지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Knowledge of the chromosomal constitution of the ancestors of modern soybean will complement plant breeding efforts to improve agronomic and economic characteristics of soybean. Variation block (VB)-based comparison using genome-wide insertion/deletion (InDel) markers was used on a diverse panel of 147 soybean cultivars to assess the impact of chromosomal changes during modern breeding. There were identical variation patterns of the examined InDels consistently appearing in the genome parts arising from parental varieties, indicating that soybean chromosomes in descendants should be all determined by genetic reshuffling of VBs inherited from parental chromosomes. Structure analysis of the accessions through the 202 InDels separated the accessions into four subgroups. Gene introgression revealed by the structure analysis agreed with the fact that a limited number of landraces and elite varieties were introduced and used as donors for breeding soybean cultivars in pedigree analysis. Especially, VBs became more reshuffled over time as a result of the breeding process, which resulted in using breeding parents with new VB-types for improving the end-use value of soybean. Therefore, their clustering using the 202 VB-specific InDels is strongly influenced by the difference in breeding ancestors among the subgroups. This indicates that the 202 InDel markers are very useful for genetic study by analyzing the reshuffling patterns of the parental genomes in the descendant.
목차
등록된 정보가 없습니다.
참고문헌 (29)
참고문헌 신청
Agarwal M / 2008 / Advances in molecular marker techniques and their applications in plant sciences / Plant Cell Rep 27 : 617 ~ 631
Collard BCY / 2008 / Marker-assisted selection:an approach for precision plant breeding in the twenty-first century / Philos. Trans. R. Soc. B 363 : 557 ~ 572
Deschamps S / 2010 / Utilization of next-generation sequencing platforms in plant genomics and genetic variant discovery / Mol. Breed 25 : 553 ~ 570
Evanno G / 2005 / Detecting the number of clusters of individuals using the software STRUCTURE: a simulation study / Mol. Ecol 14 : 2611 ~ 2620
Ganal MW / 2009 / SNP identification in crop plants / Curr. Opin. Plant Biol 12 : 211 ~ 217
Collard BCY / 2008 / Marker-assisted selection:an approach for precision plant breeding in the twenty-first century / Philos. Trans. R. Soc. B 363 : 557 ~ 572
Deschamps S / 2010 / Utilization of next-generation sequencing platforms in plant genomics and genetic variant discovery / Mol. Breed 25 : 553 ~ 570
Evanno G / 2005 / Detecting the number of clusters of individuals using the software STRUCTURE: a simulation study / Mol. Ecol 14 : 2611 ~ 2620
Ganal MW / 2009 / SNP identification in crop plants / Curr. Opin. Plant Biol 12 : 211 ~ 217
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