CyberinfraV1, Main, Exploration, bibRecord, 000D64

Occurrence and Expression of Gene Transfer Agent Genes in Marine Bacterioplankton▿

Identifieur interne : 000D64 ( Main/Exploration ); précédent : 000D63; suivant : 000D65

Occurrence and Expression of Gene Transfer Agent Genes in Marine Bacterioplankton▿

Auteurs : Erin J. Biers ; Kui Wang ; Catherine Pennington ; Robert Belas ; Feng Chen ; Mary Ann Moran

Source :

Applied and Environmental Microbiology [ 0099-2240 ] ; 2008.

RBID : PMC:2394915

Abstract

Genes with homology to the transduction-like gene transfer agent (GTA) were observed in genome sequences of three cultured members of the marine Roseobacter clade. A broader search for homologs for this host-controlled virus-like gene transfer system identified likely GTA systems in cultured Alphaproteobacteria, and particularly in marine bacterioplankton representatives. Expression of GTA genes and extracellular release of GTA particles (∼50 to 70 nm) was demonstrated experimentally for the Roseobacter clade member Silicibacter pomeroyi DSS-3, and intraspecific gene transfer was documented. GTA homologs are surprisingly infrequent in marine metagenomic sequence data, however, and the role of this lateral gene transfer mechanism in ocean bacterioplankton communities remains unclear.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2394915

DOI: 10.1128/AEM.02129-07
PubMed: 18359833
PubMed Central: 2394915

Affiliations:

Le document en format XML

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<author><name sortKey="Chen, Feng" sort="Chen, Feng" uniqKey="Chen F" first="Feng" last="Chen">Feng Chen</name>
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<author><name sortKey="Moran, Mary Ann" sort="Moran, Mary Ann" uniqKey="Moran M" first="Mary Ann" last="Moran">Mary Ann Moran</name>
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<series><title level="j">Applied and Environmental Microbiology</title>
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<front><div type="abstract" xml:lang="en"><p>Genes with homology to the transduction-like gene transfer agent (GTA) were observed in genome sequences of three cultured members of the marine <italic>Roseobacter</italic>
 clade. A broader search for homologs for this host-controlled virus-like gene transfer system identified likely GTA systems in cultured <italic>Alphaproteobacteria</italic>
, and particularly in marine bacterioplankton representatives. Expression of GTA genes and extracellular release of GTA particles (∼50 to 70 nm) was demonstrated experimentally for the <italic>Roseobacter</italic>
 clade member <italic>Silicibacter pomeroyi</italic>
 DSS-3, and intraspecific gene transfer was documented. GTA homologs are surprisingly infrequent in marine metagenomic sequence data, however, and the role of this lateral gene transfer mechanism in ocean bacterioplankton communities remains unclear.</p>
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<tree><noCountry><name sortKey="Belas, Robert" sort="Belas, Robert" uniqKey="Belas R" first="Robert" last="Belas">Robert Belas</name>
<name sortKey="Biers, Erin J" sort="Biers, Erin J" uniqKey="Biers E" first="Erin J." last="Biers">Erin J. Biers</name>
<name sortKey="Chen, Feng" sort="Chen, Feng" uniqKey="Chen F" first="Feng" last="Chen">Feng Chen</name>
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<name sortKey="Pennington, Catherine" sort="Pennington, Catherine" uniqKey="Pennington C" first="Catherine" last="Pennington">Catherine Pennington</name>
<name sortKey="Wang, Kui" sort="Wang, Kui" uniqKey="Wang K" first="Kui" last="Wang">Kui Wang</name>
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Occurrence and Expression of Gene Transfer Agent Genes in Marine Bacterioplankton▿

Occurrence and Expression of Gene Transfer Agent Genes in Marine Bacterioplankton▿

Source :

Abstract

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