생명과학회지 (Journal of Life Science)

  • 제9권3호
  • /
  • Pages.276-281
  • /
  • 1999
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  • 1225-9918(pISSN)
  • /
  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
권호 표지

해양오염의 진단을 위한 생화학적 오염지표에 관한 연구 X. 남해산 홍합 (Mytilus coruscus)의 산소 라디칼 및 제거효소의 변화

Study on Biochemical Pollutant Markers for Diagnosis of Marine Pollution X. Changes in Oxygen Radicals and Their Scavenger Enzymes of the Mussel (Mytilus coruscus) in the South Sea

  • 최진호 (부경대학교 식품생명공학부 생화학교실) ;
  • 김대익 (부경대학교 식품생명공학부 생화학교실) ;
  • 박수현 (부경대학교 식품생명공학부 생화학교실) ;
  • 김동우 (부경대학교 해양식량자원개발 특성화사업단) ;
  • 박청길 (부경대학교 공과대학 환경공학과) ;
  • 양동범 (한국해양연구소 해양화학연구부)
  • 발행 : 1999.06.01
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초록

해양오염의 진단을 위한 생화학적 오염지표 설정의 기초연구의 일환으로, 오염이 심각한 남해산 홍합(Mytilus coruscus)의 근육중의 활성산소종 및 그들의 제거효소의 활성을 $분석{\times}평가하였다.$ 이들 홍합의 근육중의 단백질의 향량은 남해안 양식산 홍합의 근육중의 단백질 함량이 동해안의 포항의 자연산 홍합(대조군)의 단백질 함량에 비해 4~14%나 유의적으로 감소하였다.(p<0.05-0.01).남해안의 양식산 홍합의 근육중의 수퍼옥시드 라디칼의 생성량은 대조군으로 사용한 동해안 포항의 자연산 홍합의 근육중의 수퍼옥시드 라디칼의 생성량 대비 82~138%정도나 높앗다. 또한 남해안의 양식산 홍합의 근육중의 히드록시 라디칼의 생성량은 대조군으로 사용한 동해안 포항의 자연산 홍합의 근육중의 히드록시 라디칼의 생서량 대비 9~25%정도나 높았다.남해안의 양식산 홍합의 근육중의 SOD의 활성은 동해안 포항의 자연산 홍합의 근육중의 SOD의 활성대비 16~28%정도나 낮았다. 이상의 영구결과에서 볼 때 남해안 홍합의오염 지표로서는 단백질 함량의 감소, 활성산소종의 증가 및 활성산소의 제거효소로서 SOD의 활성감소로 평가각 가능하다라는 사실을 확인할 수 있었다.

This study was designed as a part of efforts to investigate the biochemical pollutant markers for diagnosis of marine pollutions by changes in oxygen radicals and their scavenger enzymes of the mussel (Mytilus coruscus) in South Sea of Korea. Protein contents in muscle of cultured mussel in South Sea were remarkably lower (4-14%, respectively) than those of wild mussel in Pohang of East Sea. Superoxide radical activities in muscle of cultured in South Sea were significantly higher 82∼138% than those of wild mussel in Pohang. Hydroxyl radical formations in muscle of cultured mussels in South Sea were significantly 9∼25% higher than those of wild mussels in Pohang. Superoxide dismutase (SOD) activities in muscle of cultured mussels in South Sea were significantly 16∼28% lower than those of wild mussels in Pohang. It is believed that significantly decrease of protein contents in muscle, remarkable increases of superoxide radical and hydroxyl radical in muscle of cultured mussels of South Sea may be used as a biochemical pollutant markers for diagnosis of marine pollutions. These results suggest that near-coastal water as well as neritic water of the south sea might be affected by pollutant.

키워드

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