Results: 1341

Caracterización de cepas de Campylobacter jejuni obtenidas desde carne de pollo y heces de aves de corral de la zona central de Chile

Rev. méd. Chile; 145 (12), 2017
Background Campylobacter jejuni is one of the main causal agents of food borne diseases. Infections with this pathogen are mainly caused by chicken meat consumption. Aim To characterize antibiotic resistance and virulence factors in C. jejuni strains obtained from chicken meat and poultry feces in Centr...

Contribution of flagella and motility to gut colonisation and pathogenicity of Salmonella Enteritidis in the chicken

Braz. j. microbiol; 48 (4), 2017
ABSTRACT Salmonella Enteritidis causes fowl paratyphoid in poultry and is frequently associated to outbreaks of food-borne diseases in humans. The role of flagella and flagella-mediated motility into host-pathogen interplay is not fully understood and requires further investigation. In this study, one-da...

Epidemiología de las meningitis bacterianas en niños en un hospital pediátrico: 2011-2016

Med. infant; 24 (4), 2017
Introducción: Las meningitis bacterianas en niños son causa de importante morbimortalidad. Los principales agentes etiológicos son Neisseria meningitidis, Streptococcus pneumoniae y Haemophilus influenzae. En los últimos años, luego de la introducción sucesiva de vacunas conjugadas al calendario na...

Potential of entomopathogenic nematodes of the genus Heterorhabditis for the control of Stomoxys calcitrans (Diptera: Muscidae)

Abstract The present study verified the pathogenic potential of entomopathogenic nematodes (EPNs) of the genus Heterorhabditis (Heterorhabditis bacteriophora, isolate HP88 and Heterorhabditis baujardi isolate LPP7) to immature stages of Stomoxys calcitrans in the laboratory. All EPN concentrations of the...

Enfermedad por el virus Ébola medidas de bioseguridad

Resumen El virus Ébola representa el patógeno prototipo de fiebre hemorrágica viral, causando una enfermedad severa de alta tasa de mortalidad. Esta alta mortalidad, combinada con la ausencia de vacunación y de un tratamiento específico, hace que el virus Ébola sea un patógeno importante para la s...

Moderate pathogenic effect of Ligophorus uruguayense (Monogenoidea, Ancyrocephalidae) in juvenile mullet Mugil liza (Actinopterygii, Mugilidae) from Brazil

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT Monogenoidea pathogenic activity can elicit various histological responses in fish. Species of Ligophorus are specific parasites of mullets, and its relationship with host fish may result in a moderate pathogenic action. In order to ascertain this relationship, estuarine mullets (Mugil liza) wer...

Investigation of Demodex folliculorum frequency in patients with polycystic ovary syndrome

An. bras. dermatol; 92 (6), 2017
Abstract: Background: Background: Demodex mites are acari that reside in the pilosebaceous unit of the skin and have been associated with skin disorders. Objective: The objective of this study was to investigate the prevalence of Demodex folliculorum (D. folliculorum) mites in polycystic ovary syndrome...

Potentially pathogenic Acanthamoeba genotype T4 isolated from dental units and emergency combination showers

Mem. Inst. Oswaldo Cruz; 112 (12), 2017
BACKGROUND Acanthamoeba is the genus of free-living amoebae that is most frequently isolated in nature. To date, 20 Acanthamoeba genotypes have been described. Genotype T4 is responsible for approximately 90% of encephalitis and keratitis cases. Due to the ubiquitous presence of amoebae, isolation from e...

Virus orf en humanos, confirmación molecular de un caso clínico en Chile

Rev. chil. infectol; 34 (6), 2017
Resumen La infección por el virus orf, también conocida como ectima contagioso, es reconocida una zoonosis ocupacional. Se diagnostica por lesiones cutáneas que evolu cionan rápidamente desde máculas a pápulas, vesículas y pústulas. Se presenta el caso clínico de una estudiante de medicina veter...