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Development of a multiplex PCR assay for the identification of pathogenic genes of Escherichia coli in milk and milk products.

Abstract：

:A multiplex PCR for the simultaneous detection of some pathogenic genes of enteropathogenic, enterotoxigenic and verocytotoxin-producing Escherichia coli was developed. In this study primers found in literature as well as primers to the purpose designed were used. In this way, it was possible to generate specific fragments of 96, 170, 229, 285, 348, 414 and 510 bp for Hlya, St, EaeA, Lt, Vt1, UidA and Vt2 genes, respectively. When applied to bacterial strains experimentally inoculated in milk and milk products, the proposed PCR showed a detection limit of 5 x 10(4)CFU/ml for Hyla, St, Eaea, Vt1 primers, while for Lt and Vt2 primers the limit resulted of 10(6)CFU/ml.

journal_name

Mol Cell Probes

journal_title

Molecular and cellular probes

authors

Bottero MT,Dalmasso A,Soglia D,Rosati S,Decastelli L,Civera T

doi

10.1016/j.mcp.2004.03.001

subject

Has Abstract

pub_date

2004-08-01 00:00:00

pages

283-8

issue

4

eissn

0890-8508

issn

1096-1194

pii

S0890850804000271

journal_volume

18

pub_type

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