Halomonas zincidurans sp. nov., a heavy-metaltolerant bacterium isolated from the deep-sea environment

Lin Xu, Xue Wei Xu*, Fan Xu Meng, Ying Yi Huo, Aharon Oren, Jun Yi Yang, Chun Sheng Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

A Gram-stain-negative, aerobic, rod-like, motile by peritrichous flagella and moderately halophilic bacterium, designated strain B6T, was isolated a deep-sea sediment collected from the South Atlantic Ocean. The isolate grew with 0.5-15% (w/v) NaCl, at 4-37 °C and pH 5.0-8.5 and showed a high tolerance to zinc, manganese, cobalt and copper ions. The major fatty acids were C16: 0, C19: 0 cyclo ω8c, C12: 0 3-OH and C12: 0. The predominant ubiquinone was Q-9. The genomic DNA G+C content was 61.1 mol%. Phylogenetic analysis based on 16S rRNA gene comparisons indicated that strain B6T belonged to the genus Halomonas, and the closest relative was Halomonas xinjiangensis TRM 0175T (96.1%). Based upon the phenotypic, chemotaxonomic and genetic data, strain B6T represents a novel species from the genus Halomonas, for which the name Halomonas zincidurans sp. nov. is proposed. The type strain is B6T (5CGMCC 1.12450T5JCM 18472T).

Original languageAmerican English
Pages (from-to)4230-4236
Number of pages7
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume63
Issue numberPART 11
DOIs
StatePublished - Nov 2013

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