Expanding the known diversity and environmental distribution of an uncultured phylogenetic division of bacteria

Article Abstract:

Researchers have identified a new division-level candidate phylogenetic group of Bacteria in a contaminated aquifer. 16S rRNA sequences show at least 60 members of the group, which is called WS6. The genetic divergence is the largest of any known bacterial division.

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New perspective on uncultured bacterial phylogenetic division OP11

Article Abstract:

Organisms of OP11 candidate phylogenetic division of bacteria are found in rRNA-based sequence surveys of environmental samples. Widespread environmental distribution of samples of bacterial divisions of OD1 OP11 shows potentially important biogeochemical roles for these organisms in their environments.

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Unexpected diversity and complexity of the Guerrero Negro hypersaline microbial mat

Article Abstract:

Nucleic acid-based molecular methods, combined with estimates of biomass (ATP), pigments, and microelectrode measurements of chemical gradients, are applied to map microbial diversity vertically on a millimeter scale in a hypersaline microbial mat from Guerrero Negro, Baja California Sur, Mexico. The analysis has revealed unexpected diversity, complexity and structure within the mat.

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