LIU Zhenya,XIONG Renci,ZHU Tiansheng.Optimization of ISSR and RAPD-PCR Reaction Systems for Alternaria Small-spored Species[J].Northern Horticulture,2015,39(14):105-110.[doi:10.11937/bfyy.201514028]
链格孢属小孢子种ISSR和RAPD-PCR最佳反应体系的建立
- Title:
- Optimization of ISSR and RAPD-PCR Reaction Systems for Alternaria Small-spored Species
- 文献标志码:
- A
- 摘要:
- 以13个链格孢属小孢子种菌株为试材,采用正交实验设计的方法,研究Mg2+ 、dNTPs、Taq DNA聚合酶和引物4个因素在4个水平上对链格孢属小孢子种的ISSR和RAPD反应体系的影响。结果表明:链格孢属小孢子种ISSR和RAPD的最佳反应体系为25 μL的ISSR-PCR反应体系中,10×PCR Buffer 2.50 μL,Mg2+浓度为2.50 mmol/L,dNTPs浓度为0.10 mmol/L,引物浓度为0.30 μmol/L,Taq DNA聚合酶用量为1.25 U;在RAPD-PCR反应体系中,10×PCR Buffer 2.50 μL,Mg2+浓度为2.00 mmol/L,dNTPs浓度为0.15 mmol/L,引物浓度为0.60 μmol/L,Taq DNA聚合酶用量为1.25 U;在此基础上,对最佳反应体系的退火温度进行了筛选确定;在确定退火温度后,采用最佳反应体系,用ISSR引物UBC808和RAPD引物OPE07进行稳定性和通用性验证,结果表明该优化反应体系具有较好的稳定性和通用性。
- Abstract:
- Using13 Alternaria small-spored species as materials,the orthogonal design were used to optimize ISSR and RAPD reaction system for Alternaria small-spored species,four influding factors on ISSR and RAPD,including Mg2+,dNTPs,TaqDNA polymerase and primer at four levels.The results showed that the optimal ISSR and RAPD reaction system for Alternaria small-spored species were established as follows:in 25 μL ISSR-PCR system were 10×PCR Buffer 2.50 μL,2.50 mmol/L Mg2+,0.10 mmol/L dNTPs,0.30 μmol/L primer,1.25 U Taq DNA polymerase;in ISSR-PCR system were 10×PCR Buffer 2.50 μL,2.00 mmol/L Mg2+,0.15 mmol/L dNTPs,0.60 μmol/L primer,1.25 U Taq DNA polymerase;decided the annealing temperature of optimal reaction system,then ISSR primer UBC808 and RAPD primer OPE07 were used to carry out stable and adaption in the optimal ISSR and RAPD reaction system at the optimal annealing temperature,indicating that the optimal ISSR and RAPD reaction system were stable and adapted.
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备注/Memo
第一作者简介:刘振亚(1987-),男,硕士研究生,研究方向为果树病理学。E-mail:liuzhenya_sm@126.com.责任作者:朱天生(1974-),男,硕士,副教授,现主要从事植物病理学等研究工作。E-mail:ztszky@163.com.基金项目:兵团产学研重大合作科技专项资助项目(2013AA001-1);北京市援助和田科技攻关资助项目(201106)。