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Characterization of Biological Degradation Cypermethrin by Bacillus amyloliquefaciens AP01

Bacillus amyloliiquefaciens AP01 균주에 의한 사이퍼메트린의 생물학적 분해 특성

  • Received : 2015.10.05
  • Accepted : 2015.10.26
  • Published : 2016.03.31

Abstract

Strain AP01 was isolated for the biological cypermethrin degradation from soil and sediment in Busan. This strain was identified on the basis of phylogenetic analysis of the 16s rDNA sequence and assigned as Bacillus amyloliquefaciens AP01. AP01 could degrade about 45% of cypermethrin in the mineral medium at $30^{\circ}C$ and 180 rpm for 5 days. Furthermore when 2% glucose was added in the medium, the degradation rate of cypermethrin by strain AP01 was increased upto about 60%. Therefore, AP01 may serve as a promising strain in the bioremediation of soil polluted with cypermethrin.

피레스로이드(pyrethroid) 계열 살충제 중 하나인 사이퍼메트린(cypermethrin)의 생물학적 분해를 위하여 부산 인근의 토양과 연안 퇴적물에서 미생물들을 분리하였다. 이들 중 분해율이 우수한 미생물을 선별하여 AP01이라고 명명하였다. 분리 균주 AP01의 유전학적 유연관계를 16S rDNA 염기서열을 분석한 결과, Bacillus amyloliquefaciens와 99%의 상동성을 나타내었다. 다양한 탄소원들 중에서 glucose를 첨가하였을 때, 분리 균주 AP01의 사이퍼메트린(cypermethrin) 분해 활성이 증가하였다.

Keywords

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