Mapping of QTLs controlling root shape and red pigmentation in radish, Raphanus sativus L.
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概要
- 論文の詳細を見る
Genetic factors controlling root shape and red pigmentation on the surface of the hypocotyl (upper part of root) were investigated using a molecular linkage map based on an F_2 population derived from a cross between two radish cultivars, 'Huang-he hong-wan' and 'Utsugi-gensuke'. One hundred and ninety-eight segregating markers (169 AFLPs, 28 Brassica SSRs and one SLG-CAPS) were located on 14 linkage groups (LGs) at a LOD threshold value of 5.0. The mapping position of Brassica SSRs revealed that frequent genomic rearrangements occurred between the Brassica and Raphanus genomes. Three quantitative trait loci (QTLs) for root shape with LOD values of 2.42, 3.22 and 2.88 were identified on LGs 3, 8 and 9, respectively. These three QTLs accounted for 42.4% of the phenotypic variance when joined together. Analysis of QTL(s) for root diameter revealed the presence of two QTLs on LG4 and LG8. The QTL on LG8 was considered to control root thickening and to affect the root shape. For hypocotyl pigmentation, a QTL which exerted a large genetic effect with a LOD value of 9.58, was recognized on LG 11 and accounted for 43.8% of the phenotypic variance.
- 日本育種学会の論文
著者
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MATSUMOTO Satoru
National Institute of Vegetable and Tea Science, National Agriculture and Food Research Organization
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Kubo Nakao
Biotechnology Research Department Kyoto Prefectural Agriculture Forestry And Fisheries Technology Ce
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Kubo Nakao
Kyoto Prefectural Institute Of Agricultural Biotechnology
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Kubo Nakao
Graduate School of Agriculture, Kyoto Prefectural University, Kyoto Prefectural Institute of Agricul
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Hirai Masashi
Graduate School of Agriculture, Kyoto Prefectural University, Kyoto Prefectural Institute of Agricul
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Tsuro Masato
Faculty of Agriculture, Meijo University
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Suwabe Keita
National Institute of Vegetable and Tea Science
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Suwabe K
National Inst. Vegetable And Tea Sci. Mie Jpn
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Suwabe Keita
National Institute Of Vegetable And Tea Science National Agriculture And Food Research Organization
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Matsumoto Satoru
National Institute Of Vegetable And Tea Science National Agriculture And Food Research Organization
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Hirai Masashi
Biotechnology Research Department Kyoto Prefectural Agriculture Forestry And Fisheries Technology Ce
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Tsuro Masato
Faculty Of Agriculture Meijo University
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Hirai Masashi
Graduate School Of Agriculture Kyoto Prefectural Univ.
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Matsumoto Satoru
National Institute Of Vegetable And Tea Science
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