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Alternate copies of D1 are used by cyanobacteria under different environmental conditions.
MedLine Citation:
PMID:  23143412     Owner:  NLM     Status:  Publisher    
All cyanobacteria sequenced to date have multiple psbA genes, encoding the D1 protein. Some of these psbA genes have a series of mutations that would seem to render D1 incapable of binding the Mn(4)CaO(5) metallocluster (Murray, Photosynth Res 110(3):177-184, 2012). Nonetheless, these genes are expressed under specific environmental conditions, such as during N(2) fixation in unicellular diazotrophs of the genes Cyanothece. These genes emphasize the clever way that cyanobacteria have learned to deal with a constantly changing environment.
Xiaohui Zhang; Louis A Sherman
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-11
Journal Detail:
Title:  Photosynthesis research     Volume:  -     ISSN:  1573-5079     ISO Abbreviation:  Photosyn. Res.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100954728     Medline TA:  Photosynth Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Biological Sciences, Purdue University, Lilly Hall of Life Sciences, West Lafayette, IN, 47907, USA.
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