构树ISSR反应体系的优化与建立

Forest Research(2013)

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Abstract
利用正交试验对Taq酶浓度、引物浓度、dNTPs浓度、Mg2+浓度和模板DNA浓度5个因素进行优化,从而建立了一套适宜构树的ISSR-PCR反应体系.在20 μL的反应体系中,各反应物的最适宜含量为:0.07 U·μL-1 TaqDNA聚合酶、0.35 μmol·L-1ISSR引物、0.3 mmol·L-dNTPs,2.0 mmol·L-Mg2+、1.2 ng· μL-1模板DNA.PCR扩增程序为:94℃预变性5min,94℃变性30 s,46℃退火45 s,72℃延伸2 min,40个循环.
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Key words
Broussonetia papyrifera,ISSR,Optimization by orthogonal tests,PCR reaction system
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