WANG Shuzhen,ZHA Sansheng,CHENG Cheng,et al.Study on the Orthogonal Optimization of ISSR-PCR Reaction System of Rhododendron simsii[J].Northern Horticulture,2015,39(14):111-114.[doi:10.11937/bfyy.201514029]
杜鹃花ISSR-PCR反应体系的建立和优化
- Title:
- Study on the Orthogonal Optimization of ISSR-PCR Reaction System of Rhododendron simsii
- 文献标志码:
- A
- 摘要:
- 以杜鹃花为试验材料,采用正交实验方法,研究模板DNA浓度、ISSR引物浓度、dNTPs浓度、Taq DNA聚合酶浓度、Mg2+浓度等5个因素对ISSR-PCR反应体系的影响,以建立适合杜鹃花的ISSR-PCR最佳扩增体系。结果表明:杜鹃花ISSR反应体系的最佳条件为模板DNA用量为60 ng/20μL,ISSR引物浓度0.60 μmol/L,dNTPs浓度0.50 μmol/L,Taq DNA聚合酶浓度30 U/mL,Mg2+浓度为0.6 mmol/L。采用该反应体系可以从10份杜鹃花(R.simsii)基因组内扩增出稳定性高、重复性好ISSR-PCR产物。该研究为杜鹃花的遗传多样性分析、ISSR指纹图谱构建、亲缘关系鉴定等研究奠定了基础。
- Abstract:
- Taking Rhododendron simsii as materaial,the orthogonal test system was adopted to establish the ISSR-PCR amplification system and optimize amplification condition for Rhododendron simsii.The effect of template DNA concentration,ISSR primer concentration,dNTPs concentration,Taq DNA polymerase concentration,and Mg2+ concentration on amplification results of ISSR-PCR were studied.The results showed that the optimal 20 μL ISSR-PCR reaction system including 60 ng genomic DNA,0.60 μmol/L primer,0.50 μmol/L dNTPs,30 U/mL Taq DNA polymerase,and 0.6 mmol/L Mg2+.This system also gave stable and reliable results in other ISSR primers.Therefore,the established ISSR-PCR reaction system would be helpful in the following genetic diversity analysis,the construction of ISSR fingerprints,phylogenetic analysis of R.simsii.
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备注/Memo
第一作者简介:王书珍(1984-),女,河南郑州人,博士,讲师,现主要从事植物分子遗传学等研究工作。E-mail:wangshuzhen04@163.com.责任作者:金卫斌(1961-),男,湖北荆州人,博士,教授,现主要从事生态学等研究工作。E-mail:wangshuzhen710@whu.edu.cn.基金项目:黄冈师范学院博士启动基金资助项目(2013030903);经济林木种质改良与资源综合利用湖北省重点实验室开放基金资助项目(2013000403)。