Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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The Effect of $_L$=lysine on Growth Inhibition of Microcystis sp.

$_L$ =lysine에 의한 Microcystis sp.의 선택적 성장억제

  • 송석환 (한양대학교 자연과학대학 생명과학과) ;
  • 신규철 (국가지정 물환경생태복원연구실) ;
  • 한명수 (국가지정 물환경생태복원연구실) ;
  • 최영길 (국가지정 물환경생태복원연구실)
  • Published : 2003.06.01
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Abstract

Various physico-chemical and biological methods have been used to remove. cyanobacteria which causes blooms and releases toxin. The purpose of the following experiment is aimed finding out which cyanobacteria are affected by $_L-lysine $ and what concentration of$_L-lysine $ inhibits cyanobacteria. The 20 samples of Microcystis sp. have been tested. To prove the growth inhibition on Microcystis sp., double-layered agar method and microplate method have been used. When the concentration of $_L-lysine $ is as heavy as 100 ${\mu}g\; ml^{-1}$~300 ${\mu}g\; ml^{-1}$, some Microcystis sp. have made halo zone. Some Microcystis sp. have shown so high activity as to be inhibited in their growth by the $_{L}$-lysine of concentration 10 ${\mu}g\; ml^{-1}$ with microplate method. These activities are various in accordance with every species. In additions, the microplate method has been proven to be an easy way which examine the lytic activity on the species of algae.e.

본 연구는 $_L-lysine \; (_{-2}$, 6-Diaminohexanoic acid)의 영향을 받는 남조류와 남조류에 영향을 주는 $_L-lysine $의 농도를 파악 하고자 20종의 Microcystis.를 실험에 사용하였다. 남조류의 생장 억제 능력은 double-layered agar method와 microplate method를 이용하여 측정하였다. L-lysine의 농도를 100-${\mu}g\; ml-1~300 ${\mu}g\; ml^{-1}$이상에서 처리한 경우 Microcystis ichthyoblabe NIER-10021외 7종의 Microcystis sp.에서 투명대가 형성되었다. Microplate method서는10~500${\mu}g\; ml^{-1}$의 농도에서 생장억제 및 lysis를 나타내어TEk. 그리고 Microcystis viridis NIER-10020 외 3종은 10${\mu}g\; ml^{-1}$이하의 낮은 농도에서도 생장억제 및 분해를 나타내는 높은 활성을 보였다.

Keywords

References

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