1887

Abstract

On the basis of phenotypic and genotypic characteristics, a novel species belonging to the genus is described. A facultatively psychrophilic, Gram-negative, aerobic, rod-shaped strain, A37, was isolated from alpine glacier cryoconite. The non-flagellated and non-spore-forming isolate grew over a temperature range of 1–25 °C, showed activities of oxidase, catalase, DNase, protease (gelatin, casein), amylase, -glucosidase, -galactosidase and -lactamase and degraded oil hydrocarbons. A distinct optimum temperature of 15 °C was observed for both protease production and oil hydrocarbon biodegradation. Analysis of 16S rDNA revealed that strain A37 represents a distinct taxon within . DNA from strain A37 showed only 19·7 % genetic relatedness to the DNA of . The DNA G+C content was 43·4 mol%. Dominant fatty acids (51 %) were iso-15 : 0 2-OH and 16 : 17. The strain is assigned to a novel species, for which the name sp. nov. is proposed, with A37 (=DSM 14825=LMG 21415) as the type strain.

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2003-09-01
2020-06-04
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