文献类型： 外文期刊
作者： Wang, Wenxiang 1 ; Chu, Wen 1 ; Wang, Hui 1 ; Han, Mei 3 ; Wang, Wei 3 ; Cheng, Hongtao 1 ; Mei, Desheng 1 ; Hu, Qiong 1 ; Huang, Taocui 3 ; Liu, Jia 1 ; Huang, Taocui 3 ;
作者机构： 1.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Oil Crops Res Inst, Key Lab Biol & Genet Improvement Oil Crops, Wuhan 430062, Peoples R China
2.Anhui Acad Agr Sci, Crops Res Inst, Hefei 230001, Anhui, Peoples R China
3.Chongqing Acad Agr Sci, Chongqing 401329, Peoples R China
关键词：
期刊名称：MOLECULAR BREEDING （ 影响因子：3.0； 五年影响因子：3.0 ）
ISSN： 1380-3743
年卷期： 2025 年 45 卷 9 期
页码：
收录情况： SCI
摘要： Rapeseed pods are prone to dehiscence, resulting in yield loss at maturity. In the present study, we investigated the shatter resistance index (SRI) of 280 doubled haploid (DH) lines derived from a cross between ZS11 (susceptible line) and R11 (resistant line). Based on the phenotypic data obtained from four environments and a high-density genetic map, a significant QTL (qSRI.A06) for shatter resistance on A06 chromosome were stably detected. This locus explained 4.80% - 15.00% of the phenotypic variation and the peak position covered a 664 Kb region. The effect of qSRI.A06 was verified in BC3F2 and BC3F3 populations and delimited in a 90.8 Kb region comprising 11 genes. Out of these genes, a differencially expressed gene, BnaA06g27900D, was identified to be involved in cell wall development by comparative transcriptome analysis. Regional association revealed four SNP/Indel variations in the promoter associated with pod shattering resistance. The highest Indels A06-41975887 showed suggestive association with SRI (p = 8.80E-06) with a TG allele variation. The stable locus qSRI.A06 and the candidate gene BnaA06g27900D will be helpful for understanding the resistance mechanism and improving shatter resistance in rapeseed.
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