玉米籽粒突变体的表型分析和基因定位(5) - 玉米科学杂志社投稿_期刊论文发表|版面费|电话|编辑部|论文发表- 玉米科学

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玉米籽粒突变体的表型分析和基因定位(5)

作者:

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摘要：

4 结论

本研究以B73为背景材料通过EMS诱变得到1个可以稳定遗传的籽粒突变体, 该突变体籽粒变小,胚和胚乳发育严重滞后, 胚乳 BETL层细胞发育迟缓, 细胞壁发育向内生长受阻。利用图位克隆将SMK7定位在 2号染色体短臂 RM～RM15这2个SNP标记内, 物理距离约为120 kb, 在该区间内没有已克隆的籽粒发育相关基因,因此SMK7可能是1个调控籽粒发育的新基因。

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