Virgibacillus arcticus sp. nov., a moderately halophilic, endospore-forming bacterium from permafrost in the Canadian high Arctic Niederberger, Thomas D. and Steven, Blaire and Charvet, Sophie and Barbier, Beatrice and Whyte, Lyle G.,, 59, 2219-2225 (2009), doi = https://doi.org/10.1099/ijs.0.002931-0, publicationName = Microbiology Society, issn = 1466-5026, abstract= A novel, moderately halophilic, endospore-forming bacterial strain, designated Hal 1T, was isolated from a permafrost core collected from the Canadian high Arctic. The temperature for growth of strain Hal 1T was 0–30 °C with no growth observed at either −5 or 37 °C (optimum growth at about 25 °C). Strain Hal 1T was able to grow at NaCl concentrations of 0–20 % (w/v) and did not have an absolute NaCl requirement for growth; optimal growth was at 5 % (w/v) NaCl. The level of 16S rRNA gene sequence similarity between strain Hal 1T and the type strains of Virgibacillus carmonensis and Virgibacillus necropolis was 98.2 %; values with respect to the type strains of other recognized Virgibacillus species were below 96.0 %. The DNA G+C content of strain Hal 1T was 38.2 mol%. Levels of DNA–DNA relatedness between strain Hal 1T and the type strains of V. carmonensis and V. necropolis were 14.0 and 21.0 %, respectively. The major fatty acid of strain Hal 1T was anteiso-C15 : 0, consistent with species of the genus Virgibacillus. The cell-wall peptidoglycan of strain Hal 1T was type A1α and the major respiratory quinone was MK-7. On the basis of genotypic and physiological results, strain Hal 1T (=DSM 19574T=JCM 14839T) is proposed as the type strain of a novel species of the genus Virgibacillus, namely Virgibacillus arcticus sp. nov., language=, type=