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Heavy metal toxicity mitigation by iron-containing superoxide dismutase 2 of Streptomyces coelicolor A3(2)

Streptomyces coelicolor A3(2)의 철 함유 superoxide dismutase 2에 의한 중금속 독성 완화

  • 김재헌 (단국대학교 자연과학대학 미생물학과) ;
  • 이현경 (단국대학교 자연과학대학 미생물학과)
  • Received : 2017.03.21
  • Accepted : 2017.05.25
  • Published : 2017.06.30

Abstract

Bacterial growth inhibition by lead, zinc and cadmium was measured by using modified Tris minimal medium. The toxicity against Escherichia coli strain was in the order of zinc> cadmium> lead, and the Escherichia coli strain overexpressing iron-containing superoxide dismutase 2 of Streptomyces coelicolor A3(2) was found to have resistance to heavy metals.

Keywords

Streptomyces coelicolor A3(2);heavy metal;resistance;iron superoxide dismutase 2

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