| Abstract |
A rod-shaped, round and white colony-forming strain AD18T was isolated from the soil on Halla mountain in Jeju Island, Republic of Korea. Comparative analysis of 16S rRNA gene sequence revealed that this strain was closely related to Burkholderia oklahomensis C6786T (98.8%), Burkholderia thailandensis KCTC 23190T (98.5%). DNA-DNA relatedness (14.6%) indicated that the strain AD18T represents a distinct species that is separate from B. oklahomensis C6786T. The isolate grew at pH 5.0-9.0 (optimum, pH 7.0), 0-3% (w/v) NaCl (optimum, 0%), and temperature 10-40°C (optimum 35°C). The sole quinone of the strain was Q-8, and the predominant fatty acids were C16:0, C17:0 cyclo, and C19:0 cyclo ω8c. The genomic DNA G + C content of AD18T was 65.6 mol%. Based on these findings, strain AD18T is proposed to be a novel species in the genus Burkholderia, for which the name Burkholderia alba sp. nov. is proposed (= KCCM 43268T = JCM 32403T). The type strain is AD18T.
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