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The proanthocyanidin‐specific transcription factor MdMYBPA1 initiates anthocyanin synthesis under low‐temperature conditions in red‐fleshed apples
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Nan Wang Changzhi Qu Shenghui Jiang Zijing Chen Haifeng Xu Hongcheng Fang Mengyu Su Jing Zhang Yicheng Wang Wenjun Liu Zongying Zhang Ninglin Lu Xuesen Chen 《The Plant journal : for cell and molecular biology》2018,96(1):39-55
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Overexpression of the IbMYB1 gene in an orange‐fleshed sweet potato cultivar produces a dual‐pigmented transgenic sweet potato with improved antioxidant activity
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Sung‐Chul Park Yun‐Hee Kim Sun Ha Kim Yu Jeong Jeong Cha Young Kim Joon Seol Lee Ji‐Yeong Bae Mi‐Jeong Ahn Jae Cheol Jeong Haeng‐Soon Lee Sang‐Soo Kwak 《Physiologia plantarum》2015,153(4):525-537
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In the present work, the pigmentation regulated by light was investigated in ray floret (rf) of Gerbera hybrida. When inflorescences from stage 1 were covered with aluminium foil in vivo the pigmentation of the rf petals was strongly blocked and the gene expression of CHS (Chalcone synthase) and DFR (Dihydroflavonol-4-reductase) was inhibited. Similar results were obtained when the detached rfs were cultured in vitro. Covering of the leaves on the plants resulted in reduced pigmentation compared with the covering of inflorescences in vivo. Removal of the green bracts did not affect the pigmentation significantly and the anthocyanin concentration was maintained at a level similar to that of the control. The ultrastructure of the plastids in rf petals was examined to investigate the possible role of photosynthesis in light regulation of flower pigmentation. Plastids within rf epidermal cells showed a characteristic chloroplast morphology in flowers at stage 2, which deteriorated by stage 3. They then changed to a chromoplast-like structure in fully opened rf petals (stage 6). Similar chromoplast-like structures were observed in the plastids of the rf petals from inflorescences both shaded in vivo and in vitro. Additionally, DCMU, a photosynthetic inhibitor, did not show a significant effect on light-induced anthocyanin accumulation. Our data suggest that light is an important factor for pigmentation of rf petal in Gerbera and the petal itself acts as a light sensor site to perceive the light signal. From the different light qualities evaluated, blue light promoted gene expression of CHS and DFR, and red light enhanced the gene expression of CHS, indicating the photoreceptors responding to blue and red light involved in the photoregulation of flower pigmentation in Gerbera. 相似文献
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The bHLH transcription factor MdbHLH3 promotes anthocyanin accumulation and fruit colouration in response to low temperature in apples 总被引:1,自引:0,他引:1
XING‐BIN XIE SHEN LI RUI‐FEN ZHANG JING ZHAO YING‐CHUN CHEN QIANG ZHAO YU‐XIN YAO CHUN‐XIANG YOU XIAN‐SHENG ZHANG YU‐JIN HAO 《Plant, cell & environment》2012,35(11):1884-1897
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Molecular genetics of blood‐fleshed peach reveals activation of anthocyanin biosynthesis by NAC transcription factors
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Hui Zhou Kui Lin‐Wang Huiliang Wang Chao Gu Andrew P. Dare Richard V. Espley Huaping He Andrew C. Allan Yuepeng Han 《The Plant journal : for cell and molecular biology》2015,82(1):105-121
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A group of grapevine MYBA transcription factors located in chromosome 14 control anthocyanin synthesis in vegetative organs with different specificities compared with the berry color locus
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José Tomás Matus Erika Cavallini Rodrigo Loyola Janine Höll Laura Finezzo Silvia Dal Santo Sandrine Vialet Mauro Commisso Federica Roman Andrea Schubert José Antonio Alcalde Jochen Bogs Agnès Ageorges Giovanni Battista Tornielli Patricio Arce‐Johnson 《The Plant journal : for cell and molecular biology》2017,91(2):220-236