PMID: 21503548Apr 20, 2011Paper

Antimicrobial susceptibilities of Listeria monocytogenes human strains isolated from 1970 to 2008 in Brazil

Revista Da Sociedade Brasileira De Medicina Tropical
Cristhiane Moura Falavina dos ReisErnesto Hofer

Abstract

Listeria monocytogenes is the causative agent of listeriosis, a foodborne illness that affects mainly pregnant women, the elderly and immunocompromised patients. The primary treatment is a combination of ampicillin with an aminoglycoside, in addition to a second-choice drug represented by chloramphenicol, erythromycin, tetracycline and rifampicin. The aim of this study was to analyze the antimicrobial susceptibility profile of strains isolated from human sources in the last four decades. Sixty-eight strains were selected from the culture collection of the Laboratory of Bacterial Zoonoses/LABZOO/FIOCRUZ isolated in different regions of Brazil from 1970 to 2008 and primarily isolated from cerebrospinal fluid and blood culture. Susceptibility tests to antimicrobials drugs were evaluated using the criteria established by Soussy using the Kirby-Bauer method and E-Test strips were used to determine the minimum inhibitory concentration (MIC). Among the strains tested, serovar L4b (60.3%) was the most prevalent, followed by serovar 1/2a (20.6%), 1/2b (13.2%) and the more uncommon serovars 1/2c, 3b and 4ab (5.9%). All strains were susceptible to ampicillin, cephalothin, erythromycin, gentamicin, teicoplanin and vancomycin. Only one stra...Continue Reading

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Citations

Dec 13, 2012·Applied Microbiology and Biotechnology·Eliane Pereira da Silva, Elaine Cristina Pereira De Martinis
May 16, 2015·Enfermedades infecciosas y microbiología clínica·Mónica PrietoRaquel Callejo
Aug 3, 2017·Foodborne Pathogens and Disease·Anderson Carlos CamargoLuís Augusto Nero
Oct 31, 2020·Microorganisms·Fernanda BustamanteJulio Parra-Flores

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