The re-assimilation of ammonia produced by photorespiration and the nitrogen economy of C3 higher plants

被引：65

作者：

Keys, AJ ^{[1
]}

机构：

[1] Rothamsted Res, Crop Prod & Improvement Div, Harpenden AL5 2JQ, Herts, England

来源：

PHOTOSYNTHESIS RESEARCH | 2006年 / 87卷 / 02期

关键词：

ammonia; Ivan Bird; carbon dioxide; Martin Cornelius; Jack Edelman; glycine decarboxylase; nitrogen assimilation glutamine synthetase; glutamate synthase; Andrew Goldsworthy; Peter Lea; John Ludwig; Ben Miflin; photorespiration rate; Roger Wallsgrove; Charles Whittingham;

D O I：

10.1007/s11120-005-9024-x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Photorespiration involves the conversion of glycine to serine with the release of ammonia and CO2. In C-3 terrestrial higher plants the flux through glycine and serine is so large that it results in the production of ammonia at a rate far exceeding that from reduction of new nitrogen entering the plant. The photorespiratory nitrogen cycle re-assimilates this ammonia using the enzymes glutamine synthetase and glutamine:2-oxoglutarateaminotransferase.

引用

页码：165 / 175

页数：11

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