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Tuwongella immobilis gen. nov., sp nov., a novel non-motile bacterium within the phylum Planctomycetes
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Cell and Molecular Biology, Molecular Evolution.
Univ Queensland, Sch Chem & Mol Biosci, Australian Ctr Ecogen, Brisbane, Qld 4072, Australia..
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Cell and Molecular Biology, Molecular Evolution.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Cell and Molecular Biology, Molecular Evolution.
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2017 (English)In: International Journal of Systematic and Evolutionary Microbiology, ISSN 1466-5026, E-ISSN 1466-5034, Vol. 67, no 12, p. 4923-4929Article in journal (Refereed) Published
Abstract [en]

A gram-negative, budding, catalase negative, oxidase positive and non-motile bacterium (MBLW1(T)) with a complex endomembrane system has been isolated from a freshwater lake in southeast Queensland, Australia. Phylogeny based on 16S rRNA gene sequence analysis places the strain within the family Planctomycetaceae, related to Zavarzinella formosa (93.3 %), Telmatocola sphagniphila (93.3 %) and Gemmata obscuriglobus (91.9 %). Phenotypic and chemotaxonomic analysis demonstrates considerable differences to the type strains of the related genera. MBLW1(T) displays modest salt tolerance and grows optimally at pH values of 7.5-8.0 and at temperatures of 32-36 degrees C. Transmission electron microscopy analysis demonstrates the presence of a complex endomembrane system, however, without the typically condensed nucleoid structure found in related genera. The major fatty acids are 16 : 1 omega 5c, 16 : 0 and 18 : 0. Based on discriminatory results from 16S rRNA gene sequence analysis, phenotypic, biochemical and chemotaxonomic analysis, MBLW1(T) should be considered as a new genus and species, for which the name Tuwongella immobilis gen. nov., sp. nov. is proposed. The type strain is MBLW1(T) (=CCUG 69661(T) =DSM 105045(T)).

Place, publisher, year, edition, pages
MICROBIOLOGY SOC , 2017. Vol. 67, no 12, p. 4923-4929
Keyword [en]
Planctomycetes, freshwater bacteria, nucleoid, phylogeny, fatty acids
National Category
Microbiology
Identifiers
URN: urn:nbn:se:uu:diva-340273DOI: 10.1099/ijsem.0.002271ISI: 000417933700007OAI: oai:DiVA.org:uu-340273DiVA: diva2:1179117
Funder
Swedish Research Council, 349-2007-8732, 621-2014-4460Knut and Alice Wallenberg Foundation, 2011.0148, 2012.0075Australian Research Council
Available from: 2018-01-31 Created: 2018-01-31 Last updated: 2018-01-31Bibliographically approved

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