Proline accumulation induced by phosphinothricin in rice leaves

被引：9

作者：

Tsai, YC ^{[1
]}

Hsu, YT ^{[1
]}

Kao, CH ^{[1
]}

机构：

[1] Natl Taiwan Univ, Dept Agron, Taipei 106, Taiwan

来源：

BIOLOGIA PLANTARUM | 2003年 / 46卷 / 02期

关键词：

abscisic acid; arginine; glutamic acid; ornithine; ornithine-d-aminotransferase; Oryza sativa; proline dehydrogenase; (1)-pyroline-5-carboxylate reductase;

D O I：

10.1023/A:1022835618494

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The effect phosphinothricin (PPT), an inhibitor of glutamine synthetase (GS), on proline accumulation in detached rice leaves was investigated. During 12 h incubation, PPT inhibited GS activity and induced accumulation of NH4+, and accumulation of proline in the light but not in darkness. Proline accumulation caused by PPT in the light was related to protein hydrolysis, and increase in the contents of precursors of proline, ornithine and arginine. Abscisic acid accumulation was not required for proline accumulation in PPT-treated rice leaves.

引用

页码：317 / 322

页数：6

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