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芒果SSR-PCR反应体系的优化 被引量:5

Optimization of SSR-PCR Reaction System of Mango (Mangifera indica Linn.)
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摘要 通过正交实验,以芒果品种金煌芒为材料,对影响芒果SSR-PCR反应体系中的Mg2+、dNTPs、Taq酶、模板DNA、引物这5个因素进行了优化。结果表明,各因素水平变化对PCR反应影响的显著性依次为:模板DNA>dNTPs>引物>Mg2+>Taq酶。最终确立SSR反应体系的最优条件为:20μL体系中,10×buffer2μL,模板DNA80ng,dNTPs0.4mmol/L,引物0.2μmol/L,Mg2+1.8mmol/L,Taq酶0.75U。 Five factors influencing SSR-PCR of mango, such as the concentration of Mg2+, dNTPs, Taq polymerase, template DNA and primer were optimized by an orthogonal design with mango cultivar‘Jin Huang’as material. The results showed the significance of the effect of five factors on the PCR reaction was in the order of template DNA〉dNTPs〉primer〉Mg2+〉Taq polymerase, and that a suitable 20 μl SSR reaction system was established, containing 10×buffer 2 μl, 80 ng template DNA, 0.4 mmol/L dNTPs, 0.2 μmol/L primer, 1.8 mmol/L Mg2+ and 0.75 U Taq polymerase
出处 《热带作物学报》 CSCD 2010年第3期410-415,共6页 Chinese Journal of Tropical Crops
基金 国家自然科学基金项目(No.30760147) 广东省农业攻关计划项目(No.2005B20901026) 农业科技成果转化资金项目(No.2008GB48B06) 林业科技支撑计划项目(No.2006BAD01A1705) 公益性行业科研专项经费项目"芒果规范栽培及冷藏贮藏技术研究"资助
关键词 芒果 SSR 正交设计 体系优化 mango SSR orthogonal design system optimization.
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