Korean Journal of Microbiology (미생물학회지)

The Microbiological Society of Korea (한국미생물학회)
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Cloning of a Laccase Gene Fragment from Ganoderma lucidum

영지버섯 Laccase 유전자의 구리결합부위 I과 IV사이 지역의 클로닝

  • 조지현 (강원대학교 자연과학대학 생명공학부) ;
  • 최형태 (강원대학교 자연과학대학 생명공학부) ;
  • 김경훈 (강원대학교 자연과학대학 생명공학부)
  • Published : 2000.09.01
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Abstract

Degenerate primevs corresponding to the consensus sequences of the copper-binding regions in the N- and Cterminal domains of fungal laccases were used to isolate laccase gene-specific sequences froin a white rot rungus Ganodern~a lucidrm w-hich has been known to strengthen the imnnne system. A 1.6 Kbp fragment was amplified by PCR and its base sequence was detenuiued. Locating seven iutrous within the base sequence, we could deduce its amino acid sequence. The nucleotide sequence witl~out introlls was 47Y0 identical to that of lee1 gene of Pametes wllosa; lhe identity in amino acid sequences of the two was 7994 The deduced amino acid seqoence was also sunilar to those of Coriolus versicolo~ kc3 (79%); Co~,iolz~s hirsutus phenolouiduse (78%), Trainetes vel.srcoloi. lccl (77%), Trametes ~!i/Iosa Ice2 (77%) and Trametes vemicolor kc4 (66%).

백색부후균류 laccase의 아미노 말단과 카복시 말단에 잘 보존된 구리결합부위를 암 호화하는 DNA 염기서열과 상보적인 primer를 이용하여 백색부후균의 일종인 영지버섯 Gandoderma lucidum에서 laccase 유전자 단편을 분리하였다. PCR 로 증폭하여 클로닝한 1.6 Kb DNA 절편의 염기 서열을 결정하여 분석하였다. 이 DNA에는 7개의 인트론이 존재 하였으며 엑손의 염기서열과 이로부터 추정된 아미노산 서열은 Tranmetes villosa laccase(lccl)와 각각 47%, 79% 동일하였다. 기타 다른 백색부후균류의 laccase 아미노산 서 열과는 66~78% 동일하였다.

Keywords

References

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