Altererythrobacter atlanticus sp. nov., isolated from deep-sea sediment

Yue Hong Wu, Lin Xu, Fan Xu Meng, Dong Sheng Zhang, Chun Sheng Wang, Aharon Oren, Xue Wei Xu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

A Gram-stain-negative, short rod-shaped bacterium, designated 26DY36T, was isolated from a deep-sea sediment sample collected from the North Atlantic Rise. The isolate required NaCl and grew best with 2 % (w/v) sea salts at a temperature of 30-35 °C and at pH 7.0. It formed yellow colonies, produced carotenoid-like pigments and did not produce bacteriochlorophyll a. Strain 26DY36T was positive for hydrolysis of aesculin, gelatin, tyrosine and Tweens 20, 40, 60 and 80, but negative for hydrolysis of casein, DNA and starch. The major respiratory quinone was ubiquinone-10. The major polar lipid profile consisted of sphingoglycolipid, diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine and two unidentified glycolipids. The principal fatty acids (>5 %) were C18: 1ω7c, C17: 1ω6c, C15: 0 2-OH and C16: 0. The genomic DNA G+C content was 59.4 mol%. Phylogenetic analysis based on the 16S rRNA gene sequences indicated that strain 26DY36T should be assigned to the genus Altererythrobacter. 16S rRNA gene sequence similarities between the isolate and the type strains of species of the genus Altererythrobacter were in the range 92.7-96.5 %. On the basis of phenotypic and genotypic data, strain 26DY36T represents a novel species of the genus Altererythrobacter, for which the name Altererythrobacter atlanticus sp. nov. (type strain, 26DY36T = CGMCC 1.12411T = JCM 18865T) is proposed.

Original languageAmerican English
Article number052951
Pages (from-to)116-121
Number of pages6
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume64
Issue numberPART 1
DOIs
StatePublished - Jan 2014

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