Prevalence and clonal relationship of ESBL-producing Salmonella strains from humans and poultry in northeastern Algeria

BMC Veterinary Research
Samia DjeffalJean-Marc Rolain

Abstract

The aims of this study were to investigate Salmonella contamination in broiler chicken farms and slaughterhouses, to assess the antibiotic resistance profile in avian and human Salmonella isolates, and to evaluate the relationship between avian and human Extended Spectrum β-Lactamase (ESBL)-producing isolates. Salmonella was screened in different sample matrices collected at thirty-two chicken farms and five slaughterhouses. The human isolates were recovered from clinical specimens at the University Teaching Hospital of Constantine (UTH). All suspected colonies were confirmed by MALDI-TOF (Matrix Assisted Laser Desorption Ionization Time OF light) and serotyped. Susceptibility testing against 13 antibiotics including, amoxicillin/clavulanic acid, ticarcillin, cefoxitin, cefotaxime, aztreonam, imipenem, ertapenem, gentamicin, amikacin, ciprofloxacin, colistin, trimethoprim/sulfamethoxazole and fosfomycin, was performed using the disk diffusion method on Mueller-Hinton agar. ESBL-production was screened by the double-disk synergy test and confirmed by molecular characterization using PCR (polymerase chain reaction) amplification and sequencing of ESBL encoding genes. Clonality of the avian and human strains was performed using th...Continue Reading

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Citations

Oct 31, 2018·The Journal of Antimicrobial Chemotherapy·Maya NadimpalliUNKNOWN BIRDY study group
Jul 30, 2020·Animals : an Open Access Journal From MDPI·Hayden D HedmanLixin Zhang
Apr 4, 2021·Animals : an Open Access Journal From MDPI·Thobeka P MthembuMohamed E El Zowalaty

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Methods Mentioned

BETA
electrophoresis
PCR

Software Mentioned

ClinProTools
ANNOT
Flex Control
MALDI
- Biotyper
SPSS Statistics
Flex analysis

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