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Abstract

A Gram-stain-negative, non-motile, aerobic rod, designated 8604S-37, was isolated from an outdoor air sample collected in Suwon region, Republic of Korea. The isolate was catalase-positive and oxidase-negative. 16S rRNA gene sequence analysis indicated that strain 8604S-37 was most closely related to NA10B and RF3, with which it shared 97.0 % 16S rRNA gene sequence similarity. Strain 8604S-37 grew at 10–37 °C (optimum 28 °C; no growth occurred at 4 or 40 °C) and pH 5–9 (optimum pH 7). The strain tolerated up to 3 % NaCl (w/v) (optimum 0 %). The only respiratory quinone was ubiquinone-8 (Q-8). The polar lipid profile comprised phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and one unknown aminolipid. The major fatty acids were C, summed feature 3 (comprising Cω7 and/or iso-C 2-OH), summed feature 8 (Cω6 and/or Cω7) and C cyclo, and the predominant hydroxy fatty acid was C 3-OH. Strain 8604S-37 exhibited less than 50 % DNA–DNA relatedness with KACC 13856 and KACC 16857. The DNA G+C content was 65 mol%. Strain 8604S-37 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 8604S-37 ( = KACC 16536 = NBRC 108926). An emended description of the genus is also proposed.

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2014-02-01
2020-01-21
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