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Comparative Genomic Study of Polar Lichen-Associated Hymenobacter sp. PAMC 26554 and Hymenobacter sp. PAMC 26628 Reveals the Presence of Polysaccharide-Degrading Ability Based on Habitat

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Title
Comparative Genomic Study of Polar Lichen-Associated Hymenobacter sp. PAMC 26554 and Hymenobacter sp. PAMC 26628 Reveals the Presence of Polysaccharide-Degrading Ability Based on Habitat
Other Titles
남극과 북극의 지의류 공생 미생물 2종 (Hymenobacter sp. PAMC 26554 와 Hymenobacter sp. PAMC 26628) 의 유전체 비교분석 연구를 통해 서식지에 따른 당분해 효소의 차이를 규명
Authors
Ghimire, Nisha
Han, So-Ra
Kim, Byeollee
Park, Hyun
Lee, Jun Hyuck
Oh, Tae-Jin
Subject
Microbiology
Keywords
Biosample; Habitat; Hymenobacter; lichen; polar region; polysaccharide utilization
Issue Date
2020-07
Citation
Ghimire, Nisha, et al. 2020. "Comparative Genomic Study of Polar Lichen-Associated Hymenobacter sp. PAMC 26554 and Hymenobacter sp. PAMC 26628 Reveals the Presence of Polysaccharide-Degrading Ability Based on Habitat". CURRENT MICROBIOLOGY, 77(10): 2940-2952.
Abstract
The genus Hymenobacter is classified in the family Hymenobacteraceae under the phylum Bacteroidetes. They have been isolated from diverse environments, such as air, soil, and lichen, along with extreme polar environments, including the Arctic and Antarctic regions. The polar regions have attracted intense research interest for the discovery of novel microorganisms and their functions. Analysis of the polysaccharide utilization-related carbohydrate-active enzyme among the two lichen-associated polar organisms Hymenobacter sp. PAMC 26554 and Hymenobacter sp. PAMC 26628 was performed, along with its comparison with the complete genome of the same genus available in the NCBI database. The study was conducted relying on the AZCL screening data for the two polar lichen-associated species. While comparing with eight other complete genomes, differences in polysaccharide preferences based on the isolation environment and biosample source were discovered. All the species showed almost similar percentage of cellulose synthesis and degradation genes. However, the polar lichen-associated microorganism was found to have a high percentage of hemicellulose degradation genes, and less starch and laminarin degradation. The Hymenobacter species with higher number of hemicellulose degradation genes was found to have a lower number of starch and laminarin degradation genes and vice versa, highlighting the differences in polysaccharide utilization among the species.
URI
https://repository.kopri.re.kr/handle/201206/11886
DOI
http://dx.doi.org/10.1007/s00284-020-02120-1
Appears in Collections  
2020-2020, Development of potential candidates as antibiotics based on polar genetic resources (20-20) / Lee, Jun Hyuck (PM20030)
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