Results: 1341

Análisis genómico comparativo de cepas peruanas de Mycobacterium tuberculosis

RESUMEN Objetivos. Analizar comparativamente tres secuencias genómicas de Mycobacterium tuberculosis(MTB): INS-SEN,cepa sensible; INS-MDR, cepa multidrogorresistente e INS-XDR, cepa extensamente resistente, procedentes de la Ciudad de Lima, Perú. Materiales y métodos. Se identificaron los polimorf...

Trichosporon isolation from human ungueal infections: is there a pathogenic role?

An. bras. dermatol; 91 (2), 2016
Abstract BACKGROUND: Although dermatophytes are considered the major cause of onychomycosis, many reports have incriminated non-dermatophyte moulds and yeasts in the disease’s etiology. Successive Trichosporon isolation from onychomycosis has led to the genus being suspected as a nail primary path...

Neurocriptococosis en el contexto de la infección con el VIH en Guayaquil, Ecuador
Neurocryptococcosis in the context of HIV infection in Guayaquil, Ecuador

Rev. cuba. med. trop; 68 (1), 2016
Introducción: la neurocriptococosis resulta de la inhalación de levaduras del complejo de especies Cryptococcus neoformans y afecta principalmente a pacientes inmunocomprometidos, provocando altas tasas de mortalidad. Objetivo: describir la infección por Cryptococcus spp. en pacientes con VIH/sida de ...

Relación genética del virus dengue 1 aislado en Cuba durante la epidemia de 1977
Genetic relationship of dengue virus 1 isolated in Cuba, 1977

Rev. cuba. med. trop; 68 (1), 2016
Introducción: el dengue es una enfermedad aguda causada por cuatro serotipos del virus del dengue (DENV-1 al 4) y transmitida al hombre por el mosquito Aedes aegypti. En Cuba, la primera epidemia de dengue con confirmación de laboratorio ocurrió en 1977, identificándose al DENV-1 como agente causal. ...

Incidence of virulence determinants in clinical Enterococcus faecalis and Enterococcus faecium isolates collected in Bulgaria

Braz. j. infect. dis; 20 (2), 2016
Abstract Objectives To evaluate the prevalence of some virulence genes among 510 clinical Enterococcus spp. isolates and to assess the association of those genes with the species, infection site, and patient group (inpatients/outpatients). Methods Adhesins genes (aggregation substances agg and asa1 of ...

Oropharyngeal cancer: an emergent disease?

Salud pública Méx; 58 (2), 2016
Abstract Oropharyngeal cancer incidence has recently increased, thereby attracting public attention. Akin to other malignancies of the upper aerodigestive tract, it has been attributed to the carcinogenic effects of tobacco and alcohol use. However, recent evidence shows that a substantial increase in th...

Association of three putative periodontal pathogens with chronic periodontitis in Brazilian subjects

J. appl. oral sci; 24 (2), 2016
ABSTRACT Objective The aim of this study was to evaluate the association of Porphyromonas endodontalis, Filifactor alocis and Dialister pneumosintes with the occurrence of periodontitis. Material and Methods Thirty subjects with chronic periodontitis (ChP) and 10 with periodontal health (PH) were inc...

Epidemia do virus Zika: a mais nova emergência internacional

A infecção pelo vírus Zika é uma doença relativamente nova, com publicações limitadas a relatos de casos e investigações de surtos. Inicialmente foi descrita antes de 2007 na África e Ásia, posteriormente na Polinésia Francesa no Pacífico e, por fim, nas Américas, em ...

Relationship between super antigenicity, antimicrobial resistance and origin of Staphylococcus aureus isolated

Colomb. med; 47 (1), 2016
Introduction: Staphylococcus aureus is a pathogen that causes food poisoning as well as hospital and community acquired infections. Objective: Establish the profile of superantigen genes among hospital isolates in relation to clinical specimen type, susceptibility to antibiotics and hospital or community...