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Phylogeny of Thioploca and Related Filamentous Sulfide-Oxidizing Bacteria

Elsevier

Systematic and Applied Microbiology

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Summary

The phylogenetic relationships of three Thioploca species, T. araucae, T. chileae and T. ingrica, as well as Beggiatoa alba, Beggiatoa sp. str 1401-13, and Thiothrix nivea were determined by 16S rRNA sequence analysis. Fluorescent in situ hybridization with Thioploca-specific oligonucleotide probes was used to substantiate the sequences of T. araucae and T. chileae. All three Thioploca species form a monophyletic group. They are affiliated with Beggiatoa alba and Beggiatoa sp. str 1401-13. Thioploca and Beggiatoa constitute a new phylogenetic lineage within the gamma-subdivision of the proteobacteria, showing similar genetic diversity as other major groups of gamma- or beta-subdivision sulfur oxidizers. Thiothrix nivea is a member of the gamma proteobacteria, but does not form a monophyletic lineage with Beggiatoa and Thioploca.

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  • Cited by (68)

    *

    Present Address: Department of Microbial Ecology, Institute of Biological Sciences, Aarhus University, Aarhus, Denmark

    a

    Andreas Teske, Molecular Ecology Group, Max-Planck-Institute for marine Microbiology, Fahrenheitstr. 1, D-28359 Bremen, Germany

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