Analysis of allelic variation of TaNCED1-5B and functional marker development for drought resistance in wheat
文献类型： 外文期刊
第一作者： Song, Guoqi
作者： Song, Guoqi;Zhang, Shujuan;Li, Wei;Zhang, Rongzhi;Li, Yulian;Gao, Jie;Li, Jihu;Chen, Mingli;Liu, Min;Li, Genying
作者机构：
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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