Journal
BIOCHEMICAL SOCIETY TRANSACTIONS
Volume 38, Issue -, Pages 677-682Publisher
PORTLAND PRESS LTD
DOI: 10.1042/BST0380677
Keywords
cyanobacterium; glycerate pathway; oxygenic photosynthesis; photorespiration; ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco)
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Photorespiration is the light-dependent release of CO(2) initiated by Rubisco (ribulose-1,5-bisphosphate carboxylase/oxygenase) during oxygenic photosynthesis. It occurs during the biochemical reactions of the photorespiratory C(2) cycle, which is an ancillary metabolic process that allows photosynthesis to occur in oxygen-containing environments. Recent research has identified the genes for many plant photorespiratory enzymes, allowing precise functional analyses by reverse genetics. Similar studies with cyanobactena disclosed the evolutionary origin of photorespiratory metabolism in these ancestors of plastids.
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