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1 Laboratory of Microbiology, Department of Seafood Science, National Kaohsiung Marine University, 142 Hai-Chuan Rd, Nan-Tzu, Kaohsiung City 811, Taiwan
2 EMBRAPA-Agrobiologia, km 47, Seropedica, 23851-970 Rio de Janeiro, Brazil
3 Department of Soil Environmental Science, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan
4 College of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
5 Department of Biology, University of York, PO Box 373, York YO10 5YW, UK
6 Laboratorium voor Microbiologie, Universiteit Gent, K. L. Ledeganckstraat 35, B-9000 Gent, Belgium
Correspondence
Wen-Ming Chen
p62365{at}ms28.hinet.net
Two rhizobial strains, Br3407T and Br3405, were isolated from nitrogen-fixing nodules on the roots of Mimosa caesalpiniifolia, a legume tree native to Brazil. On the basis of 16S rRNA gene sequence similarities, both strains were shown previously to belong to the genus Burkholderia. A polyphasic approach, including DNA–DNA hybridizations, pulsed-field gel electrophoresis of whole-genome DNA profiles, whole-cell protein analyses, fatty acid methyl ester analysis and extensive biochemical characterization, was used to clarify the taxonomic position of these strains further; the strains are here classified within a novel species, for which the name Burkholderia sabiae sp. nov. is proposed. The type strain is strain Br3407T (=LMG 24235T =BCRC 17587T).
The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene sequences of strains Br3407T and Br3405 are respectively AY773186 and AY773185.
An extended neighbour-joining tree, detailed DNA–DNA hybridization results and fatty acid compositions of strain Br3407T and related strains are available as supplementary material with the online version of this paper.
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