Phylogeny by a polyphasic approach of the order Caulobacterales, proposal of Caulobacter mirabilis sp. nov., Phenylobacterium haematophilum sp. nov. and Phenylobacterium conjunctum sp. nov., and emendation of the genus Phenylobacterium.
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Authors
Abraham, Wolf-RainerMacedo, Alexandre J
Lünsdorf, Heinrich
Fischer, Roman
Pawelczyk, Sonja
Smit, John
Vancanneyt, Marc
Issue Date
2008-08
Metadata
Show full item recordAbstract
Three strains of Gram-negative, rod-shaped, non-spore-forming bacteria were isolated from fresh water and human blood. As determined by analyses of 16S rRNA gene sequences, the prosthecate strain FWC 38T was affiliated to the alphaproteobacterial genus Caulobacter, with Caulobacter henricii (96.8 %) and Caulobacter fusiformis (96.8 %) as its closest relatives. The non-prosthecate strain LMG 11050T and the prosthecate strain FWC 21T both belonged to the genus Phenylobacterium with Phenylobacterium koreense (96.9 %) and Phenylobacterium immobile (96.3 %) as the closest relatives. This affiliation was supported by chemotaxonomic data (polar lipids and cellular fatty acids). Physiological and biochemical tests allowed genotypic and phenotypic differentiation of the novel strains from all hitherto recognized species of the genera Caulobacter and Phenylobacterium. The strains therefore represent novel species, for which the names Caulobacter mirabilis sp. nov. (type strain FWC 38T=LMG 24261T=CCUG 55073T), Phenylobacterium conjunctum (type strain FWC 21T=LMG 24262T=CCUG 55074T), the first described prosthecate Phenylobacterium species, and Phenylobacterium haematophilum sp. nov. (type strain LMG 11050T=CCUG 26751T) are proposed. Marker nucleotides within the 16S rRNA genes were determined for the genera Asticcacaulis, Brevundimonas, Caulobacter and Phenylobacterium and the description of the genus Phenylobacterium is emended.Citation
Phylogeny by a polyphasic approach of the order Caulobacterales, proposal of Caulobacter mirabilis sp. nov., Phenylobacterium haematophilum sp. nov. and Phenylobacterium conjunctum sp. nov., and emendation of the genus Phenylobacterium. 2008, 58 (Pt 8):1939-49 Int. J. Syst. Evol. Microbiol.Affiliation
Helmholtz Center for Infection Research, Chemical Microbiology, Inhoffenstrasse 7, Braunschweig, Germany. wab@gbf.dePubMed ID
18676485Type
ArticleLanguage
enISSN
1466-5026ae974a485f413a2113503eed53cd6c53
10.1099/ijs.0.65567-0
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