Molecular Marker-assisted Selection in a Recurrent Backcross Breeding for the Incorporation of Resistance to Rice Stripe Virus and Panicle Blast in Rice (Oryza sativa L.)

Sugiura, Naoki; Tsuji, Takako; Fujii, Kiyoshi; Kato, Takahiro A.; Saka, Norikuni; Touyama, T.; Saito, Y; Izawa, Toshihiko

doi:10.1270/jsbbr.6.143

Cited by 29 publications

(16 citation statements)

References 4 publications

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“…MAS has now been used to introduce resistance genes for blast, bacterial blight, brown planthopper, lodging resistance, yield potential, and submergence tolerance (Ashikari et al, 2005;Hayashi et al, 2004;Kwon et al, 2008b;Neeraja et al, 2007;Singh et al, 2001;Sugiura et al, 2004;Suh et al, 2011;Wang et al, 2005). The effectiveness of the MAS system depends on the reliability of markers linked to the target gene/QTL loci from diverse genetic backgrounds in high eating quality japonica rice varieties.…”

Section: Introductionmentioning

confidence: 99%

Identification of Quantitative Trait Loci Associated with Rice Eating Quality Traits Using a Population of Recombinant Inbred Lines Derived from a Cross between Two Temperate japonica Cultivars

Kwon

Cho

Lee

et al. 2011

Molecules and Cells

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Section: Introductionmentioning

confidence: 99%

Identification of Quantitative Trait Loci Associated with Rice Eating Quality Traits Using a Population of Recombinant Inbred Lines Derived from a Cross between Two Temperate japonica Cultivars

Kwon

Cho

Lee

et al. 2011

Molecules and Cells

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“…Recently, MAS has been used to develop practical rice cultivars in Japan (Sugiura et al 2004, Takeuchi et al 2006, Fukuoka et al 2009), but few cultivars bred using MAS for good eating quality have been reported so far. Among the genes that control the eating quality of rice, genes for low AC are powerful tools for MAS, because selection by measuring the AC requires considerable labor in rice breeding.…”

Section: Discussionmentioning

confidence: 99%

Genetic analysis of the low-amylose characteristics of rice cultivars Oborozuki and Hokkai-PL9

et al. 2010

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Control of the amylose content is a major strategy for breeding rice with improved eating quality. To identify the low-amylose gene of the low-amylose rice cultivar Oborozuki, quantitative trait loci (QTL) and sequence analyses were conducted on 90 progeny obtained by crossing the two japonica cultivars Hokka287 (a donor parent of Oborozuki) and Hokkai-PL9. One QTL for low amylose content was detected on the WX1 locus on the short arm of chromosome 6. This gene was designated Wx1-1 for the Hokkai287 allele, and is a novel allelic gene for the WX1 locus with a 37-bp deletion in intron 10. Homozygote genotype for Wx1-1 decreased the amylose content by 7.8%. Primer sets Wx-U1L3 designed to amplify the genome region containing the deletion clearly differentiated cultivars containing Wx1-1 from others. This DNA marker is useful for breeding cultivars with low amylose contents. Another QTL, qAC9.3, was detected on the short arm of chromosome 9. Hokkai-PL9-homozygote allele for qAC9.3 decreased the amylose content by 2.6%. QTL analyses showed that Wx1-1 and the Hokkai-PL9 allele of qAC9.3 have an additive effect in decreasing the amylose content. The two genes are useful tools in marker-assisted selection when breeding rice with a controlled amylose content for improved eating quality.

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“…Since the development of DNA markers as tools for mapping major genes, such as those for disease and insect resistance, and QTLs, MAS has been used to develop new cultivars with particular traits 27 . However, few examples of MAS have been reported in rice so far, being limited to bacterial blight resistance, blast resistance, plant height, and seed number per panicle 1,6,21,22,29 .…”

Section: Potential Utility Of Ilsmentioning

confidence: 99%

Developing Isogenic Lines of Japanese Rice Cultivar 'Koshihikari' with Early and Late Heading

Takeuchi

2011

JARQ

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Four quantitative trait loci (QTLs) for rice (Oryza sativa L.) heading date were previously detected by QTL analysis of progeny derived from crosses between a japonica cultivar, Koshihikari, and an indica cultivar, Kasalath. To enhance the cropping potential of Koshihikari, a leading cultivar in Japan, our team used marker-assisted selection to develop isogenic lines (ILs) with early and late heading dates. Several types of DNA marker were used to minimize the length of substituted chromosome segments containing target QTLs and to determine the genotype in the target QTL regions and in the background genome of the ILs. We developed four new ILs-Koshihikari Kanto HD1 (Hd1), Wakei 370 (Hd4), Kanto IL5 (Hd6), and Kanto HD2 (Hd5)-housing Kasalath chromosome segments of 560, 7960, 170, and 625 kb, respectively. The heading date of Koshihikari Kanto HD1 was 12 days earlier than that of Koshihikari in Ibaraki, and those of Wakei 370, Kanto IL5, and Kanto HD2 were 3, 10, and 11 days later, respectively. Most of the traits, except the heading date of the four ILs, were the same as those of Koshihikari. Discipline: Plant breedingAdditional key words: heading date, marker-assisted selection, pleiotropic effect, quantitative trait locus

show abstract

Molecular Marker-assisted Selection in a Recurrent Backcross Breeding for the Incorporation of Resistance to Rice Stripe Virus and Panicle Blast in Rice (Oryza sativa L.)

Cited by 29 publications

References 4 publications

Identification of Quantitative Trait Loci Associated with Rice Eating Quality Traits Using a Population of Recombinant Inbred Lines Derived from a Cross between Two Temperate japonica Cultivars

Identification of Quantitative Trait Loci Associated with Rice Eating Quality Traits Using a Population of Recombinant Inbred Lines Derived from a Cross between Two Temperate japonica Cultivars

Genetic analysis of the low-amylose characteristics of rice cultivars Oborozuki and Hokkai-PL9

Developing Isogenic Lines of Japanese Rice Cultivar 'Koshihikari' with Early and Late Heading

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