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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
6
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pubmed:dateCreated |
2006-6-22
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pubmed:abstractText |
The cytochrome c550-deficient mutant (psbV-disruptant) of Synechocystis requires a high concentration of Cl(-) in the culture medium to support photosynthetic oxygen evolution. From this disruptant, we isolated spontaneous suppressor mutants that are able to grow photoautotrophically in the absence of Cl(-). Three independent mutations were identified: one was a deletion in slr0753 and two were a transposition of related insertion sequences in the same slr0753. The deduced product of slr0753 belongs to a novel group of the superfamily of ion efflux pumps and ion transporters. These results suggest that Slr0753 exports Cl(-) or a related anion, which is essential for PSII oxygen evolution.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0032-0781
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
47
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
799-804
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:16621843-Anion Transport Proteins,
pubmed-meshheading:16621843-Cells, Cultured,
pubmed-meshheading:16621843-Chlorides,
pubmed-meshheading:16621843-Cytochrome c Group,
pubmed-meshheading:16621843-Gene Expression Regulation, Bacterial,
pubmed-meshheading:16621843-Genes, Bacterial,
pubmed-meshheading:16621843-Mutation,
pubmed-meshheading:16621843-Oxygen,
pubmed-meshheading:16621843-Photosystem II Protein Complex,
pubmed-meshheading:16621843-Synechocystis
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pubmed:year |
2006
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pubmed:articleTitle |
Mutations in a putative chloride efflux transporter gene suppress the chloride requirement of photosystem II in the cytochrome c550-deficient mutant.
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pubmed:affiliation |
Department of Life Sciences (Biology), The University of Tokyo, Komaba 3-8-1, Meguro, Tokyo, 153-8902 Japan. teru@iam.u-tokyo.ac.jp
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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