한국해양바이오학회지 (Journal of Marine Bioscience and Biotechnology)

한국해양바이오학회 (The Korean Society for Marine Biotechnology)
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Hexabromobenzens 농후 배양에 따른 해면(Axinella sp.) 공생 미생물의 군집구조 변화

Change of Sponge(Axinella sp.)-Associated Bacterial Community during the Cultivation with Hexabromobenzene

  • 투고 : 2014.12.22
  • 심사 : 2014.12.29
  • 발행 : 2014.12.31
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초록

할로겐화 또는 탈할로겐화에 관여하는 미생물을 특정하고자 해양의 주된 할로겐화합물 생산자인 해면 공생미생물의 군집구조에 미치는 HBB (hexabromobenzene)의 영향을 밝히고자 했다. 혐기 marine broth 2216에서 100ppm HBB첨가 유무에 관계없이 검출된 균주들은 산호나 해면에서 유래한 클론들과 높은 유사도를 보였으며 그 중 Deltaproteobacteria에 속하는 Desulfovibrio marinisediminis와 99% 유사도를 보이는 클론이 우점하는 것으로 나타났다. Clostridia계통의 Fusibacter paucivorans와 유사도가 높은 클론과 Lentisphaerae에 속하는 균주들은 HBB에 의해 감소하는 반면 Clostridia계통의 Vallitalea guaymasensis와 유사도가 높은 균주들은 HBB가 있는 경우에만 검출되었다. 알려진 균주들과의 비교 결과로 볼 때 D. marinisediminis 및 V. guaymasensis 계통의 균주들이 할로겐화 및 탈할로겐화에 관여하는 것으로 추정된다.

Bacteria associated with marine sponges seemed to be concerned in halogenation/dehalogenation process of natural compounds. In the present study, the effect of hexabromobenzene (HBB) on the community structure of bacteria associated with a marine sponge Axinella sp. from Chuuk State under anaerobic condition was investigated. Regardless of 100 ppm HBB, most of detected microorganisms displayed high similarity with clones reported from coral or sponges. Amongst, Desulfovibrio marinisediminis like clones were dominant. Clones affiliated with Lentisphaerae and Fusibacter paucivorans (Clostridia) were detected at the conditions without HBB but clones affiliated with Vallitalea guaymasensis (Clostridia) increased its proportion with HBB. From these results and previous reports clones affiliated with D. marinisediminis and V. guaymasensis seemed to be concerned in halogenation/dehalogenation process.

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피인용 문헌

  1. vol.84, pp.8, 2018, https://doi.org/10.1128/AEM.02516-17