Rhodobacter johrii sp. nov., an endospore-producing cryptic species isolated from semi-arid tropical soils

Girija, K. R., Sasikala, C., Ramana, C. V., Sproer, C., Takaichi, S., Thiel, Vera and Imhoff, Johannes F. (2010) Rhodobacter johrii sp. nov., an endospore-producing cryptic species isolated from semi-arid tropical soils International Journal of Systematic and Evolutionary Microbiology, 60 (9). pp. 2099-2107. DOI 10.1099/ijs.0.011718-0.

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Supplementary data:

Abstract

An oval to rod shaped phototrophic purple nonsulfur bacterium, strain JA192T was isolated from an enrichment culture of a pasteurized rhizosphere soil sample of jowar crop collected from Godumakunta village, near Hyderabad, India. Strain JA192T is Gram-negative, motile and produces endospores. Phylogenetic analysis on the basis of 16S rRNA gene sequences showed that the strain JA192T is closely related to Rhodobacter sphaeroides DSM 158T (99.9% sequence similarity), Rhodobacter megalophilus JA194T (99.8%) and Rhodobacter azotoformans JCM 9340T (98.1%) and clusters with other species of the genus Rhodobacter of the family Rhodobacteraceae. However, DNA-DNA hybridization with Rba. sphaeroides DSM 158T, Rba. megalophilus JA194T and Rba. azotoformans JCM 9320T showed a relatedness of only 38-57% with respect to JA192T. On the basis of 16S rRNA gene sequence analysis, DNA-DNA hybridization data, morphological, physiological and chemotaxanomic characters, strain JA192T represents a novel species of the genus Rhodobacter, for which the name Rhodobacter johrii sp. nov. is proposed. The type strain is JA192T (= DSM 18678T = JCM 14543T = MTCC 8172T).

Document Type: Article
Additional Information: The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain JA192T is AM398152. Further micrographs of strain JA192T, results of FTIR fingerprinting and a whole-cell absorption spectrum are available as supplementary material with the online version of this paper
Keywords: Microbiology; Rhodobacter johrii sp. nov.; ICM, internal cytoplasmic membrane, PHA, poly-β-hydroxyalkanoate
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-MI Marine Microbiology
Refereed: Yes
DOI etc.: 10.1099/ijs.0.011718-0
ISSN: 1466-5026
Date Deposited: 06 Dec 2010 14:05
Last Modified: 30 May 2017 09:39
URI: http://eprints.uni-kiel.de/id/eprint/10349

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