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玉米ZmLBD7基因的序列变异分析 被引量:1

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摘要 LBD基因编码植物一类特有的转录因子,在植物生长发育中具有至关重要的作用。为分析特异在玉米穗部表达的ZmLBD7基因的核苷酸多样性,基于目标序列定点捕获对280个玉米自交系中的ZmLBD7位点进行了重测序。结果发现该基因在供试群体中有52个变异位点,其中32个为SNP,20个属于indel变异。由于该基因在演化过程中缺少遗传重组,该基因表现出偏离中性进化的特征,并且其编码区的5个变异仅等导致2种单倍型,编码2种蛋白质。
作者 滕青 尹双义
出处 《科技风》 2019年第16期229-231,共3页
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