Results: 185

Caracterização fenotípica e genotípica de cepas de Salmonella spp. e subtipagem molecular de plasmídeos carreando genes de beta-lactamases de espectro estendido e AmpC

Salmonella spp. são reconhecidas como um dos mais importantes patógenos que ocasionam doença entérica, sendo a terceira causa de morte entre as doenças transmitidas por alimentos (DTAs). A maior preocupação atual deve-se ao aumento da resistência aos beta-lactâmicos, e a produção de beta-lacta...

Antimicrobiana de óleos essenciais e extratos glicólicos de plantas medicinais sobre enterobactérias resistentes a beta-lactâmicos de amplo espectro
Evaluation of the antimicrobial activity of essential oils and glycolic extracts of medicinal plants on wide spectrum beta-lactamic resistant enterobacteria

Rev. Salusvita (Online); 39 (2), 2020
O avanço da resistência bacteriana tem sido considerado pela OMS uma das maiores ameaças à saúde pública do século XXI. Os patógenos multirresistentes aumentam as taxas de mortalidade e elevam o custo do tratamento antibiótico no mundo todo, tanto em hospitais quanto na comunidade. As opções t...

High plasmid variability, and the presence of IncFIB, IncQ, IncA/C, IncHI1B, and IncL/M in clinical isolates of Klebsiella pneumoniae with bla KPC and bla NDM from patients at a public hospital in Brazil

Abstract INTRODUCTION Antibiotic resistance in carbapenemase-producing Klebsiella pneumoniae is acquired and disseminated mainly by plasmids. Therefore, we aimed to investigate the occurrence of carbapenemase genes, analyze the genetic diversity by ERIC-PCR, and examine the most common plasmid incompat...

Identification of plasmid IncQ1 and NTEKPC-IId harboring bla KPC-2 in isolates from Klebsiella pneumoniae infections in patients from Recife-PE, Brazil

Abstract INTRODUCTION: This study investigated the genetic environment of bla KPC-2 in Klebsiella pnemoniae multi-drug resistant clinical isolates. METHODS: Four carbapenemase gene isolates resistant to carbapenems, collected from infected patients from two hospitals in Brazil, were investigated using...

Prevalence of Klebsiella pneumoniae carbapenemase - and New Delhi metallo-beta-lactamase-positive K. pneumoniae in Sergipe, Brazil, and combination therapy as a potential treatment option

Abstract INTRODUCTION: Carbapenem-resistant Klebsiella pneumoniae infection lacks treatment options and is associated with prolonged hospital stays and high mortality rates. The production of carbapenemases is one of the most important factors responsible for this multi-resistance phenomenon. METHODS: ...

Antibacterial activity of Cinnamomum cassia L. essential oil in a carbapenem- and polymyxin-resistant Klebsiella aerogenes strain

Abstract INTRODUCTION: Essential oils can serve as novel sources of antibiotics for multidrug-resistant bacteria. METHODS: The multidrug-resistance profile of a Klebsiella aerogenes strain was assessed by PCR and sequencing. The antibacterial activity of Cinnamomum cassia essential oil (CCeo) against...

Factores de riesgo asociados a infecciones del tracto urinario por gérmenes productores de betalactamasas de espectro extendido
Risk factors associated with urinary tract infections by spectrum betalactamase producing germs extended

Med. interna (Caracas); 36 (4), 2020
El tratamiento de las infecciones del tracto urinario requiere la constante actualización de la susceptibilidad in vitro de los gérmenes de la zona o institución que permita orientar la elección apropiada del tratamiento empírico. Objetivo: Identificar los factores de riesgo asociados a infecciones ...

Pyomelanin biosynthetic pathway in pigment-producer strains from the pandemic Acinetobacter baumannii IC-5

Mem. Inst. Oswaldo Cruz; 115 (), 2020
BACKGROUND Acinetobacter baumannii outbreaks have been associated with pandemic International Clones (ICs), but the virulence factors involved with their pathogenicity are sparsely understood. Pigment production has been linked with bacterial pathogenicity, however, this phenotype is rarely observed in A...

Investigation of carbapenemases and aminoglycoside modifying enzymes of Acinetobacter baumannii isolates recovered from patients admitted to intensive care units in a tertiary-care hospital in Brazil

Abstract INTRODUCTION: Acinetobacter baumannii are opportunistic bacteria, highly capable of acquiring antimicrobial resistance through the production of carbapenemases and aminoglycoside modifying enzymes (AMEs). METHODS: Carbapenemase and AME genes were investigated in A. baumannii recovered from inp...

Epidemiología molecular de aislados de Acinetobacter baumannii resistentes a carbapenems en Argentina

Rev. argent. microbiol; 51 (3), 2019
Se estudiaron 100 aislados consecutivos y no epidemiológicamente relacionados de Acinetobacter baumannii resistentes a los carbapenems, recuperados entre enero y agosto de 2016 de muestras clínicas en 11 hospitales de 10 provincias de la Argentina, ubicadas en distintas regiones del país. Los genes qu...