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| Research article summary (published 13 Jul 2009): |
Rhodoplanes pokkaliisoli sp. nov., a phototrophic alphaproteobacterium isolated from a waterlogged brackish paddy soil.
Full Abstract
A Gram-negative, rod-shaped, purple non-sulfur bacterial strain, designated JA415T, was isolated from the mud of a pokkali rice field located on Vypeen Island, Ernakulam, Kerala, India. Strain JA415T was motile by means of a single polar flagellum. Photo- and chemo-organoheterotrophic growth was observed using organic compounds as carbon sources and electron donors. Photo- and chemolithoautotrophic growth using thiosulfate as electron donor did not occur. Fermentative growth could not be demonstrated. Intracellular photosynthetic membranes were lamellar stacks parallel to the cytoplasmic membrane. Bacteriochlorophyll a and carotenoids of the spirilloxanthin series were present as photosynthetic pigments. Niacin, pantothenate and p-aminobenzoate were required as growth factors. C18:1omega7c was the predominant cellular fatty acid component. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain JA415T clustered with members of the genus Rhodoplanes in the class Alphaproteobacteria. On the basis of phenotypic and molecular genetic evidence, it is proposed that strain JA415T be classified as a representative of a novel species of the genus Rhodoplanes, family Hyphomicrobiaceae, with the name Rhodoplanes pokkaliisoli sp. nov. The type strain is JA415T (=KCTC 5711T=NBRC 104972T).
Author information
Author/s: Lakshmi, K V N S (KV); Sasikala, Ch (Ch); Ramana, Ch V (ChV);
Affiliation: Bacterial Discovery Laboratory, Centre for Environment, Institute of Science and Technology, J. N. T. University, Kukatpally, Hyderabad 500 085, India.
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: International journal of systematic and evolutionary microbiology (Int J Syst Evol Microbiol), published in England. (Language: eng)
Reference: 2009-Sep; vol 59 (issue Pt 9) : pp 2153-7
Dates: Created 2009/09/04; Completed 2009/10/22;
PMID: 19605702, status: MEDLINE (last retrieval date: 10/22/2009, IMS Date: )
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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