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Deinococcus aluminii sp. nov., isolated from an automobile air conditioning system.

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A Gram-stain-positive and pale pink-pigmented bacterial strain, designated ID0501T, was isolated from an automobile evaporator core collected in the Republic of Korea. The cells were aerobic and coccoidal. The strain… Click to show full abstract

A Gram-stain-positive and pale pink-pigmented bacterial strain, designated ID0501T, was isolated from an automobile evaporator core collected in the Republic of Korea. The cells were aerobic and coccoidal. The strain grew at 15-40 ˚C (optimum, 37 ˚C), at pH 6.0-7.0 (optimum, pH 6.5), and in the presence of 0-1.5 % (w/v) NaCl. Phylogenetically, the strain was related to members of the genus Deinococcus and showed the highest sequence similarity, of 96.9 %, with Deinococcus metallilatus MA1002T. The major fatty acids of the strain were iso-C17 : 0, iso-C15 : 0 and iso-C13 : 0. The predominant respiratory quinone was MK-8. The polar lipids profile revealed the presence of phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, diphosphatidylglycerol, unidentified phospholipids, an unidentified aminolipid and unidentified glycolipids. The DNA G+C content of the strain was 68.3 mol%. On the basis of phenotypic, genotypic and chemotaxonomic data, strain ID0501T represents a novel species of the genus Deinococcus, for which the name Deinococcusaluminii sp. nov. (=KACC 19286T=NBRC 112889T) is proposed.

Keywords: deinococcus; deinococcus aluminii; strain; isolated automobile; aluminii nov

Journal Title: International journal of systematic and evolutionary microbiology
Year Published: 2018

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