SONG Xian-jun,XIE Fu-ti,ZHANG Wei,et al.OPTIMIZATION OF SSR DETECTION SYSTEM IN SOYBEAN[J].Soybean Science,2007,26(01):36-40.[doi:10.3969/j.issn.1000-9841.2007.01.009]
大豆SSR检测体系的优化研究
- Title:
- OPTIMIZATION OF SSR DETECTION SYSTEM IN SOYBEAN
- 文章编号:
- 1000-9841(2007)01-0036-05
- Keywords:
- Soybean; SSR; Detection system; Optimization
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 以大豆为试材,研究了大豆SSR检测体系中PCR扩增的各主要成分对检测结果的影响,确立了适宜的退火温度和反应体积,改进了PCR扩增程序和银染方法,进一步优化了适用于大豆的SSR检测体系。优化后的SSR反应体系为: 10×Buffer 1.00μL、2.00 ng/μL模板DNA、0.15 μmol/L SSR引物、150.00μmol/L dNTPs、0.50 U Taq酶、2.00mmol/L Mg2+,加ddH2O至终体积10.00μL。优化的PCR扩增程序为:94℃预变性3 min;94℃变性25s,47℃退火25s,72℃延伸30s,共35个循环;72℃延伸5min,4℃保存。优化后的检测体系更为经济有效。
- Abstract:
- Effects of major components of PCR amplification on soybean SSR detection results were studied. A SSR detection system suitable for soybean was established with improved PCR reaction system, PCR program and silver staining method. The optimized PCR amplification system was 10×Buffer 1.00μL, 2.00 ng/μL template DNA, 0.15 μmol/L SSR primer, 150.00μmol/L dNTPs, 0.50 U Taq enzyme, 2.00 mmoL/L Mg2+, adding ddH2O to terminal volume 10.00 μL. The optimized PCR cycles started at 94℃(3min),followed by 35 cycles of 25s at 94℃,25s at 47℃ and 30s at 72℃, and then extended 5min at 72℃.The optimized soybean SSR detection system was proved more economic and useful.
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备注/Memo
基金项目:本研究得到辽宁省教育厅科技项目(05L3781)和辽宁省科学技术计划项目(2006201008)的资助