烤后烟叶SSR反应体系的优化研究
The optimization research of flue-cured tobacco SSR reaction system
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摘要: 以烤烟RG11品种为原料,研究烤后烟叶简单重复序列(SSR)分析中聚合酶链式反应(PCR)体系各主要因素及其之间的相互作用对SSR扩增的影响,结果表明:烤后烟叶SSR-PCR反应最佳体系为20 μL体系中含35 ng模板DNA,1.5 U TaqDNA聚合酶,2.375 mmol/L MgCl2,0.6 mmol/LdNTPs和0.4 μmol/L引物.Abstract: Using flue-cured tobacco varieties RG11 as raw materials, the influence of simple sequence repeat(SSR) amplification on flue-cured tobacco SSR analysis of polymerase chain reaction(PCR) system of the main ingredients and among was studied, and the results showed that flue-cured tobacco SSR-PCR for 20 μL system, including template DNA 35 ng, 1.5 U TaqDNA polymerase, 2.375 mmol/L MgCl2, 0.6 mmol/L dNTPs, 0.4 μmol/L primer.
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