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Polymorphism of inter simple sequence repeat markers in Hypsizygus marmoreus

Inter Simple Sequence Repeat(ISSR) 마커를 활용한 느티만가닥버섯(Hypsizigus marmoreus) 종내 다형성 분석

  • Oh, Youn-Lee (Mushroom Science Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Nam, Yun-Geul (Mushroom Science Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Jang, Kab-Yeul (Mushroom Science Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Kong, Won-Sik (Mushroom Science Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Oh, Min ji (Mushroom Science Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Im, Ji-Hoon (Mushroom Science Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Choi, In-Geol (Department of Biotechnology College of Life Sciences and Biotechnology Korea University)
  • 오연이 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 남윤걸 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 장갑열 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 공원식 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 오민지 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 임지훈 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 최인걸 (고려대학교 생명공학과 대학원 생명공학과&BK21플러스)
  • Received : 2017.09.04
  • Accepted : 2017.11.27
  • Published : 2017.12.31

Abstract

Hypsizygus marmoreus is a mushroom with abundant flavor and medicinal properties. However, its application is limited by problems such as long cultivation period, low biological efficiency, and microbiological contamination; therefore, there is a substantial need for development of new cultivars of this species. In this study, 55 strains of H. marmoreus were subjected to inter simple sequence repeat (ISSR) analysis to identify markers for the selection of mother strains for breeding from the collected germplasm. ISSR 13 and 15 were confirmed as polymorphic markers. The three strains (KMCC03106, KMCC03107, and KMCC03108) with white cap color were found to be genetically closely related upon UPGMA analysis of both ISSR 13 and 15. Based on the PCR analysis results for ISSR 15, the collected germplasm were differentiated into three groups according to the strain collection year. Thus, ISSR 15 could be a marker for determining the phylogeny of cap color and genetic variations according to the strain collection year. These results suggest that ISSR markers can be effective tools for the selection of mother strains for breeding of H. marmoreus.

느티만가닥버섯은 맛과 기능성이 풍부한 버섯으로 많이 활용되고 있다. 하지만 긴 재배기간과 낮은 자실체 수확량, 균이 오랜시간 배양되어 오염이 쉽게 발생되는 문제점을 극복할 새로운 품종육성이 필요하다. 이에 따라 육종모본으로 활용되는 느티만가닥 55균주의 종내 유전자원의 정확한 정보를 얻고자 분자유전학적 ISSR 마커분석을 활용하였다. 사용된 마커 중에서 ISSR 13과 15 마커를 사용했을 때 다형성이 분석되었으며 특히 ISSR 15마커 분석으로 다형성이 쉽게 구분되었다. UPGMA분석법으로 계통도를 분석하였을 때, 일부 백색을 가지고 있는 KMC03106, KMC03107, KMC03108 3 균주가 두 마커 모두에서 가까운 유연관계를 가졌으며, ISSR 15는 수집년도에 따라 3개의 그룹으로 구분되는 것을 확인할 수 있었다. 이 결과로 ISSR마커의 다형석 분석은 느티만가닥버섯의 몇몇 균주에서는 갓색의 유연관계 확인과 수집 시기에 따른 유전변이 구분이 가능하며 자원의 유전적 다양성 확인할 수 있어, 느티만가닥버섯의 품종육성을 위한 효율적인 모본 선발이 가능 할 것으로 사료된다.

Keywords

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