Environmental Analysis Health and Toxicology

The Korean Society of Environmental Health and Toxicology (환경독성보건학회)
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Characterization of UV-Inducible Gene (UVI-180) in Schizosaccharomyces pombe

분열형 효모 Schizosaccharomyces pombe에서 자외선 유도유전자 UVI-180의 특성 연구

  • Published : 2003.09.01
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Abstract

본 연구는 DNA 상해유도기작을 규명하기 위하여 하등 진핵생물인 분열형 효모 Schizosaccharomyces Pombe로부터 subtraction hybridization방법을 이용하여 자외선 유도 유전자인 UVI-180을 분리하고 그 유전자 구조와 발현양상을 조사하였다. UVI-180유전자의 발현양상을 Northern hybridization 방법으로 살펴본 결과 자외선(ultraviolet-light)조사 1시간 후에 최대의 발현 증가를 나타내었다. 반면 알킬화제인 MMS(methyl methanesulfonate)처리에 의해서는 전혀 발현이 증가되지 않았다. 이 결과 UVI-180유전자는 DNA상해에 따라 각기 다른 발현양상을 나타냄을 알 수 있었다. 유전자의 기능을 알기 위하여 null-mutant세포 주를 제조하여 그 특성을 살펴본 결과 이 유전자는 세포의 성장에 필수적인 유전자임을 알 수 있었다.

Keywords

References

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