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出 处:《上海水产大学学报》2007年第4期381-388,共8页Journal of Shanghai Fisheries University
基 金:上海市科技兴农重点攻关项目(沪农科攻字2005第4-2号;沪农科攻字2006第10-5号);上海市重点学科建设项目(T1102);上海高校选拔培养优秀青年教师科研专项基金(677171401)
摘 要:综述了新兴的不依赖于培养的微生物分子生态学技术,包括两类:不基于微生物总基因组DNA的分析方法,主要有单碳源利用图谱法和磷脂脂肪酸图谱法;基于微生物总基因组DNA的分子分析方法,主要有克隆文库分析法、宏基因组文库技术、G+C含量分析法、总DNA复性动力学分析法、群落水平总基因组DNA交互杂交法、荧光原位杂交技术、DNA微阵列芯片技术、变性/温度梯度凝胶电泳、单链构象多态性分析、限制片段长度多态性/扩增核糖体DNA限制性分析、末端标记限制片段长度多态性、核糖体基因间隔区分析、随机扩增多态性DNA等。并提出了这套技术在食品产业中的应用前景:发现新菌种,生产新型酶制剂,优化改造新工艺,确保食品质量与安全等,为食品产业的继续开发提供新的技术支持。This paper reviewed the new techniques of molecular microbial ecology, which included two kinds of methods, and one was non-based on genomie DNA, including sole carbon source utilization patterns (SCSUP) and phospholipids fatty acid patterns (PLFA) ; the other was based on genomie DNA, including clone library analysis, metagenomies library analysis, guanine + cytosine (G + C ) content analysis, total DNA reassociation, community level-DNA cross hybridization, fluorescence in situ hybridization (FISH), DNA micro-array, denaturing/temperature gradient gel electrophoresis ( DGGE/TGGE conformational polymorphisms (SSCP), restriction fragment length polymorphism ), single-stranded ( RFLP )/amplified ribosomal DNA restriction analysis (ARDRA), terminal restriction fragment length polymorphism (T-RFLP), ribosomal intergenic spacer analysis (RISA), randomly amplified polymorphic DNA (RAPD), and so on. Their potential applications in food industry were summarized: discovery of new strains, producing new enzymes, improving new techniques, and keeping food quality and safety. It provides new technical supports for deeper development of food industry.
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