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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The objective of this study was carried out to assess genetic diversity of Korean local accessions of wild pear usingmorphological traits and microsatellite markers. Assessment of 14 phenotypic traits showed high variation among wild pearaccessions. These parameters were not applicable genetic diversity analysis of wild pear collection due to quantitatively inheritand their expression is affected by environmental factors. Microsatellite markers were used to evaluate the genetic similarity of62 accessions. Among 50 tested SSR markers, 16 primer pairs were selected to profile genetic diversity on the basis of highlevel polymorphism. These microsatellite markers showed 1 or 2 discrete amplified fragment for all of the accessions. The sixteenmicrosatellite loci amplified 278 alleles, with 10 to 27 alleles (average 17.385) per locus. The mean of observed heterozygosityand polymorphism information content were 0.776 and 0.836, respectively. The Jaccard’s similarity coefficient ranged from 0.09to 1.00. Two major groups were produced from all the accessions by UPGMA cluster analysis. Fifty five accessions could bediscriminated except for 2 pairs. These results would be provided useful information about valuable genetic resources thoughassessment of genetic diversity and relationship in local pear accessions.
목차
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참고문헌 (17)
참고문헌 신청
Bao L / 2007 / Genetic diversity and similarity of pear (Pyrus L.)cultivars native to East Asia revealed by SSR (simple sequence repeat) markers / Genet. Resour. Crop Evol 54
Bell RL / 1990 / Genetic resources of temperate fruit and nut cropsⅠ / International Society for Horticultural Science : 665 ~ 697
Kimura T / 2002 / Identification of Asian pear varieties by SSR analysis / Breed. Sci 52 : 115 ~ 121
Liu K / 2005 / PowerMarker: an integrated analysis environment for genetic marker analysis / Bioinformatics 21 : 2128 ~ 2129
Liwu Zhu / 2009 / Study on Pear (Pyrus spp.) Germplasm Resources Collected at the Protection District of ‘Dangshansuli’ by ISSR Markers / Horticulture, Environment, and Bi
Bell RL / 1990 / Genetic resources of temperate fruit and nut cropsⅠ / International Society for Horticultural Science : 665 ~ 697
Kimura T / 2002 / Identification of Asian pear varieties by SSR analysis / Breed. Sci 52 : 115 ~ 121
Liu K / 2005 / PowerMarker: an integrated analysis environment for genetic marker analysis / Bioinformatics 21 : 2128 ~ 2129
Liwu Zhu / 2009 / Study on Pear (Pyrus spp.) Germplasm Resources Collected at the Protection District of ‘Dangshansuli’ by ISSR Markers / Horticulture, Environment, and Bi
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