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Abstract

A bacterial strain, designated KBP-21, was isolated from a water sample taken from the Banping Lake Wetland Park in Taiwan and characterized in a taxonomic study using a polyphasic approach. Cells of strain KBP-21 were Gram-stain-negative, facultatively anaerobic, poly-β-hydroxybutyrate-accumulating, motile rods that formed yellow colonies. Growth occurred at 15–40 °C (optimum, 30 °C), at pH 5.0–8.0 (optimum, pH 8.0) and with 0–2 % NaCl (optimum, 0 %). Phylogenetic analyses based on 16S rRNA gene sequences showed that strain KBP-21 belonged to the genus within the family of the class and the closest related neighbour was 5YN8-15 with a 16S rRNA gene sequence similarity value of 96.4 %. Strain KBP-21 contained summed feature 3 (comprising Cω7 and/or Cω6), C and Cω7 as the predominant fatty acids. The major respiratory quinone was Q-8. The DNA G+C content of the genomic DNA was 62.1 mol%. The polar lipid profile consisted of a mixture of phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, one uncharacterized aminophospholipid and several uncharacterized phospholipids. On the basis of the genotypic, chemotaxonomic and phenotypic data, strain KBP-21 represents a novel species in the genus , for which the name sp. nov. is proposed. The type strain is KBP-21 ( = BCRC 80514 = LMG 27230 = KCTC 32182).

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2014-07-01
2020-08-12
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