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Improved detection of esp, hyl, asa1, gelE, cylA virulence genes among clinical isolates of Enterococci.


ABSTRACT: OBJECTIVE:Virulence factors (VFs) among the clinical strains of enterococci play a vital role in pathogenesis. This study was aimed to screen for cylA, asa1, gelE, esp and hyl among Enterococcus faecalis (n?=?89) and E. faecium (n?=?51) by multiplex PCR. The previously reported multiplex PCR was modified to 2 duplex (asa1 and gelE, cylA and esp) PCRs and 1 simplex (hyl) PCR. The idea of the modification of the multiplex PCR proposed here emerged in the course of the research study when majority of the isolates which phenotypically exhibited virulence traits were found to be negative for the respective gene. RESULTS:cylA, gelE and asa1 were significantly predominant in E. faecalis (59.55%, 85.39%, 86.51%) than E. faecium (1.96%, 60.78%, 9.80%) (p?

SUBMITTER: Kiruthiga A 

PROVIDER: S-EPMC7085142 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Improved detection of esp, hyl, asa1, gelE, cylA virulence genes among clinical isolates of Enterococci.

Kiruthiga Alexander A   Padmavathy Kesavaram K   Shabana Praveen P   Naveenkumar Venkatesan V   Gnanadesikan Sumathi S   Malaiyan Jeevan J  

BMC research notes 20200320 1


<h4>Objective</h4>Virulence factors (VFs) among the clinical strains of enterococci play a vital role in pathogenesis. This study was aimed to screen for cylA, asa1, gelE, esp and hyl among Enterococcus faecalis (n = 89) and E. faecium (n = 51) by multiplex PCR. The previously reported multiplex PCR was modified to 2 duplex (asa1 and gelE, cylA and esp) PCRs and 1 simplex (hyl) PCR. The idea of the modification of the multiplex PCR proposed here emerged in the course of the research study when m  ...[more]

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