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牛乳中嗜冷菌的PCR快速检测

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  • 1.浙江科技学院生化学院/轻工学院,浙江杭州310023;2.浙江省农产品化学与生物加工技术重点实验室,浙江杭州310023;
    3.浙江省农业生物资源生化制造协同创新中心,浙江杭州310023
楼 坚(1980—),男,浙江杭州人,讲师,研究方向为生物工程、工业微生物,E-mail:loujianzust@126.com.通信作者:刘士旺教 授,E-mail:shiwangliu@163.com.

基金资助

国家级大学生创新创业训练计划(201311057009);浙江省教育厅科研项目(Y201224264);浙江省农业生物资源生化制造协同
创新中心开放基金(2016KF0032);浙江省农产品化学与生物加工技术重点实验室开放基金(2013KF034)

PCR rapid detection of psychrophilic bacteria in cows milk

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  • 1.School of Biological and Chemical Engineering/School of Light Industry,Zhejiang University of Science and Technology,
    Hangzhou 310023,China;2.Zhejiang Provincial Key Lab for Chem&Bio Processing Technology of Farm Product,
    Hangzhou 310023,China;3.Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resources
    Biochemical Manufacturing,Hangzhou 310023,China

摘要

利用选择性培养基分离牛乳中的嗜冷菌,通过形态学特征观察和生理生化试验鉴定分离株,
判断分离株为杆菌属和球菌属.根据菌属基因序列设计PCR引物,提取基因组DNA进行PCR快
速检测,通过测序比对确定分离株为嗜冷杆菌和腐生葡萄球菌.

关键词: 牛乳; 嗜冷菌; PCR

本文引用格式

楼 坚,申雨珂,刘梦云,靳羽晓,叶剑钦,尤玉如,毛建卫,刘士旺 . 牛乳中嗜冷菌的PCR快速检测[J]. 发酵科技通讯, 2017 , 46(1) : 36 -41 . DOI: 10.16774/j.cnki.issn.1674-2214.2017.01.008

Abstract

Psychrophilic bacteria were isolated from the cows milk by CVT selective medium,and the
isolated strains were identified as bacillus and coccus through morphological observation and common
physiological and biochemical experiment.It was further identified as Psychrobacter sp.and
Saprophyticus sub sp.by PCR rapid detection with primers designed according to gene sequence.
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