Comparative Genomic Analysis of Arctic Permafrost Bacterium Nesterenkonia sp. PF2B19 to Gain Insights into Its Cold Adaptation Tactic and Diverse Biotechnological Potential

Purnima Singh, Neelam Kapse, Vasudevan Gowdaman, Masaharu Tsuji, Shiv Mohan Singh and Prashant K. Dhakephalkar
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Purnima Singh: Parvatibai Chowgule College of Arts and Science, Goa 403602, India
Neelam Kapse: Maharashtra Association for Cultivation of Science, Agharkar Research Institute, G.G. Agarkar Road, Pune 411004, India
Vasudevan Gowdaman: Maharashtra Association for Cultivation of Science, Agharkar Research Institute, G.G. Agarkar Road, Pune 411004, India
Masaharu Tsuji: Department of Materials Chemistry, National Institute of Technology, Asahikawa College, Hokkaido 071-8142, Japan
Shiv Mohan Singh: Department of Botany, Institute of Science, Banaras Hindu University, Varanasi 221005, India
Prashant K. Dhakephalkar: Maharashtra Association for Cultivation of Science, Agharkar Research Institute, G.G. Agarkar Road, Pune 411004, India

Sustainability, 2021, vol. 13, issue 8, 1-17

Abstract: Nesterenkonia sp. PF2B19, a psychrophile was isolated from 44,800-year-old permafrost soil. This is the first report on comparative genomics of Nesterenkonia sp. isolated from Arctic. Genome of PF2B19 exhibited the presence of a vast array of genetic determinants involved in cold adaptation i.e., response to cold-associated general, osmotic, and oxidative stress. These genomic attributes proved to be valuable in unraveling the adaptive tactics employed by PF2B19 for survival in the cold permafrost soils of the Arctic. Genomic analysis of PF2B19 has given some valuable insight into the biotechnological potential of this strain, particularly as a source of cold-active enzymes, as a bioremediating agent and as plant growth-promoting bacteria.

Keywords: Nesterenkonia sp.; permafrost; comparative genomics; cold adaptation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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