1887

Abstract

Two lactic acid-producing, Gram-stain-positive rods were isolated from a microbial mat actively growing in the littoral zone of an Antarctic lake (Forlidas Pond) in the Pensacola mountains and studied using a polyphasic taxonomic approach. The isolates were examined by phylogenetic analysis of the 16S rRNA gene, multilocus sequence analysis of , and , and biochemical and genotypic characteristics. One strain, designated LMG 26641, belonged to and the other strain, designated LMG 26642, could be assigned to a novel species, with DSM 5970 as its closest phylogenetic neighbour (99.2 % 16S rRNA gene sequence similarity). sp. nov. could be distinguished biochemically from other members of the genus by the lack of acid production from carbohydrates. DNA–DNA relatedness confirmed that strain LMG 26642 represented a novel species, for which we propose the name sp. nov. (type strain is LMG 26642  = CCUG 62000).

Funding
This study was supported by the:
  • , Research Foundation-Flanders
  • , Belgian Science Policy Office
  • , BelSPO AMBIO project
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2013-04-01
2020-09-29
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