云南丽江山慈菇遗传多样性的DALP分析

被引:8
作者
王海英
虞泓
李南高
和锐
张明宇
机构
[1] 云南大学生命科学院生态遗传学实验室,云南大学生命科学院生态遗传学实验室,昆明制药集团股份有限公司,云南英茂生物技术实验室,云南大学生命科学院生态遗传学实验室云南昆明,云南昆明,云南英茂生物技术实验室,云南昆明,云南昆明,云南昆明,云南昆明
关键词
丽江山慈菇; DALP; 遗传多样性;
D O I
暂无
中图分类号
Q943 [植物细胞遗传学];
学科分类号
071007 ; 090102 ;
摘要
采用DALP (Direct amplification of length polymorphism) 分子标记技术, 对产自云南的药用植物丽江山慈菇Iphigenia indica (L.) Kunth的9个居群进行DNA指纹检测。筛选出5个引物组合, 扩增共产生131条DNA片段, 其中104 条谱带具有遗传多态性, 约占79 39%, 平均每组引物扩增所得多态条带为20 8, 9个居群平均多态百分率为42 21%。9个居群平均观察等位基因数Na为1 4224, 总Na为1 7939; 平均有效等位基因数Ne 为1 3141, 总Ne 为1 4810; 平均遗传多样性指数H为0 1745, 总H为0 2831; 平均Shannon 多样性指数I 为0 2527, 总I为0 4231; 总基因多样性Ht为0 2831, 居群内多样性Hs 为0 1745, 居群间基因分化系数Gst为0 3834, 即丽江山慈菇有61 66%的遗传变异来自居群内, 38 34%来自居群间, 居群间存在较高水平的遗传分化。滇西北居群的遗传多样性明显高于滇中居群的遗传多样性, 这与滇中地区丽江山慈菇野生资源被大规模挖掘有着直接的关系。
引用
收藏
页码:156 / 162
页数:7
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