Bacillus psychrophilus sp. nov., nom. rev.

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Abstract
Presumably because the name "Bacillus psychrophilus" Larkin and Stokes 1967 was considered to be a subjective synonym of Bacillus globisporus, it was not included on the Approved Lists of Bacterial Names and, therefore, has no standing in bacteriological nomenclature. The low deoxyribonucleic acid relatedness values of 8 to 36% found in the present study between "B. psychrophilus" and B. globisporus strains suggested that these two organisms are not closely related genetically. Moreover, the ability of "B. psychrophilus" strains to ferment d-mannitol, d-ribose, trehalose, and d-xylose, to reduce nitrate to nitrite, and to grow at 30°C and in 3% NaCl distinguished them phenotypically from B. globisporus strains. Based on the results of this study, revival of the name Bacillus psychrophilus is proposed. The type strain is strain NRRL NRS-1530.

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