Viral clones from the GOS expedition with an unusual photosystem-I gene cassette organization
Identifieur interne : 000296 ( Ncbi/Checkpoint ); précédent : 000295; suivant : 000297Viral clones from the GOS expedition with an unusual photosystem-I gene cassette organization
Auteurs : Oded Béjà [Israël] ; Svetlana Fridman [Israël] ; Fabian Glaser [Israël]Source :
- The ISME Journal [ 1751-7362 ] ; 2012.
Abstract
Cyanobacteria have a key role in marine photosynthesis, which contributes to the global carbon cycle and to the world oxygen supply. Genes encoding for photosystem-II (PSII) and photosystem-I (PSI) reaction centers are found in different cyanophage genomes, and it was suggested that the horizontal transfer of these genes might be involved in increasing phage fitness. We have further analyzed a rare viral Global Ocean Sampling (GOS) clone containing PSI genes. This clone contains the unusual PSI gene organization
Url:
DOI: 10.1038/ismej.2012.23
PubMed: 22456446
PubMed Central: 3400403
Affiliations:
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<author><name sortKey="Beja, Oded" sort="Beja, Oded" uniqKey="Beja O" first="Oded" last="Béjà">Oded Béjà</name>
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<country xml:lang="fr">Israël</country>
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<author><name sortKey="Fridman, Svetlana" sort="Fridman, Svetlana" uniqKey="Fridman S" first="Svetlana" last="Fridman">Svetlana Fridman</name>
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, Haifa,<country>Israel</country>
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<country xml:lang="fr">Israël</country>
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<author><name sortKey="Glaser, Fabian" sort="Glaser, Fabian" uniqKey="Glaser F" first="Fabian" last="Glaser">Fabian Glaser</name>
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, Haifa,<country>Israel</country>
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<country xml:lang="fr">Israël</country>
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<author><name sortKey="Fridman, Svetlana" sort="Fridman, Svetlana" uniqKey="Fridman S" first="Svetlana" last="Fridman">Svetlana Fridman</name>
<affiliation wicri:level="1"><nlm:aff id="aff1"><institution>Faculty of Biology, Lorry I. Lokey Interdisciplinary Center for Life Sciences and Engineering, Technion - Israel Institute of Technology</institution>
, Haifa,<country>Israel</country>
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<country xml:lang="fr">Israël</country>
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<author><name sortKey="Glaser, Fabian" sort="Glaser, Fabian" uniqKey="Glaser F" first="Fabian" last="Glaser">Fabian Glaser</name>
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, Haifa,<country>Israel</country>
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<series><title level="j">The ISME Journal</title>
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<front><div type="abstract" xml:lang="en"><p>Cyanobacteria have a key role in marine photosynthesis, which contributes to the global carbon cycle and to the world oxygen supply. Genes encoding for photosystem-II (PSII) and photosystem-I (PSI) reaction centers are found in different cyanophage genomes, and it was suggested that the horizontal transfer of these genes might be involved in increasing phage fitness. We have further analyzed a rare viral Global Ocean Sampling (GOS) clone containing PSI genes. This clone contains the unusual PSI gene organization <italic>psaD</italic>
-><italic>C</italic>
-><italic>A</italic>
, as opposed to the more frequently observed viral <italic>psaJF</italic>
-><italic>C</italic>
-><italic>A</italic>
-><italic>B</italic>
-><italic>K</italic>
-><italic>E</italic>
-><italic>D</italic>
organization, and was detected only once in the GOS metagenome. Our analyses identified more occurrences with similar arrangement and indicate that this PSI viral gene organization (now <italic>psaD</italic>
-><italic>C</italic>
-><italic>A</italic>
-><italic>B</italic>
), although rare, is authentic and represents a new PSI gene arrangement.</p>
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<name sortKey="Glaser, Fabian" sort="Glaser, Fabian" uniqKey="Glaser F" first="Fabian" last="Glaser">Fabian Glaser</name>
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