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霍山产3种药用石斛及其杂交优势种的ISSR-PCR分子标记鉴别
ISSR-PCR Molecular Identification of Three Species of Medicinal Dendrobium and It’s Heterosis Species from Huoshan
【摘要】 目的:利用ISSR分子标记技术对安徽霍山产3种药用石斛及其杂交优势种进行鉴别。方法:优化ISSR-PCR反应体系:引物[(AC)8CT]0.5μM,Mg2+2.0 mM,dNTP 200μM,Taq 1 U/20μl,筛选出RP值高的引物,建立ISSR分子标记指纹图谱。结果:根据ISSR分子标记指纹图谱可以鉴别霍山产3种药用石斛及其杂交优势种。结论:ISSR分子标记技术可用于霍山产3种药用石斛及其杂交优势种鉴别,且简单、经济、重现性好。
【Abstract】 Objective:Indentify three Species of Medicinal Dendrobium and it’s heterosis Species from HuoShan by ISSR fingerprint.Method:Optimizing reaction system:primer [(AC)8CT]0.5 μM,Mg2+ 2.0 mM,dNTP 200 μM,Taq 1 U/20 μl,and selecting the primer of higher RP value,establishing ISSR molecular marker fingerprint.Result:Three Species of Medicinal Dendrobium and it’s heterosis Species from HuoShan can be indetfied with ISSR fingerprint.Conclusion:ISSR molecular marker technology can be used to identify three Species of Medicinal Dendrobium and it’s heterosis Species from huoshan.It is a simple,economical,quick and reliable molecular marker technique.
【Key words】 huoshan anhui; Medicinal Dendrobium; ISSR fingerprint; identification;
- 【文献出处】 种子 ,Seed , 编辑部邮箱 ,2009年02期
- 【分类号】S567.239
- 【被引频次】31
- 【下载频次】352