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Development of a specific molecular marker for SLG7 on high-quality rice breeding

文献类型： 外文期刊

作者： Zhou, Lei 1 ; Li, Erjing 1 ; Chang, Meng 1 ; Xu, Huashan 1 ; You, Aiqing 1 ;

作者机构： 1.Hubei Acad Agr Sci, Food Crops Inst, Hubei Key Lab Food Crop Germplasm & Genet Improve, Wuhan 430064, Peoples R China

2.Wuhan Univ, Coll Life Sci, Wuhan 430072, Peoples R China

3.Hubei Hongshan Lab, Wuhan 430070, Peoples R China

关键词： grain shape; SLG7 gene; marker-assisted selection; functional marker; rice

期刊名称：JOURNAL OF GENETICS （ 影响因子：1.166； 五年影响因子：1.212 ）

ISSN： 0022-1333

年卷期： 2021 年 100 卷 2 期

页码：

收录情况： SCI

摘要： In recent years, the long-grain shape has been found as a new desired quality trait in the breeding of rice in China. The SLG7 gene is a novel gene responsible for slender grain shape in rice. So far, not much information is known regarding the functional molecular markers of SLG7. In this study, a functional marker M-SLG7 for the 11-bp deletion of promoter region of SLG7 was developed. Specificity and applicability of the marker were verified by 60 core breeding accessions and two breeding populations. The accessions, which possessed the SLG7 allele with 11-bp deletion in the promoter region, had longer grain length and better quality. Here, we recommend the use of the simple, inexpensive assay for routine genotyping of slender grain and lower chalkiness in the breeding population for discrimination of SLG7 genotype in rice germplasm.

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