Millimeter-scale genetic gradients and community-level molecular convergence in a hypersaline microbial mat.
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ABSTRACT:
SUBMITTER: Kunin V
PROVIDER: S-EPMC2483411 | biostudies-literature | 2008
REPOSITORIES: biostudies-literature
Publications
Millimeter-scale genetic gradients and community-level molecular convergence in a hypersaline microbial mat.
Kunin Victor V Raes Jeroen J Harris J Kirk JK Spear John R JR Walker Jeffrey J JJ Ivanova Natalia N von Mering Christian C Bebout Brad M BM Pace Norman R NR Bork Peer P Hugenholtz Philip P
Molecular systems biology 20080603
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 were 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, indica ...[more]
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