Universität zu Köln

Dellero, Younes ORCID: 0000-0001-6038-8199, Jossier, Mathieu, Schmitz, Jessica, Maurino, Veronica G. and Hodges, Michael (2016). Photorespiratory glycolate-glyoxylate metabolism. J. Exp. Bot., 67 (10). S. 3041 - 3053. OXFORD: OXFORD UNIV PRESS. ISSN 1460-2431

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Abstract

Photorespiratory glycolate-glyoxylate metabolism is important to remove toxic compounds and it is essential for plant development. This review highlights our current understanding of the genes, proteins and regulatory process involved in this pathway.Photorespiration is one of the major carbon metabolism pathways in oxygen-producing photosynthetic organisms. This pathway recycles 2-phosphoglycolate (2-PG), a toxic metabolite, to 3-phosphoglycerate when ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) uses oxygen instead of carbon dioxide. The photorespiratory cycle is in competition with photosynthetic CO2 fixation and it is accompanied by carbon, nitrogen and energy losses. Thus, photorespiration has become a target to improve crop yields. Moreover, during the photorespiratory cycle intermediate metabolites that are toxic to Calvin-Benson cycle and RuBisCO activities, such as 2-PG, glycolate and glyoxylate, are produced. Thus, the presence of an efficient 2-PG/glycolate/glyoxylate 'detoxification' pathway is required to ensure normal development of photosynthetic organisms. Here we review our current knowledge concerning the enzymes that carry out the glycolate-glyoxylate metabolic steps of photorespiration from glycolate production in the chloroplasts to the synthesis of glycine in the peroxisomes. We describe the properties of the proteins involved in glycolate-glyoxylate metabolism in Archaeplastida and the phenotypes observed when knocking down/out these specific photorespiratory players. Advances in our understanding of the regulation of glycolate-glyoxylate metabolism are highlighted.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Dellero, Younes UNSPECIFIED orcid.org/0000-0001-6038-8199 UNSPECIFIED Jossier, Mathieu UNSPECIFIED UNSPECIFIED UNSPECIFIED Schmitz, Jessica UNSPECIFIED UNSPECIFIED UNSPECIFIED Maurino, Veronica G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hodges, Michael UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-276644
DOI:	10.1093/jxb/erw090
Journal or Publication Title:	J. Exp. Bot.
Volume:	67
Number:	10
Page Range:	S. 3041 - 3053
Date:	2016
Publisher:	OXFORD UNIV PRESS
Place of Publication:	OXFORD
ISSN:	1460-2431
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CARBOXYLASE OXYGENASE ACTIVATION; S-NITROSYLATED PROTEINS; PHOSPHOGLYCOLATE PHOSPHATASE; ACTIVE-SITE; CHLAMYDOMONAS-REINHARDTII; OXIDASE ACTIVITY; PURIFICATION; PLANT; IDENTIFICATION; DEHYDROGENASE Multiple languages Plant Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/27664