High anthocyanin accumulation in an Arabidopsis mutant defective in chloroplast biogenesis
作者： Meijia Wu , Xiaolin Lv , Yingjie Zhou , Yongjun Zeng , Dong Liu
DOI: 10.1007/S10725-019-00481-7
关键词:
摘要: Anthocyanin has an important antioxidant protective effect on plant resistance to oxidative stress. In this study, Arabidopsis mutant dpg1 (delayed pale-greening) with a chloroplast development defect was studied. It found that the anthocyanin accumulation of had increased during seedling stage, and expressions biosynthetic regulatory genes were up-regulated. Further studies showed exogenous ABA (abscisic acid) treatments significantly promoted mutant, content decreased level wild-type. When using NF (norflurazon) simulate stress wild-type Arabidopsis, compared control. However, could reduce induced by Furthermore, components ABI1 acid insensitive 1) ABI3 3) signaling pathway play roles process. These results indicate increases in seedlings be mediated Meanwhile, involved process inhibiting which been
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