Results: 82

Ex vivo model of rabbit intestinal epithelium applied to the study of colonization by enteroaggregative escherichia coli

Arq. gastroenterol; 54 (2), 2017
ABSTRACT BACKGROUND The diarrheal syndrome is considered a serious public health problem all over the world and is considered a major cause of morbidity and mortality in developing countries. The high incidence of enteroaggregative Escherichia coli in diarrheal syndromes classified as an emerging patho...

Microbiological and serological control of Escherichia coli O157: H7 in kindergarten staff in Buenos Aires city and suburban areas

Medicina (B.Aires); 77 (3), 2017
Shiga toxin (Stx)-producing Escherichia coli (STEC) infections are implicated in the development of the life-threatening hemolytic-uremic syndrome (HUS). Despite the magnitude of the social and economic problems caused by HUS, no licensed vaccine or effective therapy is currently available for human use....

Tamizaje fitoquímico y actividad antibacteriana in vitro de extractos y fracciones de tres especies colombianas del género Hypericum
Phytochemical screening and in vitro antibacterial activity of extracts and fractions from three Colombian species of the genus Hypericum

Rev. cuba. plantas med; 22 (1), 2017
Introducción: el género Hypericum se caracteriza por poseer gran importancia etnobotánica en diferentes culturas a nivel mundial lo cual ha impulsado los estudios para el aislamiento e identificación de metabolitos bioactivos. Objetivo: realizar la caracterización fitoquímica preliminar y el estudi...

Infección del tracto urinario causada por Enterobacteriaceae y su relación con reflujo vésico-ureteral en recién nacidos

Resumen: Introducción: La primera infección del tracto urinario puede ser un marcador de una anomalía del tracto urinario, principalmente de reflujo vésico-ureteral. El objetivo de este trabajo fue determinar la asociación entre microorganismos de la familia Enterobacteriaceae con la presencia y g...

Early-onset neonatal sepsis and the implementation of group B streptococcus prophylaxis in a Brazilian maternity hospital: a descriptive study

Braz. j. infect. dis; 21 (1), 2017
Abstract Objectives: To describe early-onset neonatal sepsis (EOS) epidemiology in a public maternity hospital in Brasilia, Brazil. Methods: We defined EOS as a positive blood culture result obtained from infants aged ≤72 hours of life plus treatment with antibiotic therapy for ≥5 days. Inc...

Diarrheagenic Escherichia coli

Braz. j. microbiol; 47 (supl.1), 2016
ABSTRACT Most Escherichia coli strains live harmlessly in the intestines and rarely cause disease in healthy individuals. Nonetheless, a number of pathogenic strains can cause diarrhea or extraintestinal diseases both in healthy and immunocompromised individuals. Diarrheal illnesses are a severe public h...

Atividade moduladora sobre antibióticos pelo extrato aquoso das folhas de Bauhinia ungulata L

Rev. cuba. plantas med; 21 (3), 2016
Introdução: cepas de Staphylococcus aureus, Escherichia coli e Pseudomonas aeruginosa são caracterizadas como importantes causadores de infeções bacterianas e destacam-se como um preocupante problema de saúde pública. A atividade antibacteriana de várias plantas tem sido estudada com a finalidade...

Mecanismos de virulencia de Escherichia coli enteropatógena

Rev. chil. infectol; 33 (4), 2016
Acute diarrheal disease (ADD) is a global public health problem, especially in developing countries and is one of the causes of mortality in children under five. ADD etiologic agents include viruses, bacteria and parasites in that order. Escherichia coli bacteria it is classified as a major diarrheagenic...

Curli fimbria: an Escherichia coli adhesin associated with human cystitis

Braz. j. microbiol; 47 (2), 2016
Abstract Escherichia coli is the major causative agent of human cystitis. In this study, a preliminary molecular analysis carried out by PCR (polymerase chain reaction) demonstrated that 100% of 31 E. coli strains isolated from patients with recurrent UTIs (urinary tract infections) showed the presence o...