Genomic adaptations of novel halotolerant bacteria from extreme North Greenland

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ID: 321350
2026
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Abstract
Abstract Peary Land, northern-most Greenland, is a cold desert region whose soil microbiome remains underexplored. This is the first study to explore the halotolerant soil microbiome of this region with culture-dependent methods. Forty-nine taxonomically diverse bacterial isolates were obtained from dry soil biocrust, surface soil and permafrost soil. Nine isolates were selected for whole genome sequencing; these genomes showed adaptations to their cold, saline native environment, such as cold shock proteins and a large number of osmoprotectant transporters. The genomes also contained several biosynthetic gene clusters, including a large variety of clusters putatively involved in the production of antimicrobial compounds. Furthermore, most of the sequenced genomes showed low digital DNA-DNA hybridisation to their closest relatives, suggesting that they represent novel species. Overall, this study demonstrates the unexplored potential of High Arctic deserts as a source of novel halotolerant bacteria and their secondary metabolites.
Reference Key
openalex_W7169025863 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Miguel Ángel Salinas-García, Anders Priemé
Journal fems microbiology ecology
Year 2026
DOI
10.1093/femsec/fiag073
URL
https://doi.org/10.1093/femsec/fiag073
Keywords Keywords not found

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