期刊
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
卷 27, 期 4, 页码 953-959出版社
SPRINGER
DOI: 10.1007/s11274-010-0538-9
关键词
Multiplex PCR; Salmonella; V. cholerae; E. coli; Genus specific genes
资金
- Dept. of Biotechnology, Govt. of India, New Delhi, India
A multiplex PCR based assay was developed for the identification of the genus Salmonella. Five sets of primers from different genomic sequences such as fimA, himA, hns, invA and hto genes were selected for the identification of serogroups of Salmonella enterica such as S. Typhi, S. ParatyphiA, S. Typhimurium, S. Enteritidis and S. Weltevreden. The selected primers amplified products with the sizes of 85, 123, 152, 275 and 496 bp, respectively, for the genus Salmonella. This assay was found to be highly sensitive, as it could detect 5 cells of Salmonella and 1,000 fg of genomic DNA. Amplification of DNA extracted from other genera viz. V. cholerae and E. coli yielded negative results. This assay provides specific and reliable results and allows for the cost-effective detection of Salmonella in one reaction tube in mixed bacterial communities.
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