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Updated: Mar 25, 2026

Development of a More Sensitive and Specific Chromogenic Agar Medium for the Detection of Vibrio parahaemolyticus and Other Vibrio Species
Published on: November 8, 2016
Multidrug-resistant Vibrio associated with an estuary affected by shrimp farming in Northeastern Brazil
Rafael Dos Santos Rocha1, Oscarina Viana de Sousa2, Regine Helena Silva Dos Fernandes Vieira1
1Marine Sciences Institute - Labomar, Federal University of Ceará, Ave. da Abolição 3207, Meireles, 60165-081, Fortaleza, Ceará, Brazil; Fisheries Engineering Department, Federal University of Ceará, Postgraduate Program of Fisheries Engineering, Ave. Mister Hull, s/n, Campus do Pici, Bloco 827, 60021-970, Fortaleza, Ceará, Brazil.
Abstract:
Bacteria of genus Vibrio with multidrug resistance in shrimp farm environment were recurrent. Thus, the aim of this study was to evaluate the antimicrobial resistance profile of 70 strains of Vibrio isolated from water and sediment of Acaraú estuary, Ceará, Brazil. In order to achieve this goal, disk diffusion technique was used with the following antimicrobial agents: ampicillin (Amp), aztreonam (Atm), cephalothin (Cef), cefotaxime (Ctx), ceftriaxone (Cro), ciprofloxacin (Cip), chloramphenicol (Clo), florfenicol (Flo), nitrofurantoin (Nit), gentamicin (Gen), oxytetracycline (Otc), tetracycline (Tet), streptomycin (Str), nalidixic acid (Nal), and sulfazotrim (Sut). All Vibrio strains were resistant to at least one antimicrobial agent, being verified as 17 multidrug-resistant profiles. All strains resistant to Otc and Tet were characterized to exhibit plasmidial resistance. Therefore, Vibrio strains from Acaraú estuary pose a risk to public health and aquatic culture.
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