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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 293 - 306 (14page)
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초록· 키워드
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High-throughput genotyping has substantially advanced the quality and accuracy of single nucleotide polymorphism (SNP) discovery and provided an effective way to interpret phenotypic variations in a mapping population. High-resolution quantitative trait locus (QTL) mapping is important for understanding agricultural traits. However, constructing a high-resolution map without sufficient markers to detect QTLs/genes of agronomically important traits is laborious and time consuming. In this study, 160 recombinant inbred lines (RILs) derived from a cross between Milyang23 and Gihobyeo were re-sequenced, and their SNPs were used for high-resolution QTL mapping of yield-related traits. A total of 1,850,671 high-quality SNPs from RILs were detected, and 3,563 bins were used as genetic markers to construct a high-resolution genetic map using the sliding window approach. The total genetic distance was 1,278.62 cM. Using the QTL analysis, we identified 35 QTLs controlling six yield traits, namely, culm length, panicle length, panicle number per plant, primary branch number per panicle, grain number per plant, and 100-grain weight. In addition, we detected major QTLs associated with culm length and grain number, and compared their physical distances using a conventional genetic map. These results showed that rapid, high-resolution QTL mapping using high-quality SNPs as bin markers is a powerful tool for finemapping and cloning important QTLs/genes.
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등록된 정보가 없습니다.
참고문헌 (39)
참고문헌 신청
Abe A / 2012 / Genome sequencing reveals agronomicallyimportant loci in rice using MutMap / Nat. Biotechnol 30:174~178
Ashikari M / 2005 / Cytokinin oxidase regulatesrice grain production / Science 309:741~745
Bernardo R / 2008 / Molecular markers and selection for complex traits in plants : Learning from the last 20 years / Crop Sci 48:1649~1664
Chen Z / 2014 / An ultra-high density bin-map for rapid QTL mapping fortassel and ear architecture in a large F2 maize population / BMC Genomics 15:1~10
Cho YG / 1998 / Development of RFLP framework map of rice (Oryza sativa L.) using recombinant inbred population derived from Milyang23/Gihobyeo cross / Korean J. Breed. Sci 30:289~297
Ashikari M / 2005 / Cytokinin oxidase regulatesrice grain production / Science 309:741~745
Bernardo R / 2008 / Molecular markers and selection for complex traits in plants : Learning from the last 20 years / Crop Sci 48:1649~1664
Chen Z / 2014 / An ultra-high density bin-map for rapid QTL mapping fortassel and ear architecture in a large F2 maize population / BMC Genomics 15:1~10
Cho YG / 1998 / Development of RFLP framework map of rice (Oryza sativa L.) using recombinant inbred population derived from Milyang23/Gihobyeo cross / Korean J. Breed. Sci 30:289~297
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