Effects of NaCl stress on photochemical activity and thylakoid membrane polypeptide composition of a salt-tolerant and a salt-sensitive rice cultivar

被引：35

作者：

Wang, R. L. ^{[1
]}

Hua, C. ^{[2
]}

Zhou, F. ^{[2
]}

Zhou, Q. -C. ^{[2
]}

机构：

[1] Jiangsu Food Sci Coll, Huaian 223003, Peoples R China

[2] Nanjing Xiaozhuang Coll, Dept Life Sci, Nanjing 211171, Peoples R China

来源：

PHOTOSYNTHETICA | 2009年 / 47卷 / 01期

关键词：

electron transport activity; Oryza; polypeptides; photosystems; 1; and; 2; CHLOROPHYLL-A/B PROTEINS; PHOTOSYSTEM-II; PHOSPHORYLATION; PHOTOSYNTHESIS; RESPIRATION; ADAPTATION; SALINITY;

D O I：

10.1007/s11099-009-0019-2

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

NaCl stress (200 mM) inhibited the electron transport activity of photosystem 2 (PS2) more than that of PS1. The degree of electron transport activity inhibition was lower in the salt-tolerant cultivar Pokkali than in the salt-sensitive cultivar Peta. The polypeptide composition of the thylakoid membrane and PS2 particles did not change after NaCl treatment but there was a difference in polypeptide compositions of thylakoid membrane and PS2 particles between the two cultivars. PS2 particles of cv. Pokkali contained more 33-kDa and 43-kDa polypeptides than cv. Peta. Additionally, PS2 particles after NaCl treatment showed deficiency of 23-kDa outside polypeptides of PS2.

引用

页码：125 / 127

页数：3

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