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Volume 67, Issue 8

sp. nov., isolated from biological soil crusts Free

Abstract

A yellow-pigmented, Gram-stain-negative, short-rod-shaped bacterial strain, MIMD3, was isolated from biological soil crusts collected in Liangcheng, north-western China. Cell growth could be observed at 10–37 °C (optimum 25 °C), at pH 5–8 (optimum 6.6) and in the presence of 1 % (w/v) NaCl (optimum 0 %). The genomic DNA G+C content was 65.0 mol%. Analysis of 16S rRNA gene sequences showed that strain MIMD3 shared the highest similarity with KCTC 42454 (95.1 %), JCM 12082 (94.8 %), IFO 15500 (94.5 %), ATCC 15260 (94.4 %) and CC-Nfb-2 (94.3 %). The strain had Q-10 as the predominant respiratory quinone, and -homospermidine as the major polyamine. The major fatty acids of the strain were summed feature 8 (Cω7 and/or Cω6), C cyclo 8, C 2-OH and C. The main polar lipids of strain MIMD3 were phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine and sphingoglycolipid. Based on phenotypic, chemotaxonomic and phylogenetic characteristics, it is concluded that strain MIMD3 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is MIMD3 (=KCTC 42801=MCCC 1K01310).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): biological soil crusts , proteobacteria and Sphingomonas
© 2017 IUMS
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2017-08-01
2024-04-25
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Sphingomonas crusticola sp. nov., isolated from biological soil crusts
Int J Syst Evol Microbiol 67, 3033 (2017); https://doi.org/10.1099/ijsem.0.002074
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