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Comparative Genomic Analysis of Biofilm-Forming Polar Microbacterium sp. Strains PAMC22086 and PAMC21962 Isolated from Extreme Habitats

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dc.contributor.authorKim Byeollee-
dc.contributor.authorGurung Saru-
dc.contributor.authorHan So-Ra-
dc.contributor.authorLee, Jun Hyuck-
dc.contributor.authorOh Tae-Jin-
dc.date.accessioned2023-09-11T16:37:26Z-
dc.date.available2023-09-11T16:37:26Z-
dc.date.issued2023-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/14601-
dc.description.abstractThe members of Microbacterium isolated from different environments are known to form peptidoglycan. In this study, we compared the biofilm-forming abilities of Microbacterium sp. PAMC22086 (PAMC22086), which was isolated from the soil in the South Shetland Islands and Microbacterium sp. PAMC21962 (PAMC21962), which was isolated from algae in the South Shetland Islands. The analysis of average nucleotide identity and phylogeny of PAMC22086 revealed a 97% similarity to Microbacterium oxydans VIU2A, while PAMC21962 showed a 99.1% similarity to Microbacterium hominis SGAir0570. For the comparative genomic analysis of PAMC22086 and PAMC21962, the genes related to biofilm formation were identified using EggNOG and KEGG pathway databases. The genes possessed by both PAMC22086 and PAMC21962 are cpdA, phnB, rhlC, and glgC, which regulate virulence, biofilm formation, and multicellular structure. Among the genes indirectly involved in biofilm formation, unlike PAMC21962, PAMC22086 possessed csrA, glgC, and glgB, which are responsible for attachment and glycogen biosynthesis. Additionally, in PAMC22086, additional functional genes rsmA, which is involved in mobility and polysaccharide production, and dksA, GTPase, and oxyR, which play roles in cell cycle and stress response, were identified. In addition, the biofilm-forming ability of the two isolates was examined in vivo using the standard crystal violet staining technique, and morphological differences in the biofilm were investigated. It is evident from the different distribution of biofilm-associated genes between the two strains that the bacteria can survive in different niches by employing distinct strategies. Both strains exhibit distinct morphologies. PAMC22086 forms a biofilm that attaches to the side, while PAMC21962 indicates growth starting from the center. The biofilm formation-related genes in Microbacterium are not well understood. However, it has been observed that Microbacterium species form biofilm regardless of the number of genes they possess. Through comparison between different Microbacterium species, it was revealed that specific core genes are involved in cell adhesion, which plays a crucial role in biofilm formation. This study provides a comprehensive profile of the Microbacterium genus's genomic features and a preliminary understanding of biofilm in this genus, laying the foundation for further research.-
dc.languageEnglish-
dc.subject.classificationKing Sejong Station-
dc.titleComparative Genomic Analysis of Biofilm-Forming Polar Microbacterium sp. Strains PAMC22086 and PAMC21962 Isolated from Extreme Habitats-
dc.title.alternative바이오 필름을 생성하는 극지 미생물 2종의 (Microbacterium sp. Strains PAMC22086 and PAMC21962) 유전체 비교 연구-
dc.typeArticle-
dc.identifier.bibliographicCitationKim Byeollee, et al. 2023. "Comparative Genomic Analysis of Biofilm-Forming Polar Microbacterium sp. Strains PAMC22086 and PAMC21962 Isolated from Extreme Habitats". <em>MICROORGANISMS</em>, 11(7): 1-16.-
dc.citation.titleMICROORGANISMS-
dc.citation.volume11-
dc.citation.number7-
dc.identifier.doi10.3390/microorganisms11071757-
dc.citation.startPage1-
dc.citation.endPage16-
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2021:39.416-
dc.subject.keywordBiofilm production-
dc.subject.keywordComparative genomics-
dc.subject.keywordMicrobacterium-
dc.subject.keywordMicrotiter Dish Biofilm Formation Assay-
dc.subject.keywordPolar bacteria-
dc.identifier.localId2023-0124-
Appears in Collections  
2022-2022, Development of potential antibiotic compounds using polar organism resources (22-22) / Lee, Jun Hyuck (PM22030)
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