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lg1核苷酸多态性与玉米叶夹角的关联分析

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摘要 为了探究lg1与玉米叶夹角发育相关的优异变异位点,本研究重测序了348份自交系、68份地方品种和32份大刍草的lg1序列,通过序列变异分析发现lg1在玉米驯化的过程中可能受到了选择;基于候选基因关联分析结果,共鉴定出5个与玉米叶夹角性状显著关联的变异位点。显著位点SNP-1176对叶夹角(LA)的贡献率最高,贡献率达到6.78%,结果表明,lg1基因可能参与了玉米叶夹角的发育,可以利用这些显著标记改良玉米的叶夹角形态。
机构地区 扬州大学
出处 《湖北农机化》 2021年第5期59-61,共3页
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