anthocyanin biosynthesis in gentian flowers[J]. Plant and Cell Physiology, 2008, 49 (12) : 1818-1829. [12]Quattrocchio F, Wing J, Vander W K, et al. Molecular analysis of the anthocyanin2 gene of Petunia and its role in the evolution of flower color[J]. Plant Cell, 1999, 11(8):1433-1444. [13]Borevitz J O, Xia Y, Blount J, et al. Activation tagging identifies a conserved MYB regulator of phenylpropanoid biosynthesis[J]. Plant Cell, 2000, 12(12):2383-2394. [14]Schwinn K, Venail J, Shang Y J, et al. A small family of MYBregulatory genes controls floral pigmentation intensity and patterning in the genus Antirrhinum[J]. Plant Cell, 2006, 18(4):831-851 [15]Atchley W R, Fitch W M. A natural classification of the basic helixloophelix class of transcription factors[J]. Proc Natl Acad Sci, 1997, 94 (10): 5172-5176. [16]Perrot G H,Cone K C. Nucleotide sequence of the maize RS gene[J]. Nucleic Acids Res, 1989, 17(19):8003. [17]Goodrich J, Carpenter R, Coen E S. A common gene regulates pigmentation pattern in diverse plant species[J]. Cell,1992, 68(5):955-964 [18]Spelt C, Quattrocchio F, Mol J N, et al. anthocyanin1 of petunia encodes a basic helixloophelix protein that directly activates transcription of structural anthocyanin genes[J]. Plant Cell, 2000, 12(9): 1619-1631 [19]Neer E J, Schmidt C J, Nambudripad R,et al. The ancient regulatoryprotein family of WDrepeat proteins[J]. Nature,1994, 371(6495):297-300. [20]de Vetten N, Quattrocchio F, Mol J, et al. The an11 locus controlling flower pigmentation in petunia encodes a novel WDrepeat protein conserved in yeast, plants, and animals[J]. Genes Dev, 1997, 11(11): 1422-1434. [21]Walker A R, Davison P A, BolognesiWinfield A C, et al. The TRANSPARENT TESTA GLABRA1 locus, which regulates trichome differentiation and anthocyanin biosynthesis in Arabidopsis,encodes a WD40 repeat protein[J]. Plant Cell, 1999, 11(7):1337-1350. [22]Morita Y, Saitoh M, Hoshino A, et al. Isolation of cDNAs for R2R3MYB, bHLH and WDR transcriptional regulators and identification of c and ca mutations conferring white flowers in the Japanese morning glory[J]. Plant and Cell Physiology, 2006, 47(4): 457-470. [23]Pang Y Z, Wenger J P, Saathoff K,et al. A WD40 repeat protein from Medicago truncatula is necessary for tissuespecific anthocyanin and proanthocyanidin biosynthesis but not for trichome development[J]. Plant Physiology, 2009, 151(3): 1114-1129. [24]Johnson C S, Kolevski B, Smyth D R. TRANSPARENT TESTA GLABRA2, a trichome and seed coat development gene of Arabidopsis, encodes a WRKY transcription factor[J]. Plant Cell, 2002, 14(6):1359-1375. [25]Sablowski R W, Moyano E, CulianezMacia F A, et al. A flowerspecific Myb protein activates transcription of phenylpropanoid biosynthetic genes[J]. EMBOJ, 1994, 13(1):128-137. [26]Moyano E, MartinezGarcia J F, Martin C. Apparent redundancy in myb gene function provides gearing for the control of flavonoid biosynthesis in Antirrhinum flowers[J]. Plant Cell, 1996, 8(9):1519-1532. [27]Meissner R C, Jin H L, Cominelli E, et al. Function search in a large transcription factor gene family in Arabidopsis: assessing the potential of reverse genetics to identify insertional mutations in R2R3MYB genes[J]. Plant Cell, 1999, 11(10):1827-1840. [28]Ramsay N A, Walker A R, Mooney M, et al. Two basichelixloophelix genes(MYC146 and GL3)from Arabidopsis can activ〖LM〗Nesi N, Debeaujon I, Jond C, et al. The TT8 gene encodes a basic helixloophelix domain protein required for expression of DFR and BAN genes in Arabidopsis siliques[J]. Plant Cell, 2000, 12(10):1863-1878. [30]Jin H, Martin C. Multifunctionality and diversity within the plant MYBgene family[J]. Plant Mol Biol, 1999, 41(5):577-585. [31]Stracke R, Ishihara H, Huep G, et al. Differential regulation of closely related R2R3MYB transcription factors controls flavonol accumulation in different parts of the Arabidopsis thaliana seedling[J]. Plant J, 2007, 50(4): 660-677. [32]Mehrtens F, Kranz H, Bednarek P, et al. The Arabidopsis transcription factor MYB12 is a flavonolspecific regulator of phenylpropanoid biosynthesis[J]. Plant Physiology, 2005, 138(2): 1083-1096. [33]Yuan Y X, Chiu L W, Li L. Transcriptional regulation of anthocyanin biosynthesis in red cabbage[J]. Planta, 2009,230(6): 1141-1153. [34]Wei Y L, Li J N, Lu J, et al. Molecular cloning of Brassica napus TRANSPARENT TESTA 2 gene family encoding potential MYB regulatory proteins of proanthocyanidin biosynthesis[J]. Mol Biol Rep, 2007, 34(2):105-120. [35]Elomaa P, Uimari A, Mehto M, et al. Activation of anthocyanin biosynthesis in Gerbera hybrida (Asteraceae) suggests conserved proteinprotein and proteinpromoter interactions between the anciently diverged monocots and eudicots[J]. Plant Physiology, 2003, 133(4): 1831-1842. [36]Wu X M, Lim S H, Yang W C. Characterization, expression and phylogenetic study of R2R3MYB genes in orchid[J]. Plant Mol Biol, 2003, 51(6):959-972. [37]Nakatsuka A, Yamagishi M, Nakano M, et al. Lightinduced expression of basic helixloophelix genes involved in anthocyanin biosynthesis in flowers and leaves of Asiatic hybrid lily[J]. Scientia Horticulturae,2009,121(1): 84-91. [38]Chiou ChungYi, Yeh KaiWun. Differential expression of MYB gene (OgMYB1) determines color patterning in floral tissue of Oncidium Gower Ramsey[J]. Plant Molecular Biology, 2008, 66(4):379-388. [39]Ban Y, Honda C, Hatsuyama Y, et al. Isolation and functional analysis of a MYB transcription factor gene that is a key regulator for the development of red coloration in apple skin[J]. Plant Cell Physiol, 2007, 48(7):958-970. [40]Takos A M, Jaffé F W, Jacob S R, et al. Lightinduced expression of a MYB ge |