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

Photorespiration involves the conversion of glycine to serine with the release of ammonia and CO(2). 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...

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Bibliographic Details
Published inPhotosynthesis research Vol. 87; no. 2; pp. 165 - 175
Main Author Keys, Alfred J
Format Journal Article
LanguageEnglish
Published Netherlands Springer Nature B.V 01.02.2006
Subjects
Ammonia
Ammonia - metabolism
Cell Respiration - physiology
Cell Respiration - radiation effects
Glycine Dehydrogenase (Decarboxylating) - metabolism
Glycolates - metabolism
History, 20th Century
Mitochondria - metabolism
Nitrogen - metabolism
Plant Leaves - metabolism
Plants - drug effects
Plants - metabolism
Research - history
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Summary:Photorespiration involves the conversion of glycine to serine with the release of ammonia and CO(2). 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.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0166-8595
1573-5079
DOI:10.1007/s11120-005-9024-x