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食品研究与开发:2019,40(11):194-199
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黄酒熟麦曲中细菌多样性的评价
(湖北文理学院食品科学技术学院 鄂西北传统发酵食品研究所,湖北 襄阳 441053)
Evaluation of the Bacterial Diversity in Chinese Rice Wine Cooked Wheat Qu
(Northwest Hubei Research Institute of Traditional Fermented Food,College of Food Science and Technology of Hu Bei University of Arts and Science,Xiangyang 441053,Hubei,China)
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投稿时间:2018-08-31    
中文摘要: 以黄酒熟麦曲为研究对象,采用聚合酶链式反应-变性梯度凝胶电泳(polymerase chan reaction-denaturing gradient gel electrophoresis,PCR-DGGE)与MiSeq 高通量测序技术相结合的方法对其细菌多样性进行解析。DGGE 结果表明:Bacillus(芽孢杆菌)、Weissella(魏斯氏菌)、Pediococcus(片球菌)、Staphylococcus(葡萄球菌)和 Lactobacillus(乳酸杆菌)普遍存在于麦曲样品中。MiSeq 高通量测序结果表明:熟麦曲中的细菌门主要为Firmicutes、Proteobacteria 和Actinobacteria,平均相对含量分别为87.95%、9.00%和1.16%。熟麦曲中的细菌属主要为Bacillus(芽孢杆菌属)、Weissella(魏斯氏属)、Staphylococcus(葡萄球菌)、Klebsiella(克雷伯菌属)、Pantoea(泛菌属)和 Lactobacillus(乳杆菌属),其平均相对含量分别为70.70%、8.55%、2.67%、2.29%、1.32%和1.07%。由此可见,Bacillus(芽孢杆菌)为熟麦曲中的优势细菌。
Abstract:The bacteria diversity of Chinese rice wine cooked wheat Qu samples was analyzed by polymerase chain reaction-denaturing gradient gel electrophoresis(PCR-DGGE)and MiSeq high throughput sequencing.The result of DGGE profile showed that Bacillus,Weissella,Pediococcus,Staphylococcus and Lactobacillus were commonly detected in all wheat Qu samples.Result of MiSeq high-throughput sequencing indicated that Firmicutes,Proteobacteria and Actinobacteria were domain phyla in cooked wheat Qu samples,with the relative abundance of 87.95 % ,9.00 % and 1.16 %.Meanwhile,Bacillus,Weissella,Staphylococcus,Klebsiella,Pantoea and Lactobacillus were domain genera,with the relative abundance of 70.70%,8.55 %,2.67%,2.29%,1.32%and 1.07%,respectively.Thus,the main dominant bacteria in cooked wheat Qu were composed of Bacillus.
文章编号:201911035     中图分类号:    文献标志码:
基金项目:湖北省教育厅科学技术研究计划中青年人才项目(Q20152603)
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