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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 298 - 309 (12page)
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초록· 키워드
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Rice culm is an important trait for determining rice lodging yield, and stem diameter has been suggested as ayield-related trait; however, studies for the genetic basis of its phenotypic variation are still required. In this study, we used 160recombination inbred lines derived from a cross of two different rice varieties [‘Milyang23’ (Tongil rice) and ‘Giho’ (japonica)] forquantitative trait locus (QTL) mapping with nine stem traits. The analysis showed that QTLs for the diameters of the first, second, thirdand fourth internode traits were independently separated in the top of chromosome 1, whereas four lengths of internodes were estimatedas being related to the semidwarf1 (sd1) gene. A major-effect QTL (q2ID1) was identified that the overlapped region of our previousmapping with a large genomic region. Therefore, we performed high-resolution genetic mapping for fine-mapping of q2ID1 to a ~140kb region between Ind1_1 and Ind1_2 of genetic markers, with candidate genes predicted using a reference genome. We ultimatelyidentified nine of the 15 candidate genes with specific gene functions and analyzed the sequence variations between two parents. Theseresults offer valuable gene and/or genetic information on stem diameter to improve lodging resistance and yield.
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참고문헌 (47)
참고문헌 신청
Ashikari M / 2005 / Cytokinin oxidase regulates rice grain production / Science 309:741~745
Bernado 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 for tassel 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
Cho YG / 2007 / Identification of quantitative trait loci in rice for yield, yield components, and agronomic trait across years and locations / Crop Sci 47:2403~2417
Bernado 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 for tassel 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
Cho YG / 2007 / Identification of quantitative trait loci in rice for yield, yield components, and agronomic trait across years and locations / Crop Sci 47:2403~2417
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