1887

Abstract

A novel Gram-negative, aerobic, motile and rod-shaped bacterium was isolated from Qurugöl Lake located in a mountainous region near Tabriz city in the north-west of Iran. Growth occurred at pH 6–10 (optimum, pH 7±0.5) and at 10–40 °C (optimum, 30 °C). Strain RCRI4 was able to grow in the absence and presence of NaCl to 3 % (w/v). The major fatty acids were C, Cω7/Ciso3-OH, Cω8 and C. The G+C content of genomic DNA was 45.3 mol%. Based on the 16S rRNA and gene sequences, phylogenetic analyses indicated that strain RCRI4 associated with the genus , and closely related type strains include BLO6 (97.8 %), B11 (97.7 %), BA131 (97.5 %), CCUG 30811 (97.3 %) and MS1 (97.1 %). The level of DNA–DNA relatedness between strain RCRI4 and phylogenetically the closest related strains, BLO6 and BA131, was 9 and 14 %, respectively. On the basis of phenotypic, chemotaxonomic and phylogenetic results, it is suggested that strain RCRI4 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is RCRI4 ( = LMG 26473 = JCM 17275 = KCTC 23723).

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2012-08-01
2019-10-19
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