미생물학회지 (Korean Journal of Microbiology)

  • 제42권1호
  • /
  • Pages.7-11
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  • 2006
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  • 0440-2413(pISSN)
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  • 2383-9902(eISSN)
한국미생물학회 (The Microbiological Society of Korea)
권호 표지

해양암석 분말과 곰팡이 배양액에 의한 적조생물 편조류의 구제효과

Control Effect of Dinoflagellate Bloom by Powder of Marine Rock and Fungus Culture Supernatant

  • 현성희 (을지의과대학교 임상병리학과) ;
  • 신현웅 (을지의과대학교 임상병리학과)
  • 발행 : 2006.03.01
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초록

조류의 효과적인 제어방법 개발의 일환으로 해양암석분말의 효과를 보기위하여 해양암석분말과 곰팡이 배양 상등액을 이용하여 해양조류 제거율을 조사하였다. 편조류인 H. akashiwo와 P.minimum는 해양암석 분말을 30g/1의 농도로 살포한 실험군에서 높은 구제효과를 나타내었고, P. oxalicum (HCLE-34)배양상등액 살포는 5 mg/l 살포군에서도 구제효과를 나타내었다. 혼합 살포군에서도 배양 상등액 단독 살포군에서와 동등한 정도의 구제효과를 나타내었고, 완충용액 (pH 2.8)은 15 mg/l 살포군에서 60분 경과 후 75%의 구제효과를 나타내었으나, 전자현미경적 관찰에서는 암석분말과 배양 상등액 혼합 살포군, 배양 상등액 살포군, 암석분말 살포군 및 완충용액 살포군 순으로 세포의 파괴정도가 관찰되었다. 이러한 결과는 암석분말과 곰팡이 배양상등액이 해양에서 발생되는 편조류의 대발생을 조절할 수 있는 물질로 작용함을 시사한다.

To see effect of marine rock powder and fungal culture supernatant, we analyzed the biodegradation rates of harmful marine dinoflagellate, Heterosigma akashiwo and Prorocentrum minimum for developing the effective control methodology of algal bloom. Relatively low removal rates were observed in the treatment of marine rock powder or buffer solution alone. However, the lysis of H. akashiwo and P. minimum was enhanced in the combined treatments of marine rock powder with fungal supernatant. The effective concentration and exposure time of fungal supernatant for the lysis of H. akashiwo and P. minimum were 5 ml/l and 30 minutes, respectively. These results suggest that the fungal supernatant may be a biocontrol agent for the control of algal blooms in seawater.

키워드

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