Environmental Adaptation of Psychrophilic Bacteria Subtercola spp. Isolated from Various Cryospheric Habitats
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Title
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Environmental Adaptation of Psychrophilic Bacteria Subtercola spp. Isolated from Various Cryospheric Habitats
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Other Titles
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다양한 빙권 서식처에서 분리된 호냉성 세균 Subtercola spp.의 환경적응 연구
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Authors
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Cho, Yong-Joon
이한별
Cho, Ahnna
Kim, Ok-Sun
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Keywords
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Adaptation; Comparative genomics; Cryosphere; Ecotype; Psychrophile Subtercola spp.; Transcriptome
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Issue Date
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2023
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Citation
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Cho, Yong-Joon, et al. 2023. "Environmental Adaptation of Psychrophilic Bacteria Subtercola spp. Isolated from Various Cryospheric Habitats". JOURNAL OF MICROBIOLOGY, 61(7): 663-672.
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Abstract
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Subtercola boreus K300T is a novel psychrophilic strain that was isolated from permanently cold groundwater in Finland and has also been found in several places in Antarctica including lake, soil, and rocks. We performed genomic and transcriptomic analyses of 5 strains from Antarctica and a type strain to understand their adaptation to different environments. Interestingly, the isolates from rocks showed a low growth rate and smaller genome size than strains from the other isolation sources (lake, soil, and groundwater). Based on these habitat-dependent characteristics, the strains could be classified into two ecotypes, which showed differences in energy production, signal transduction, and transcription in the clusters of orthologous groups of proteins (COGs) functional category. In addition, expression pattern changes revealed differences in metabolic processes, including uric acid metabolism, DNA repair, major facilitator superfamily (MFS) transporters, and xylose degradation, depending on the nutritional status of their habitats. These findings provide crucial insights into the environmental adaptation of bacteria, highlighting genetic diversity and regulatory mechanisms that enable them to thrive in the cryosphere.
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URI
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https://repository.kopri.re.kr/handle/201206/14923
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DOI
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http://dx.doi.org/10.1007/s12275-023-00068-y
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Type
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Article
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Station
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Jang Bogo Station
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Indexed
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SCIE
- Appears in Collections
- 2023-2023, Ecophysiology of Antarctic terrestrial organisms to reveal mechanisms of adaptation to changing environment (23-23) / Lee, Hyoungseok (PE23130)
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