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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Unique regulation of the Calvin cycle in the ultrasmall green alga Ostreococcus
Journal of Molecular Evolution, Volume 64, No. 5, Year 2007
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Description
Glyceraldehyde-3-phosphate dehydrogenase (GapAB) and CP12 are two major players in controlling the inactivation of the Calvin cycle in land plants at night. GapB originated from a GapA gene duplication and differs from GapA by the presence of a specific C-terminal extension that was recruited from CP12. While GapA and CP12 are assumed to be generally present in the Plantae (glaucophytes, red and green algae, and plants), up to now GapB was exclusively found in Streptophyta, including the enigmatic green alga Mesostigma viride. However, here we show that two closely related prasinophycean green algae, Ostreococcus tauri and Ostreococcus lucimarinus, also possess a GapB gene, while CP12 is missing. This remarkable finding either antedates the GapA/B gene duplication or indicates a lateral recruitment. Moreover, Ostreococcus is the first case where the crucial CP12 function may be completely replaced by GapB-mediated GapA/B aggregation. © 2007 Springer Science+Business Media, LLC.
Authors & Co-Authors
Petersen, Jörn
Germany, Braunschweig
Technische Universität Braunschweig
Brinkmann, Henner
Canada, Montreal
University of Montreal
Rouzé, Pierre
Belgium, Ghent
Vlaams Instituut Voor Biotechnologie
Belgium, Ghent
Universiteit Gent
Van de Peer, Y.
Belgium, Ghent
Vlaams Instituut Voor Biotechnologie
Belgium, Ghent
Universiteit Gent
Statistics
Citations: 20
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1007/s00239-006-0159-y
ISSN:
00222844
Research Areas
Genetics And Genomics