|本期目录/Table of Contents|

[1]武丽娟,陈月星,刘小凤,等.PCR反应程序对土壤微生物PCR-DGGE分析的影响[J].江苏农业科学,2018,46(21):48-52.
 Wu Lijuan,et al.Effect of PCR procedures on PCR-DGGE analysis of soil microbial community[J].Jiangsu Agricultural Sciences,2018,46(21):48-52.
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PCR反应程序对土壤微生物PCR-DGGE分析的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第21期
页码:
48-52
栏目:
生物技术
出版日期:
2018-11-05

文章信息/Info

Title:
Effect of PCR procedures on PCR-DGGE analysis of soil microbial community
作者:
武丽娟1 陈月星2 刘小凤1 宋月1 张战凤1 樊永亮1
1.西北农林科技大学植物保护学院,陕西杨凌 712100; 2.西北农林科技大学农学院,陕西杨凌 712100
Author(s):
Wu Lijuanet al
关键词:
土壤微生物群落结构种群多样性PCR-DGGEPCR反应程序
Keywords:
-
分类号:
S154.3
DOI:
-
文献标志码:
A
摘要:
利用聚合酶链式反应-变性梯度凝胶电泳(PCR-DGGE)探讨不同PCR反应程序(降落式PCR、巢式-降落式PCR、普通PCR、巢式PCR)对土壤微生物PCR-DGGE群落结构和种群多样性分析的影响。利用Quantity One 462软件对DGGE指纹图谱进行数字化处理,并计算相应PCR程序下DGGE图谱的多样性指数、丰富度指数、均匀度指数和不同反应程序下图谱的戴斯系数,应用SPSS 16.0软件对相关指数进行方差分析,检测不同反应程序间各指数的差异显著性。不同PCR反应程序在土壤微生物PCR-DGGE分析时,其群落结构和种群多样性指数间存在明显差异。单纯应用降落式PCR虽然提高了扩增的特异性,却降低了扩增效率,其DGGE图谱丰富度较低,多样性较差,与其他反应程序的DGGE图谱相似度较低;普通PCR反应的DGGE图谱多样性和丰富度较高,与2种巢式PCR相似,然而由于普通PCR在复杂模板情况下容易发生错配,难以保证扩增特异性,因而夸大样品中微生物种群多样性,与2种巢式PCR的DGGE图谱相似度较低。2种巢式PCR反应程序下的DGGE图谱条带丰富,多样性高,群落结构相似度高,能比较全面和科学地反映样品中微生物群落结构和种群多样性。因此,在利用PCR-DGGE分析土壤微生物群落结构和种群多样性时,采用巢式PCR(包括巢式PCR和巢式-降落式PCR)比较合适。研究PCR反应程序对土壤微生物PCR-DGGE分析的影响,可为PCR-DGGE技术在土壤微生物群落结构和多样性分析中的应用和完善提供理论依据。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-05-14
基金项目:国家自然科学基金(编号:31772533)。
作者简介:武丽娟(1984—),女,山西临汾人,硕士,实验师,主要从事蛋白电泳技术相关研究。E-mail:wu_lijuan@nwafu.edu.cn。
通信作者:樊永亮,博士,研究员,主要从事昆虫生理生化和分子生物学研究。Tel:(029)87082351;E-mail:yfan@nwafu.edu.cn。
更新日期/Last Update: 2018-11-05