1887

Abstract

A pink-coloured bacterial strain, TAPP7, was isolated from a freshwater creek in Taiwan. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain TAPP7 belonged to the genus and showed highest similarity with B4Y-8 (97.6 %) and PR0008K (96.9 %). Cells of strain TAPP7 were Gram-staining-negative, aerobic, poly-β-hydroxybutyrate-accumulating and short-rod-shaped. Growth occurred at 10–30 °C (optimum, 15–20 °C), at pH 4–8 (optimum, pH 6) and with 0–1 % NaCl (optimum, 0.5 %). The predominant fatty acids were summed feature 3 (Cω7 and/or Cω6) and iso-C. The polar lipid profile consisted of phosphatidylethanolamine and several uncharacterized aminophospholipids and phospholipids. The major polyamine was homospermidine. The major isoprenoid quinone was MK-7. The DNA G+C content of the genomic DNA was 45.6 mol%. The DNA–DNA relatedness of strain TAPP7 with respect to B4Y-8 was less than 35 %. On the basis of the phylogenetic inference and phenotypic data, strain TAPP7 should be classified as a novel species, for which the name sp. nov. is proposed. The type strain is TAPP7 (=BCRC 80976=LMG 29556=KCTC 52238).

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2018-01-01
2019-12-11
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