Article
Proanthocyanidins inhibit seed germination by maintaining a high level of abscisic acid in Arabidopsis thaliana.
Journal of integrative plant biology - 1 Sept 2012
Jia Liguo, Wu Qiuyu, Ye Nenghui, Liu Rui, Shi Lu, Xu Weifeng, Zhi Hui, Rahman A N M Rubaiyath Bin, Xia Yiji, Zhang Jianhua
Abstract excerpt
Proanthocyanidins (PAs) are the main products of the flavonoid biosynthetic pathway in seeds, but their biological function during seed germination is still unclear. We observed that seed germination is delayed with the increase of exogenous PA concentration in Arabidopsis. A similar inhibitory effect occurred in peeled Brassica napus seeds, which was observed by measuring radicle elongation. Using abscisic acid...
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