Korean Journal of Microbiology (미생물학회지)

The Microbiological Society of Korea (한국미생물학회)
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PCR Cloning of Genes Encoding the Mn-Peroxidase Isozyme Family from Trametes versicolor KN9522 Using Degenerate Primers

구름버섯균 KN9522에서 degenerate primer를 이용한 Mn-Peroxidase 동위효소 유전자들의 PCR 클로닝

  • Jun, Sang-Cheol (Dept. of Biology, Division of Natural Science, Kangnung National University) ;
  • Kim, Kyu-Joong (Dept. of Biology, Division of Natural Science, Kangnung National University)
  • 전상철 (강릉대학교 자연과학대학 생물학과) ;
  • 김규중 (강릉대학교 자연과학대학 생물학과)
  • Published : 2006.03.01
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Abstract

Degenerate primers corresponding to the sequences of the N-terminal regions of Mn-peroxidase isozymes were used to isolate the genomic fragments encoding the isozymes of Mn-peroxidase, CVMP1, CVMP2, CVMP3 and CVMP5 from the white-rot fungus Trametes versicolor KN9522. Three isozymes except one gave the expected PCR products (cmp1, cmp2 and cmp5) of about 900 base pairs, respectively. DNA sequence data obtained from each PCR products were used to analyze the BLAST program search on the National Center for Biotechnology Information. cmp1, cmp2 and cmp5 were similar to MPG-I (GenBank accession number Z30668) and PGV-II (GenBank accession number, Z54279) gene T. versicolor PRL572. PCR products of cmp1 and cmp2 showed 77%, 95% base sequence similarities to MPG-I gene and cmp5 showed about 88% similarity to PGV-II gene from T. versicolor PRL572. From this experiment, we could isolate genomic DNA fragments with degenerate primers designed from the N-terminal amino acid sequences of Mn-peroxidase isozyme family.

구름버섯균 KN9522로부터 분리한 Mn-peroxidase 동위효소 CVMP1, CVMP2, CVMP3 및 CVMP5를 코딩하는 게놈유전자를 분리하기 위해 4개의 동위효소 N-말단아미노산서열을 기준으로 제작한degenerate primer들이 사용되었다. 하나를 제외한 3개의 동위효소들은 그에 대응되는 염기서열 900정도 되는 PCR산물 (cmp1, cmp2 및 cmp5)을 얻었다. NCBI의 BLAST 프로그램을 사용하여 PCR산물들의 염기서열을 분석한 결과, cmp1, cmp2 및 cmp5는 구름버섯균 PRL572로부터 분리한 유전자 MPG-I (등록번호 Z30668) 및 PGV-II(등록번호 Z54279)와 유사하였다. cmp1과 cmp2는 MPG-I유전자의 염기서열과 각각 77%및 95%의 상동성을 보였고 cmp5는 PGV-II 염기서열과 88%의 상동성을 보였다. 본 실험을 통하여 저자들은 Mn-peroxidase 동위효소계의 아미노산 서열을 기준으로 제작된 degenerate primer들을 사용하여 게놈 DNA조각을 분리할 수 있었다.

Keywords

References

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