ZHANG Yunxiu,YANG Meiling,YU Weiwei,et al.Optimization of SSR-PCR Reaction System forMalus sieversii (Lebed.) Roem.[J].Northern Horticulture,2017,41(15):29-35.[doi:10.11937/bfyy.20165044]
新疆野苹果SSR-PCR反应体系的优化
- Title:
- Optimization of SSR-PCR Reaction System forMalus sieversii (Lebed.) Roem.
- Keywords:
- Malus sieversii; extract genomic DNA; SSR-PCR; optimization
- 文献标志码:
- A
- 摘要:
- 以新疆野苹果叶片为试材,采取改良CTAB法提取基因组,参照基本PCR反应体系,采用控制变量的方法,研究了各成分不同的浓度梯度对新疆野苹果SSR-PCR扩增的影响,为新疆野苹果的遗传育种奠定基础。结果表明:新疆野苹果SSR扩增的最佳体系为10×PCR buffer 2.5 μL,dNTP 0.2 mmol?L-1,0.2 mmol?L-1引物,0.5 U Taq DNA聚合酶,100 ng DNA模板。并用此优化体系对154份新疆野苹果进行了稳定性、普遍性验证,扩增效果较好。
- Abstract:
- CTAB method was adopted to extract genomic DNA from the dried leaves of Malus sieversii (Lebed.) Roem.The effect of different concentrations of components on SSR-PCR was studied by using control variate method referring to basic PCR system in order to lay the foundation of genetic breeding for Malus sieversii (Lebed.) Roem.The results showed that the optimal SSR-PCR system was 10×PCR buffer 2.5 μL,dNTP 0.2 mmol?L-1,0.2 mmol?L-1 primers,0.5 U Taq DNA polymerase,100 ng DNA template;154 kinds of Malus sieversii germplasm were used to test the stability and universality of system,amplification effect was good.
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备注/Memo
第一作者简介:张云秀(1991-),女,山东章丘人,硕士研究生,研究方向为新疆野苹果种质资源利用与保护。E-mail:13116012750@163.com.责任作者:阎国荣(1957-),男,甘肃敦煌人,博士,教授,现主要从事果树种质资源与生理生态等研究工作。E-mail:yanguorong@eyou.com.基金项目:新疆维吾尔自治区财政林业科技专项资助项目(400474)。收稿日期:2017-02-16