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Coordinated regulation of anthocyanin biosynthesis through photorespiration and temperature in peach (Prunus persica f. atropurpurea)

文献类型: 外文期刊

作者: Zhou, Ying 1 ; Guo, Dong 2 ; Li, Jing 1 ; Cheng, Jun 1 ; Zhou, Hui 1 ; Gu, Chao 1 ; Gardiner, Sue 3 ; Han, Yue-Peng 1 ;

作者机构: 1.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan 430074, Peoples R China

2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Key Lab Trop Crop Biotechnol, Minist Agr, Haikou 571101, Peoples R China

3.New Zealand Inst Plant & Food Res Ltd, Palmerston North, New Zealand

关键词: Peach;Anthocyanin;Photorespiration;Temperature;Real-time quantitative PCR

期刊名称:TREE GENETICS & GENOMES ( 影响因子:2.297; 五年影响因子:2.547 )

ISSN: 1614-2942

年卷期: 2013 年 9 卷 1 期

页码:

收录情况: SCI

摘要: The usual red color of young leaves of peach (Prunus persica f. atropurpurea) is due to the accumulation of anthocyanin. Real-time PCR analysis revealed a strong correlation between the expression levels of anthocyanin biosynthetic genes and anthocyanin content in leaves at different developmental stages. The expression profiles of both anthocyanin biosynthetic genes and photorespiratory genes showed significant changes in leaves held in the dark or exposed to heat stress, compared with controls. The expression of anthocyanin biosynthetic genes dramatically decreased in peach red leaves following dark or heat treatments, resulting in a significant decrease of anthocyanin accumulation. However, the photorespiration-related genes GDCH and GOX exhibited increased expression in peach leaves after dark or heat treatment. Moreover, the expression levels of GDCH and GOX in the Arabidopsis chi/f3'h mutant that does not accumulate anthocyanins were higher than in the wild type. Overall, these results support the hypothesis that photorespiration-related genes might be involved in the regulation of anthocyanin biosynthesis. This finding provides a new insight into our understanding of the mechanism underlying the control of anthocyanin biosynthesis in plants.

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