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Burkholderia tropica sp. nov., a novel nitrogen-fixing, plant-associated bacterium.
Int. J. Syst. Evol. Microbiol. 54, 2155-2162 (2004)
In an ecological survey of nitrogen-fixing bacteria isolated from the rhizosphere and as endophytes of sugarcane, maize and teosinte plants in Brazil, Mexico and South Africa, a new phylogenetically homogeneous group of N2-fixing bacteria was identified within the genus Burkholderia. This polyphasic taxonomic study included microscopic and colony morphology, API 2ONE tests and growth on different culture media at different pH and temperatures, as well as carbon source assimilation tests and whole-cell protein pattern analysis. Analysis of 16S rRNA gene sequences showed 99.2-99.9 % similarity within the novel species and 97.2 % similarity to the closest related species, Burkholderia sacchari. The novel species was composed of four distinct amplified 16S rDNA restriction analysis groups. The DNA-DNA reassociation values within the novel species were greater than 70% and less than 42% for the closest related species, B. sacchari. Based on these results and on many phenotypic characteristics, a novel N2-fixing species is proposed for the genus Burkholderia, Burkholderia tropica sp. nov., with the type strain Ppe8T (=ATCC BAA-831T=LMG 22274T=DSM 15359T), B. tropica was isolated from plants grown in geographical regions with climates ranging from temperate subhumid to hot humid. © 2004 IUMS.
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Publication type
Article: Journal article
Document type
Scientific Article
ISSN (print) / ISBN
1466-5026
e-ISSN
1466-5034
Quellenangaben
Volume: 54,
Issue: 6,
Pages: 2155-2162
Publisher
SGM
Publishing Place
Reading
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Soil Ecology (IBOE)