1887

Abstract

Strains Cr9-30 and Cr9-12 were isolated from alpine glacier cryoconite. Both strains were Gram-negative-staining, non-motile, rod-shaped and psychrophilic, showing good growth over the temperature range 1–20 °C. Phylogenetic analysis of 16S rRNA gene sequences revealed that the two strains formed a distinct branch within the family and were most closely related to members of the genus . The 16S rRNA gene sequence similarity between strains Cr9-30 and Cr9-12 was 99.0 %. The two strains showed highest 16S rRNA gene sequence pairwise similarity with LMG 23965 (96.6 and 96.1 % for strains Cr9-30 and Cr9-12, respectively), LMG 23964 (96.5 and 96.3 %, respectively) and LMG 21973 (96.4 and 96.2 %, respectively). The predominant cellular fatty acids were summed feature 3 (Cω7 and/or iso-C 2-OH), C and Cω7. The DNA G+C content of strain Cr9-30 was 51.0 mol%. On the basis of phenotypic characteristics and phylogenetic analysis, strains Cr9-30 and Cr9-12 represent a novel species in a new genus of the family , for which the name gen. nov., sp. nov. is proposed. The type strain of is Cr9-30 ( = DSM 23240 = LMG 25547).

Funding
This study was supported by the:
  • Aktion D. Swarovski & Co. 2009’ at the University of Innsbruck
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2011-09-01
2024-04-18
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