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Analysis of allelic variation of TaNCED1-5B and functional marker development for drought resistance in wheat

文献类型： 外文期刊

作者： Song, Guoqi 1 ; Zhang, Shujuan 1 ; Li, Wei 1 ; Zhang, Rongzhi 1 ; Li, Yulian 1 ; Gao, Jie 1 ; Li, Jihu 1 ; Chen, Mingli 1 ; Liu, Min 1 ; Li, Genying 1 ;

作者机构： 1.Shandong Acad Agr Sci, Crop Res Inst, Shandong Technol Innovat Ctr Wheat, Key Lab Wheat Biol & Genet Improvement North Yello, Jinan, Shandong, Peoples R China

关键词： Allelic variation; drought resistance; KASP; TaNCED1; wheat

期刊名称：CROP BREEDING AND APPLIED BIOTECHNOLOGY （ 影响因子：1.3； 五年影响因子：1.3 ）

ISSN： 1984-7033

年卷期： 2024 年 24 卷 2 期

页码：

收录情况： SCI

摘要： NCED1 (9-cis-epoxy carotenoid dioxygenase) plays important roles in controlling ABA levels and drought stress tolerance. The relationships between sequence polymorphisms of the TaNCED1 gene and drought resistance in wheat were analysed. Four allelic variations of the TaNCED1-5B generated to drought resistance were identified. Four groups of KASP (kompetitive allele-specific PCR) markers were developed based on the four alleles and were verified in a natural population of 311 wheat cultivars. The distribution of the four alleles of TaNCED1-5B in the natural population was clarified. Among the allelic variations, 84.62% of the wheat varieties with TT/-/C/-, TT/C/C/-, TT/-/C/G or TT/C/C/G haplotypes were dryland cultivars. The common feature of the above four haplotypes is that they all contain the TT (98) and C (343) alleles at the TaNCED1-5B-TT/CG (98) and TaNCED1-5B-C/T (343) loci, which indicated that these two locis had highly positive correlation with drought resistance in wheat.

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