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Microcystin을 분해하는 신균주 Microbacterium sp. MA21

A Novel Microcystin-degrading Bacterium, Microbacterium sp. MA21

이영기|안치용|오희목|고소라
한국환경생물학회 (Korean Society Of Environmental Biology)|2013.06|환경생물 (Korean Journal of Environmental Biology)|제31권 제2호|pp. 158-164

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참고문헌

키워드

HPLCdegrading bacteriamicrocystin-LRMicrobacterium sp.

초록

A microcystin-degrading bacterium was isolated from Daechung reservoir, Korea. The isolated bacterium was identified as Microbacterium sp. by 16S rRNA gene sequence analysis, and designated as Microbacterium sp. MA21. This strain degraded cyanobacterial hepatotoxin, microcystin-LR, over 80% when incubated at 30˚C for 12 hr in R2A medium. Two unknown metabolites of microcystin were also identified during the degradation process. Although only Sphinogomonas and Actinobacteria have been known to degrade microcystin previously, this is the first report that Microbacterium sp. MA21 could degrade microcystin.

Abstract

A microcystin-degrading bacterium was isolated from Daechung reservoir, Korea. The isolated bacterium was identified as Microbacterium sp. by 16S rRNA gene sequence analysis, and designated as Microbacterium sp. MA21. This strain degraded cyanobacterial hepatotoxin, microcystin-LR, over 80% when incubated at 30˚C for 12 hr in R2A medium. Two unknown metabolites of microcystin were also identified during the degradation process. Although only Sphinogomonas and Actinobacteria have been known to degrade microcystin previously, this is the first report that Microbacterium sp. MA21 could degrade microcystin.

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