ISTR在部分柿属植物种质鉴定和亲缘关系分析中的应用

被引:11
作者
杜晓云 [1 ,2 ]
张梦思 [1 ]
罗正荣 [1 ]
张青林 [1 ]
机构
[1] 华中农业大学园艺植物生物学教育部重点实验室
[2] 山西运城学院生命科学系
关键词
柿属; 亲缘关系; 反向序列标签重复技术; 逆转座子分子标记;
D O I
10.16420/j.issn.0513-353x.2009.04.006
中图分类号
S665.2 [柿];
学科分类号
090201 ;
摘要
利用反向序列标签重复技术(inverse sequence-tagged repeat,ISTR),对柿属7个种,包括柿(Diospyros kaki Thunb.)、君迁子(D.lotus L.)、浙江柿(D.glaucifolia Metc.)、油柿(D.oleifera Cheng.)、金枣柿(D.sp.)、老鸦柿(D.rhombifolia Hemsl.)和美洲柿(D.virginiana L.)共32个基因型进行了种质鉴定和亲缘关系研究。结果表明:ISTR可区分供试柿属植物中的30份;ISTR能够很好地适用于柿属植物亲缘关系分析;供试的中国与日本原产柿种质分别聚类;新发现的中国甜柿变异类型与日本甜柿的亲缘关系较远且存在较丰富的遗传变异,可能是潜在的育种资源。ISTR标记可在柿属植物种质资源鉴定和亲缘关系分析中更广泛地应用。
引用
收藏
页码:481 / 486
页数:6
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