Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred Lines
Small brown planthopper (SBPH) and rice stripe virus (RSV) disease transmitted by SBPH cause serious damage to rice (Oryza sativa L.) in China. In the present study, we screened 312 rice accessions for resistance to SBPH. The indica variety, N22, is highly resistant to SBPH. One hundred and eighty t...
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doaj-6d05e8df39ec40df9b119c8e43ec3cdd2020-11-25T01:55:47ZengMDPI AGInternational Journal of Molecular Sciences1422-00672013-04-011448406842110.3390/ijms14048406Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred LinesHuqu ZhaiChunming WangXianian ChengShijia LiuLing JiangYanling LiuHan WuZhaoqiang SongLe Quang TuyenBaoxiang WangKun XieYingxin ZhangJinlong HuQi WangYuqiang LiuJianmin WanSmall brown planthopper (SBPH) and rice stripe virus (RSV) disease transmitted by SBPH cause serious damage to rice (Oryza sativa L.) in China. In the present study, we screened 312 rice accessions for resistance to SBPH. The indica variety, N22, is highly resistant to SBPH. One hundred and eighty two recombinant inbred lines (RILs) derived from a cross of N22 and the highly susceptible variety, USSR5, were used for quantitative trait locus (QTL) analysis of resistances to SBPH and RSV. In a modified seedbox screening test, three QTLs for SBPH resistance, qSBPH2, qSBPH3 and qSBPH7.1, were mapped on chromosomes 2, 3 and 7, a total explaining 35.1% of the phenotypic variance. qSBPH7.2 and qSBPH11.2, conferring antibiosis against SBPH, were detected on chromosomes 7 and 11 and accounted for 20.7% of the total phenotypic variance. In addition, qSBPH5 and qSBPH7.3, expressing antixenosis to SBPH, were detected on chromosomes 5 and 7, explaining 23.9% of the phenotypic variance. qSBPH7.1, qSBPH7.2 and qSBPH7.3, located in the same region between RM234 and RM429 on chromosome 7, using three different phenotyping methods indicate that the locus or region plays a major role in conferring resistance to SBPH in N22. Moreover, three QTLs, qSTV4, qSTV11.1 and qSTV11.2, for RSV resistance were detected on chromosomes 4 and 11. qSTV11.1 and qSTV11.2 are located in the same region between RM287 and RM209 on chromosome 11. Molecular markers spanning these QTLs should be useful in the development of varieties with resistance to SBPH and RSV.http://www.mdpi.com/1422-0067/14/4/8406RIL populationquantitative trait locusOryza sativa L. |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Huqu Zhai Chunming Wang Xianian Cheng Shijia Liu Ling Jiang Yanling Liu Han Wu Zhaoqiang Song Le Quang Tuyen Baoxiang Wang Kun Xie Yingxin Zhang Jinlong Hu Qi Wang Yuqiang Liu Jianmin Wan |
spellingShingle |
Huqu Zhai Chunming Wang Xianian Cheng Shijia Liu Ling Jiang Yanling Liu Han Wu Zhaoqiang Song Le Quang Tuyen Baoxiang Wang Kun Xie Yingxin Zhang Jinlong Hu Qi Wang Yuqiang Liu Jianmin Wan Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred Lines International Journal of Molecular Sciences RIL population quantitative trait locus Oryza sativa L. |
author_facet |
Huqu Zhai Chunming Wang Xianian Cheng Shijia Liu Ling Jiang Yanling Liu Han Wu Zhaoqiang Song Le Quang Tuyen Baoxiang Wang Kun Xie Yingxin Zhang Jinlong Hu Qi Wang Yuqiang Liu Jianmin Wan |
author_sort |
Huqu Zhai |
title |
Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred Lines |
title_short |
Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred Lines |
title_full |
Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred Lines |
title_fullStr |
Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred Lines |
title_full_unstemmed |
Detection of Quantitative Trait Loci (QTLs) for Resistances to Small Brown Planthopper and Rice Stripe Virus in Rice Using Recombinant Inbred Lines |
title_sort |
detection of quantitative trait loci (qtls) for resistances to small brown planthopper and rice stripe virus in rice using recombinant inbred lines |
publisher |
MDPI AG |
series |
International Journal of Molecular Sciences |
issn |
1422-0067 |
publishDate |
2013-04-01 |
description |
Small brown planthopper (SBPH) and rice stripe virus (RSV) disease transmitted by SBPH cause serious damage to rice (Oryza sativa L.) in China. In the present study, we screened 312 rice accessions for resistance to SBPH. The indica variety, N22, is highly resistant to SBPH. One hundred and eighty two recombinant inbred lines (RILs) derived from a cross of N22 and the highly susceptible variety, USSR5, were used for quantitative trait locus (QTL) analysis of resistances to SBPH and RSV. In a modified seedbox screening test, three QTLs for SBPH resistance, qSBPH2, qSBPH3 and qSBPH7.1, were mapped on chromosomes 2, 3 and 7, a total explaining 35.1% of the phenotypic variance. qSBPH7.2 and qSBPH11.2, conferring antibiosis against SBPH, were detected on chromosomes 7 and 11 and accounted for 20.7% of the total phenotypic variance. In addition, qSBPH5 and qSBPH7.3, expressing antixenosis to SBPH, were detected on chromosomes 5 and 7, explaining 23.9% of the phenotypic variance. qSBPH7.1, qSBPH7.2 and qSBPH7.3, located in the same region between RM234 and RM429 on chromosome 7, using three different phenotyping methods indicate that the locus or region plays a major role in conferring resistance to SBPH in N22. Moreover, three QTLs, qSTV4, qSTV11.1 and qSTV11.2, for RSV resistance were detected on chromosomes 4 and 11. qSTV11.1 and qSTV11.2 are located in the same region between RM287 and RM209 on chromosome 11. Molecular markers spanning these QTLs should be useful in the development of varieties with resistance to SBPH and RSV. |
topic |
RIL population quantitative trait locus Oryza sativa L. |
url |
http://www.mdpi.com/1422-0067/14/4/8406 |
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