Effects of salinity on activities of H+ -ATPase, H+-PPase and membrane lipid composition in plasma membrane and tonoplast vesicles isolated from soybean (Glycine max L.) seedlings
文献类型: 外文期刊
第一作者: Yu, BJ
作者: Yu, BJ;Lam, HM;Shao, GH;Liu, YL
作者机构:
关键词: salinity;Glycine max L;plasma membrane;tonoplast;H+ -ATPase;H+-PPase;membrane lipid composition
期刊名称:JOURNAL OF ENVIRONMENTAL SCIENCES ( 影响因子:5.565; 五年影响因子:5.066 )
ISSN: 1001-0742
年卷期: 2005 年 17 卷 2 期
页码:
收录情况: SCI
摘要: The effects of NaCl stress on the H+-ATPase, H+-PPase activity and lipid composition of plasma membrane ( PM) and tonoplast(TP) vesicles isolated from roots and leaves of two soybean cultivars( Glycine max L.) differing in salt tolerance (Wenfeng7, salt-tolerant; Union, salt-sensitive) were investigated. When Wenfeng7 was treated with 0.3% (W/V) NaCl for 3 d, the H+-ATPase activities in PM and TP from roots and leaves exhibited a reduction and an enhancement, respectively. The H+-PPase activity in TP from roots also increased. Similar effects were not observed in roots of Union. In addition, the increases of phospholipid content and ratios of phospholipid. to galactolipid in PM and TP from roots and leaves of Wenfeng7 may also change membrane permeability and hence affect salt tolerance.
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