2014
DOI: 10.3855/jidc.4188
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Abstract: Introduction: Listeria species are susceptible to most antibiotics. However, over the last decade, increasing reports of multidrug-resistant Listeria spp. from various sources have prompted public health concerns. The objective of this study was to characterize the antibiotic susceptibility of Listeria spp. and the genetic mechanisms that confer resistance. Methodology: Forty-six Listeria spp. isolates were studied, and their minimal inhibitory concentrations of antibiotics were determined by microdilution usi… Show more

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Cited by 42 publications
(38 citation statements)
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“…Also, Dechen et al (2011) and Sang et al (2012) mentioned that Salmonella isolates were 100% sensitive to ciprofloxacin. As shown in Table 11, the L. monocytogenes isolates were more resistant to ciprofloxacin and ceftazidime, and more sensetive to penicillin and amoxicillin and these findings agree with those of Moreno et al (2014) who mentioned that isolates of L. monocytogenes were susceptible to penicillin and possessed at least intermediate resistance to fluoroquinolones.…”
Section: Resultssupporting
confidence: 88%
“…Also, Dechen et al (2011) and Sang et al (2012) mentioned that Salmonella isolates were 100% sensitive to ciprofloxacin. As shown in Table 11, the L. monocytogenes isolates were more resistant to ciprofloxacin and ceftazidime, and more sensetive to penicillin and amoxicillin and these findings agree with those of Moreno et al (2014) who mentioned that isolates of L. monocytogenes were susceptible to penicillin and possessed at least intermediate resistance to fluoroquinolones.…”
Section: Resultssupporting
confidence: 88%
“…While these drugs are not used to treat listeriosis, the emergence of resistance demands attention due to the possibility of horizontal transfer to other bacteria. 25 This study showed the prevalence of pathogenic serogroups among isolates from food-processing environments, foods, and clinical cases in Brazil. Despite having susceptibility to most of the antibiotics used to treat listeriosis, the presence of high antimicrobial resistance to oxacillin and clindamycin is a serious concern for public health, and more in-depth research is needed to better understand the mechanisms of antimicrobial resistance.…”
Section: Discussionmentioning
confidence: 80%
“…Most L. monocytogenes isolates are susceptible to the antibiotics that are usually employed to fight gram-positive bacteria, and the first report of a multiresistant strain was described in 1990 by Poyart-Salmeron et al 27 Nowadays, several studies have shown resistance among isolates obtained from food-processing environments and foods. 17,18,21,25,34 The emergence of antimicrobial resistance has serious consequences for public health, such as failures in the treatment of diseases and limitations in therapeutic choice, and may require the use of more modern drugs. 2 The present study aimed to assess the antimicrobial resistance and the presence of virulence markers among L. monocytogenes isolates obtained from different sources (environment, food, clinical cases) and different Brazilian regions.…”
Section: Introductionmentioning
confidence: 99%
“…Mas devido à utilização indiscriminada dos antimicrobianos na criação de animais de produção em todo o mundo, existe um interesse global referente ao aumento do número de bactérias resistentes às drogas (Mantilla et al 2007). No Brasil alguns estudos já foram feitos para conhecer o perfil de resistências para Listeria, como por exemplo, estudos feitos por Moreno et al (2014) em ambientes de matadouros, carne de porco e infecções humanas que já confirmaram o surgimento de cepas de Listeria resistentes a um ou mais antibióticos.…”
Section: Caracterização Molecular Deunclassified