CLONING AND MUTATION SITES ANALYSIS OF A PUTATIVE HD3A-LIKE GENE IN ELEVEN FOXTAIL MILLET CULTIVARS
文献类型： 外文期刊
作者： Jia, Xiaoping 1 ; Dai, Lingfeng 1 ; Quan, Jianzhang 2 ; Li, Zhiyong 2 ; Fan, Bingyou 1 ; Zhang, Hongxiao 1 ; Yu, Feiya 1 ;
作者机构： 1.Henan Univ Sci & Technol, Coll Agr, 70 Tian Jin Rd, Luoyang 471003, Hennan Province, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Inst Millet Crops, Hitech Dev Zone, 162 Hengshan St, Shijiazhuang 050031, Hebei, Peoples R China
关键词： Foxtail millet; Hd3a gene; single nucleotide polymorphism; insertion-deletion; linkage disequilibrium analysis; association analysis
期刊名称：PAKISTAN JOURNAL OF AGRICULTURAL SCIENCES （ 影响因子：0.748； 五年影响因子：0.854 ）
ISSN： 0552-9034
年卷期： 2018 年 55 卷 1 期
页码：
收录情况： SCI
摘要： Heading date 3a (Hd3a), a rice ortholog of FT gene, promotes transition to flowering under short-day conditions. Here a putative Hd3a-like gene was cloned in eleven foxtail millet cultivars including "8322-14", "An04-5014", Jigu1, Jigu27, "Jiyecong4", Longgu26, "Xianzihui", Yugul, Zheng8041, Zhenggu2 and Zhengzhoul2. Totally 26 mutation sites including 23 SNPs and 3 Indels were found among 11 Hd3a-like gene sequences. All the mutation sites arose only from the variation of two cultivars, Jigu27 and "An04-5014", which led to a premature termination at Aa107 of Jigu27 Hd3a protein and quite a few frame-shift mutations after Aa137 of "An04-5014" Hd3a protein. LD analysis found a large LD structure which included 15 SNP sites and 2 Indel sites. Finally, association analysis between 26 mutation sites and eight phenotypic traits including plant height (PH), heading date (HD), panicle length (PL), ear diameter (ED), panicle weight (PW), spikelet number (SN), grain number per branch (GN) and 1000-grain weight (1000-GW) was performed, only PH was correlated with 18 mutation sites (p<0.05).
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