Article
Association of specific pectin methylesterases with Al-induced root elongation inhibition in rice.
Physiologia plantarum - 1 Aug 2013
Yang Xiao Ying, Zeng Zhang Hui, Yan Jing Ying, Fan Wei, Bian Hong Wu, Zhu Mu Yuan, Yang Jian Li, Zheng Shao Jian
Abstract excerpt
The negative charges of cell wall pectin molecules attributed by pectin methylesterase (PME, EC 3.1.1.11) contribute to Al binding capacity. We examined the expression profiles of 35 members of the PME gene family in the root apex of an Al-sensitive rice 'Zhefu802' under Al stress. While root elongation was inhibited by 40% after 3-h exposure to 25 µM Al, cell wall PME activity and the abundance of eight PME...
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