1887

Abstract

A yellow-pigmented bacterium, designated strain GZJT-2, was isolated from the stem of (Thunb.) Prantl et Kündig collected from Taibai Mountain in Shaanxi Province, north-west China. Cells of strain GZJT-2 were Gram-reaction-negative, strictly aerobic, rod-shaped, non-spore-forming and non-motile. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain GZJT-2 was a member of the genus , with sequence similarities of 92.1–96.9 % to type strains of recognized species of the genus (92.1 % to SY-6 and 96.9 % to JCM 12082). Strain GZJT-2 contained ubiquinone-10 (Q-10) as the predominant respiratory quinone and -homospermidine as the major polyamine. The major cellular fatty acids were summed feature 8 (comprising Cω7 and/or Cω6), summed feature 3 (comprising Cω7 and/or Cω6), C and C 2-OH. Phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylmonomethylethanolamine, phosphatidylcholine, sphingoglycolipid, four unidentified phospholipids, an unidentified aminolipid and four unidentified lipids were detected in the polar lipid profile. The DNA G+C content was 62.5 ± 0.3 mol%. On the basis of data from phenotypic, phylogenetic and DNA–DNA relatedness studies, strain GZJT-2 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is GZJT-2 ( = CCTCC AB 2013304 = KCTC 42739).

Funding
This study was supported by the:
  • 863 program (Award 2013AA102802)
  • the National Natural Science Foundation of China (Award 31100001)
  • the Opening Project of the State Key Laboratory of Crop Stress Biology for Arid Areas (Award 31300158)
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2015-11-01
2021-10-24
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