Interval mapping of quantitative trait loci by molecular markers in rice (Oryza sativa L.)

Yunbi Xu; Zongtan Shen; Jichen Xu; Heng Zhu; Ying Chen; Lihuang Zhu

Interval mapping of quantitative trait loci by molecular markers in rice (Oryza sativa L.)

Yunbi Xu, Zongtan Shen, Jichen Xu, Heng Zhu, Ying Chen, Lihuang Zhu

Research output: Contribution to journal › Article

Abstract

Using an F₂ as the mapping population derived from indica Zhaiyeqing 8 and japonica Jingxi 17 of rice, a linkage map was constructed, which consisted of 54 restriction fragment length polymorphism (RFLP) markers. By using the interval mapping procedure based on 2 flanking markers, 11 quantitative trait loci (QTLs) were mapped for 4 traits: days to heading (Dth1), tiller angle (Ta1), spikelet number per panicle (Sn1, Sn2, Sn3) and spikelet density (Sdn1-Sdn6). An example was taken for QTL mapping of rice, and the interval mapping was shown to be able to detect the QTL located between 2 flanking markers. For a specific trait, more than one QTL could be found on one chromosome. Genetically related traits could be controlled by the same group of QTLs or polygenic system.

Original language	English (US)
Pages (from-to)	422-428
Number of pages	7
Journal	Science in China (Scientia Sinica) Series B
Volume	38
Issue number	4
State	Published - Apr 1 1995
Externally published	Yes

Keywords

linkage mapping
quantitative trait loci (QTLs)
restriction fragment length polymorphism (RFLP)
rice (Oryza sativa L.)

ASJC Scopus subject areas

Environmental Science(all)
Engineering(all)
Earth and Planetary Sciences(all)

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Xu, Y., Shen, Z., Xu, J., Zhu, H., Chen, Y., & Zhu, L. (1995). Interval mapping of quantitative trait loci by molecular markers in rice (Oryza sativa L.). Science in China (Scientia Sinica) Series B, 38(4), 422-428.

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abstract = "Using an F2 as the mapping population derived from indica Zhaiyeqing 8 and japonica Jingxi 17 of rice, a linkage map was constructed, which consisted of 54 restriction fragment length polymorphism (RFLP) markers. By using the interval mapping procedure based on 2 flanking markers, 11 quantitative trait loci (QTLs) were mapped for 4 traits: days to heading (Dth1), tiller angle (Ta1), spikelet number per panicle (Sn1, Sn2, Sn3) and spikelet density (Sdn1-Sdn6). An example was taken for QTL mapping of rice, and the interval mapping was shown to be able to detect the QTL located between 2 flanking markers. For a specific trait, more than one QTL could be found on one chromosome. Genetically related traits could be controlled by the same group of QTLs or polygenic system.",

keywords = "linkage mapping, quantitative trait loci (QTLs), restriction fragment length polymorphism (RFLP), rice (Oryza sativa L.)",

author = "Yunbi Xu and Zongtan Shen and Jichen Xu and Heng Zhu and Ying Chen and Lihuang Zhu",

year = "1995",

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T1 - Interval mapping of quantitative trait loci by molecular markers in rice (Oryza sativa L.)

AU - Xu, Yunbi

AU - Shen, Zongtan

AU - Xu, Jichen

AU - Zhu, Heng

AU - Chen, Ying

AU - Zhu, Lihuang

PY - 1995/4/1

Y1 - 1995/4/1

N2 - Using an F2 as the mapping population derived from indica Zhaiyeqing 8 and japonica Jingxi 17 of rice, a linkage map was constructed, which consisted of 54 restriction fragment length polymorphism (RFLP) markers. By using the interval mapping procedure based on 2 flanking markers, 11 quantitative trait loci (QTLs) were mapped for 4 traits: days to heading (Dth1), tiller angle (Ta1), spikelet number per panicle (Sn1, Sn2, Sn3) and spikelet density (Sdn1-Sdn6). An example was taken for QTL mapping of rice, and the interval mapping was shown to be able to detect the QTL located between 2 flanking markers. For a specific trait, more than one QTL could be found on one chromosome. Genetically related traits could be controlled by the same group of QTLs or polygenic system.

AB - Using an F2 as the mapping population derived from indica Zhaiyeqing 8 and japonica Jingxi 17 of rice, a linkage map was constructed, which consisted of 54 restriction fragment length polymorphism (RFLP) markers. By using the interval mapping procedure based on 2 flanking markers, 11 quantitative trait loci (QTLs) were mapped for 4 traits: days to heading (Dth1), tiller angle (Ta1), spikelet number per panicle (Sn1, Sn2, Sn3) and spikelet density (Sdn1-Sdn6). An example was taken for QTL mapping of rice, and the interval mapping was shown to be able to detect the QTL located between 2 flanking markers. For a specific trait, more than one QTL could be found on one chromosome. Genetically related traits could be controlled by the same group of QTLs or polygenic system.

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KW - quantitative trait loci (QTLs)

KW - restriction fragment length polymorphism (RFLP)

KW - rice (Oryza sativa L.)

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