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沙棘SRAP-PCR反应体系的优化及引物筛选 被引量:6

Optimization of the SRAP-PCR System for Sea Buckthorn(Hippophae rhamnoides) and Primers Screening
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摘要 为建立适合沙棘(Hippophae rhamnoides L.)的SRAP-PCR反应体系,对影响SRAP-PCR的Mg2+浓度、Taq DNA聚合酶浓度、引物浓度、dNTPs浓度、模板DNA浓度进行了优化。优化后的反应体系为Mg2+3.0 mmol/L、Taq DNA聚合酶2U/25μL、引物0.8μmol/L、dNTPs 0.25 mmol/L、模板DNA 30 ng/25μL,反应总体系25μL。利用此体系从30对引物组合中筛选出17对适合沙棘SRAP-PCR的引物,有助于沙棘的分子标记辅助育种研究。 The concentrations of Mg2+,Taq DNA polymerase,primers,dNTPs,template DNA affecting the SRAP-PCR reaction were optimized to establish the SRAP-PCR system for sea buckthorn(Hippophae rhamnoides L.).The optimum 25 μL reaction system contained 3.0 mmol/L Mg2+,2 U/25 μL Taq DNA polymerase,0.8 μmol/L primers,0.25 mmol/L dNTPs and 30 ng/25 μL DNA templates.17 out of 30 primer pair combinations were screened out using the optimized amplification system,which would support the molecular marker assisted breeding of sea buckthorn.
出处 《湖北农业科学》 北大核心 2012年第8期1691-1695,共5页 Hubei Agricultural Sciences
基金 国家自然科学基金项目(31100489)
关键词 沙棘(Hippophae rhamnoides L.) SRAP-PCR 优化 引物筛选 sea buckthorn(Hippophae rhamnoides L.) SRAP-PCR optimization primers screening
作者简介 赵春娥(1985-),女,河北衡水人,在读硕士研究生,研究方向为植物进化适应和遗传育种,(电话)15104085410(电子信箱)yingzil27536@163.com 李贺(1975-),讲师,主要从事植物遗传育种方面的研究,(电话)13555986036(电子信箱)lihe@dlnu.edu.cn。
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