Results: 1341

Estudio clínico-epidemiológico y molecular de metapneumovirus humano en pacientes con infecciones respiratorias agudas (IRA) en Venezuela
Clinical and epidemiological and molecular study of human metapneumovirus in patients with acute respiratory infections (ARI) in Venezuela

Rev. Inst. Nac. Hig; 45 (1), 2014
El Metapneumovirus Humano (MPVh) ha sido asociado con Infecciones Respiratorias Agudas (IRA) en pacientes de todas las edades. Estudios epidemiológicos indican la prevalencia del MPVh alrededor del mundo, sin embargo, en Venezuela poco se conoce sobre su comportamiento en la población. Este estudio pre...

Impetigo - review

An. bras. dermatol; 89 (2), 2014
Impetigo is a common cutaneous infection that is especially prevalent in children. Historically, impetigo is caused by either group A β-hemolytic streptococci or Staphylococcus aureus. Currently, the most frequently isolated pathogen is S. aureus. This article discusses the microbiologic and virulen...

Sorologia e suscetibilidade antimicrobiana em isolados de Escherichia coli de pesque-pagues

Arq. Inst. Biol; 81 (1), 2014
Pesquisou-se a ocorrência de Escherichia coli (EPEC, EIEC, O157) em água e peixe (pele, trato digestivo e músculo) de pesque-pagues da microbacia do Córrego Rico, Jaboticabal (SP). Foram isoladas 115 cepas de E. coli, entre as quais 49 (43%) foram sorogrupadas como EPEC. Os sorogrupos mais frequentes...

Characterization of Escherichia coli virulence genes, pathotypes and antibiotic resistance properties in diarrheic calves in Iran

Biol. Res; 47 (), 2014
BACKGROUND: Calf diarrhea is a major economic concern in bovine industry all around the world. This study was carried out in order to investigate distribution of virulence genes, pathotypes, serogroups and antibiotic resistance properties of Escherichia coli isolated from diarrheic calves. RESULTS: Total...

Stress tolerant virulent strains of Cronobacter sakazakii from food

Biol. Res; 47 (), 2014
BACKGROUND: Cronobacter sakazakii is considered as an emerging foodborne pathogen. The aim of this study was to isolate and characterize virulent strains of Cronobacter sakazakii from food samples of Bangladesh. RESULT: Six (6) Cronobacter sakazakii was isolated and identified from 54 food samples on the...

Apoptosis in HEp-2 cells infected with Ureaplasma diversum

Biol. Res; 47 (), 2014
BACKGROUND: Bacterial pathogens have many strategies for infecting and persisting in host cells. Adhesion, invasion and intracellular life are important features in the biology of mollicutes. The intracellular location ofUreaplasma diversum may trigger disturbances in the host cell. This includes activat...

Caracterização fenotípica e genotípica de Listeria monocytogenes isoladas de produtos cárneos crus comercializados no município de São Pau

Listeria monocytogenes é um importante patógeno de origem alimentar que causa listeriose, infecção severa que acomete, principalmente, gestantes, idosos, crianças e imunocomprometidos, e que apresenta elevada taxa de mortalidade. A bactéria está amplamente distribuída no ambiente e é comumente e...

Investigación de blastocystis spp, giardia spp y cryptosporidium spp en aguas de consumo en una comunidad de Caracas- Venezuela: Reporte preliminar
Surveillance of blastocystis spp, giardia spp and cryptosporidium spp in human consumption water in a community of Caracas- Venezuela

Rev. Inst. Nac. Hig; 44 (2), 2013
Uno de los mecanismos de transmisión de protozoarios intestinales, es el consumo de agua contaminada con quistes y ooquistes, cuya eliminación por cloración o filtración no resulta eficaz. En una comunidad de Caracas, se evaluó la posible contaminación del agua de consumo, con Blastocystis spp, Gia...