摘要
基因组DNA提取方法是评价微生物种群多样性的关键因素,文章研究了不同提取方法对石油烃降解产甲烷菌群结构的影响。分别采用如下五种方法提取纯化DNA:方法 I:玻璃珠振荡破壁、Tris平衡酚(pH值8.0)、氯仿、异戊醇提取,Promega试剂盒纯化法;方法 II:玻璃珠振荡破壁,水饱和酚(pH值5.2)、氯仿、异戊醇提取,Promega试剂盒纯化法;方法 III:进口试剂盒1+核酸自动提取仪法,方法 IV:玻璃珠振荡破壁,核酸自动提取仪提取法;方法 V:国产试剂盒提取法。通过末端限制性片段长度多态性(T-RFLP)分析细菌和古菌群落结构组成。采用不同方法获得的细菌和古菌的主要菌群结构类似,但是相对丰度存在差异。
The method of genomic DNA extraction is a key factor to evaluate microbe community diversity. Five methods of extracting and purifying DNA were experimented in this study: method I : beads-beating, Tris saturated phenol( pH 8.0), chloroform, isoamylol extraction, Promega DNA purify kit; method Ⅱ : beads-beating, water saturated phenol ( pH 5.2 ), chloroform, isoamylol extraction, Promega DNA purify kit; method Ⅲ : nucleic acid automatic extraction method; method IV : beads-beating, nucleic acid automatic extraction method; method V : domestic kit method. The T-RFLP was adopted to analysis the composition of bacteria and archaea community. The result showed that community structures obtained by different method were similar, but the relative abundance were different.
出处
《中国沼气》
北大核心
2014年第3期3-7,共5页
China Biogas
基金
国家"863"项目(2013aa064401)
四川省国际科技合作与交流计划项目(2013HH0018)
关键词
基因组DNA提取方法
烃降解产甲烷菌系
微生物群落
genomic DNA
extraction method
methanogenie bacteria
hexedecane-degrading consortium
Microbial coramunity