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High rates of antibiotic resistance and biofilm production in Escherichia coli isolates from food products of animal and vegetable origins in Tunisia: a real threat to human health.
Badi, Souhir; Salah Abbassi, Mohamed; Snoussi, Mejdi; Werheni, Rim; Hammami, Salah; Maal-Bared, Rasha; Hassen, Abdennaceur.
Afiliación
  • Badi S; Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis, Tunisia.
  • Salah Abbassi M; Laboratory of Wastewater Treatment, Research Center of Wastewater technologies, Technopark Borj Cedria, Soliman, Tunisia.
  • Snoussi M; Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis, Tunisia.
  • Werheni R; Faculty of Medicine of Tunis, Laboratory of antibiotic resistance LR99ES09, University of Tunis El Manar, Tunisia.
  • Hammami S; Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia.
  • Maal-Bared R; Laboratory of Wastewater Treatment, Research Center of Wastewater technologies, Technopark Borj Cedria, Soliman, Tunisia.
  • Hassen A; National School of Veterinary Medicine of Sidi Thabet, University of Manouba, Tunisia.
Int J Environ Health Res ; 32(2): 406-416, 2022 Feb.
Article en En | MEDLINE | ID: mdl-32452215
The aim of this study was to compare the antibiotic susceptibility of eighty Escherichia coli isolates from vegetables and food products of animal origin in Tunisia, and to study their genes encoding antibiotic resistance and in vitro biofilm forming capacity. Antimicrobial susceptibilities were determined, as well as PCR investigation of genes associated with antibiotic resistance. Biofilm formation was tested using four different methods: the microtiter plate-, MTT-staining-, XTT-staining-, and the Congo Red Agar assays. High antibiotic resistance rates were observed for amoxicillin (68.7%), amoxicillin/clavulanic acid (73.7%), gentamicin (68.7%), kanamycin (66.2%), nalidixic acid (36.2%), streptomycin (68.7%) and tetracycline (35%). The majority of isolates was multidrug resistant and biofilm producer. MTT testing showed that vegetables isolates were significantly higher biofilm producers compared to foods of animal origins. This study showed that E. coli isolates from food products were reservoirs of genes encoding antibiotic-resistance and have a high propensity to produce biofilm.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Verduras / Escherichia coli Límite: Animals / Humans País/Región como asunto: Africa Idioma: En Revista: Int J Environ Health Res Asunto de la revista: SAUDE AMBIENTAL Año: 2022 Tipo del documento: Article País de afiliación: Túnez Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Verduras / Escherichia coli Límite: Animals / Humans País/Región como asunto: Africa Idioma: En Revista: Int J Environ Health Res Asunto de la revista: SAUDE AMBIENTAL Año: 2022 Tipo del documento: Article País de afiliación: Túnez Pais de publicación: Reino Unido