팽이버섯 (Flammulina velutipes) 계통의 분류를 위한 SSR 마커개발
(주)코리아스칼라
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- 2023.04.05
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- 2017.06
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서지정보
ㆍ발행기관 : 한국버섯학회
ㆍ수록지정보 : 한국버섯학회지 / 15권 / 2호
ㆍ저자명 : 우성이, 서경인, 장갑열, 공원식
목차
서 론
재료 및 방법
시험균주 및 DNA 추출
Adapter 배열을 이용한 ligation
미소반복서열을 포함하고 있는 DNA 단편의 선발 및 분리Magnetic bead 준비
결과 및 고찰
Microsatellite의 특성
Microsatellite에 의한 집단구조 분석
적 요
감사의 글
References
영어 초록
Microsatellite SSR markers were developed and utilized to reveal the genetic diversity of 32 strains of Flammulina velutipes collected in Korea, China, and Japan. From the SSR-enriched library, 490 white colonies were randomly selected and sequenced. Among the 490 sequenced clones, 85 (17.35%) were redundant. Among the remaining 405 unique clones, 201 (49.6%) contained microsatellite sequences. We used 12 primer pairs that produced reproducible polymorphic bands for four diverse strains, and these selected markers were further characterized in 32 Flammulina velutipes strains. A total of 34 alleles were detected using the 12 markers, with an average of 3.42 alleles, and the number of alleles ranged from two to seven per locus. The major allele frequency ranged from 0.42 (GB-FV-127) to 0.98 (GB-FV-166), and values for observed (HO) and expected (HE) heterozygosity ranged from 0.00 to 0.94 (mean = 0.18) and from 0.03 to 0.67 (mean = 0.32), respectively. SSR loci amplified with GB-FV-127 markers gave the highest polymorphism information content (PIC) of 0.61 and mean allele number of five, whereas for loci amplified with GB-FV-166 markers these values were the lowest, namely 0.03 and two. The mean PIC value (0.29) observed in the present study with average number of alleles (3.42). The genetic relationships among the 32 Flammulina velutipes strains on the basis of SSR data were investigated by UPGMA cluster analysis. In conclusion, we succeeded in developing 12 polymorphic SSRs markers from an SSR-enriched library of Flammulina velutipes. These SSRs are presently being used for phylogenetic analysis and evaluation of genetic variations. In future, these SSR markers will be used in clarifying taxonomic relationships among the Flammulina velutipes.
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