CyberinfraV1, Main, Exploration, bibRecord, 000453

Viral clones from the GOS expedition with an unusual photosystem-I gene cassette organization

Identifieur interne : 000453 ( Main/Exploration ); précédent : 000452; suivant : 000454

Viral 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.

RBID : PMC:3400403

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 psaD->C->A, as opposed to the more frequently observed viral psaJF->C->A->B->K->E->D 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 psaD->C->A->B), although rare, is authentic and represents a new PSI gene arrangement.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3400403

DOI: 10.1038/ismej.2012.23
PubMed: 22456446
PubMed Central: 3400403

Affiliations:

Israël

Le document en format XML

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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>
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Viral clones from the GOS expedition with an unusual photosystem-I gene cassette organization

Viral clones from the GOS expedition with an unusual photosystem-I gene cassette organization

Source :

Abstract

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