Actions for MILLIMETER-SCALE GENETIC GRADIENTS AND COMMUNITY-LEVEL MOLECULAR CONVERGENCE IN A HYPERSALINE MICROBIAL MAT [electronic resource].

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MILLIMETER-SCALE GENETIC GRADIENTS AND COMMUNITY-LEVEL MOLECULAR CONVERGENCE IN A HYPERSALINE MICROBIAL MAT [electronic resource].

Published
Berkeley, Calif. : Lawrence Berkeley National Laboratory, 2008.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Lawrence Berkeley National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
To investigate the extent of genetic stratification in structured microbial communities, we compared the metagenomes of 10 successive layers of a phylogenetically complex hypersaline mat from Guerrero Negro, Mexico. We found pronounced millimeter-scale genetic gradients that are consistent with the physicochemical profile of the mat. Despite these gradients, all layers displayed near identical and acid-shifted isoelectric point profiles due to a molecular convergence of amino acid usage indicating that hypersalinity enforces an overriding selective pressure on the mat community.
Report Numbers
E 1.99:lbnl-327e
lbnl-327e
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Note
Published through SciTech Connect.
04/30/2008.
"lbnl-327e"
Molecular Systems Biology 4 198 FT
Ivanova, Natalia; Hugenholtz, Philip; Bork, Peer; Kunin, Victor; Raes, Jeroen; Fenner, Marsha W; Harris, J. Kirk; Spear, John R.; Walker, Jeffrey J.; Mering, Christian von; Bebout, Brad M.; Pace, Norman R.
Genomics Division
Funding Information
DE-AC02-05CH11231
View MARC record | catkey: 13808881