환경생물 (Korean Journal of Environmental Biology)

  • 제23권4호
  • /
  • Pages.405-408
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  • 2005
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  • 1226-9999(pISSN)
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  • 2287-7851(eISSN)
한국환경생물학회 (Korean Society of Environmental Biology)
권호 표지

Enhancement of Pendimethalin Degradation Activity in Bacillus sp. MS202 using Gamma Radiation

  • Lee Young-Keun (Radiation Application Research Division, ARTIJ, Korea Atomic Energy Research Institute) ;
  • Chang Hwa-Hyoung (Radiation Application Research Division, ARTIJ, Korea Atomic Energy Research Institute) ;
  • Lee Ho-Jin (Radiation Application Research Division, ARTIJ, Korea Atomic Energy Research Institute) ;
  • Park Heesoon (Radiation Application Research Division, ARTIJ, Korea Atomic Energy Research Institute) ;
  • Lee Kyung Hee (Radiation Application Research Division, ARTIJ, Korea Atomic Energy Research Institute) ;
  • Joe Min-Ho (Radiation Application Research Division, ARTIJ, Korea Atomic Energy Research Institute)
  • 발행 : 2005.12.01
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초록

To induce the enhanced mutants of dinitroaniline herbicide pendimethalin degrading bacterium, Bacillus sp. MS202 was irradiated with gamma radiation at the dose of $LD_{99}$ (3.35 kGy). Three enhanced mutants (MS202m7, MS202m14, MS202m18) were isolated from the candidates by the generation - isolation method. Clear zone formation and the GC analysis confirmed that the degrading activity of each enhanced mutant (MS202m7, MS202m14, MS202m18), the formation of pendimethalin metabolite, increased by $11\%,\;45\%,\;and\;32\%$ than a wild type, respectively. It suggested that these mutants induced by gamma radiation could be useful for the application of pesticide degradation.

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참고문헌

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