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Journal Article

Genetic diversity of Rhodopirellula strains

MPS-Authors
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Frank,  C. S.
Department of Microbiology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Klockow,  C.
Microbial Genomics Group, Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Richter,  M.
Microbial Genomics Group, Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Glöckner,  F. O.
Microbial Genomics Group, Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Harder,  J.
Department of Microbiology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Citation

Frank, C. S., Klockow, C., Richter, M., Glöckner, F. O., & Harder, J. (2013). Genetic diversity of Rhodopirellula strains. Antonie van Leeuwenhoek International Journal of General and Molecular Microbiology, 104(4 Sp. Iss. SI), 547-550.


Cite as: https://hdl.handle.net/21.11116/0000-0001-C651-4
Abstract
Rhodopirellula baltica SH1(T) is a marine planctomycete with 7,325 genes in its genome. Ten strains of the genus Rhodopirellula were studied in whole genome microarray experiments to assess the extent of their genetic relatedness to R. baltica SH1(T). DNA of strains which were previously affiliated with the species R. baltica (OTU A) hybridized with 3,645-5,728 genes of the type strain on the microarray. Strains SH398 and 6C (OTU B), representing a closely related species with an average nucleotide identity of 88 %, showed less hybridization signals: 1,816 and 3,302 genes gave a hybridization signal, respectively. Comparative genomics of eight permanent draft genomes revealed the presence of over 4,000 proteins common in R. baltica SH1(T) and strains of OTU A or B. The genus Rhodopirellula is characterized by large genomes, with over 7,000 genes per genome and a core genome of around 3000 genes. Individual Rhodopirellula strains have a large portion of strain-specific genes.