Relationships among hormone changes, transmembrane Ca2+ flux and lipid peroxidation during leaf senescence in spring maize
文献类型: 外文期刊
第一作者: He, P
作者: He, P;Jin, JY
作者机构:
关键词: spring maize;leaf senescence;Ca2+-ATPase;plant hormone;SOD
期刊名称:ACTA BOTANICA SINICA ( 影响因子:0.599; )
ISSN: 0577-7496
年卷期: 1999 年 41 卷 11 期
页码:
收录情况: SCI
摘要: Ca-45(2+) absorption by plasma membrane vesicles isolated from maize (Zea mays L.) leaves cultured in vitro was assessed to investigate the relationships among hormone changes, transmembrane Ca2+ flux and lipid peroxidation during leaf senescence. The results suggested that the possible process of leaf senescence in spring maize followed a sequence of endogenous hormonal change then transmembrane Ca2+ flux which further led to lipid peroxidation, with consequent degradation of chlorophyll and protein.
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