一个水稻根长QTL qRL4的分离鉴定

doi:10.16819/j.1001-7216.2016.5071

中国水稻科学

一个水稻根长QTL qRL4的分离鉴定

徐晓明^1,2,3,# ,张迎信^1,3,# ,王会民^1,4,任翠⁵ ,王汝慈^1,3 ,沈希宏^1,3,占小登^1,3 ,吴玮勋^1,3 ,程式华^1,3 ,曹立勇^1,3,*

¹中国水稻研究所国家水稻改良中心，杭州 310006；²杭州师范大学，杭州 310036；³浙江省超级稻研究重点实验室杭州 310006；
⁴江西省农业科学院，南昌 330200；⁵河南农业大学，郑州 450002

收稿日期:2015-04-20 修回日期:2015-07-30 出版日期:2016-07-10 发布日期:2016-07-10
通讯作者: 曹立勇1,3,*
基金资助:
国家科技支撑计划资助项目（2011BAD35B02）; 浙江省自然科学基金资助项目（LQ14C130003）。

Identification of qRL4, a Major Quantitative Trait Locus Associated with Rice Root Length

XU Xiaoming^1,2,3,# , ZHANG Yingxin^1,3,# , WANG Huimin^1,4 , REN Cui⁵,WANG Ruci^1,3, SHEN Xihong^1,3, ZHAN Xiaodeng^1,3 , WU Weixun^1,3 , CHENG Shihua^1,3 , CAO Liyong^1,3,*,

¹National Rice Improvement Center， China National Rice Research Institute, Hangzhou 310006,China; ² Hangzhou Normal University, Hangzhou 310036, China; ³Key Laboratory for Zhejiang Super Rice Research, Hangzhou 310006, China; ⁴Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China; ⁵Henan Agricultural University, Zhengzhou 450002, China

Received:2015-04-20 Revised:2015-07-30 Online:2016-07-10 Published:2016-07-10
Contact: CAO Liyong1,3,*

摘要/Abstract

摘要：

为了分离鉴定 qRL4，以超级稻协优 9308 衍生重组自交系与轮回亲本中恢9308(R9308)回交多代的高代回交群体为材料，利用琼脂无土栽培技术,开展水稻根长QTL qRL4的分离鉴定研究，最后将 qRL4定位在第4染色体分子标记RM5687与InDel49间624.6 kb范围内。此基因的定位与分离鉴定将有助于水稻根长相关遗传机理的研究，为探究在基因水平上的水稻根系形态建成奠定了坚实基础。

关键词: 水稻, 根长, 数量性状基因座

Abstract:

To identify the qRL4, rice lines derived from the hybrid rice Xieyou 9308 with genetic backgroud of Zhonghui 9308 (R9308) and substituted segements from Xieqingzao B (XB) were agarcultivated for phenotyping of rice seedling root length and molecular markerbased genotyping. The qRL4 was finally narrowed to a 624.6 kb interval (RM5687-InDel49) on chromosome 4. The identification of qRL4 will be helpful to clarify genetic factors controlling root architecture in rice.

Key words: rice, root length, QTL

中图分类号:

徐晓明1,2,3,#,张迎信1,3,#,王会民1,4,任翠5,王汝慈1,3,沈希宏1,3,占小登1,3,吴玮勋1,3,程式华1,3,曹立勇1,3,*. 一个水稻根长QTL qRL4的分离鉴定[J]. 中国水稻科学 2016,30(4): 363-370. , DOI: 10.16819/j.1001-7216.2016.5071 .

XU Xiaoming1,2,3,#, ZHANG Yingxin1,3,#,WANG Huimin1,4, REN Cui5,WANG Ruci1,3, SHEN Xihong1,3,ZHAN Xiaodeng1,3,WU Weixun1,3,CHENG Shihua1,3,,CAO Liyong1,3,. Identification of qRL4, a Major Quantitative Trait Locus Associated with Rice Root Length[J]. Chinese Journal of Rice Science 2016,30(4): 363-370., DOI: 10.16819/j.1001-7216.2016.5071 .

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一个水稻根长QTL qRL4的分离鉴定

Identification of qRL4, a Major Quantitative Trait Locus Associated with Rice Root Length

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