Results: 20

Detection of Bacillus anthracis and Bacillus anthracis-like spores in soil from state of Rio de Janeiro, Brazil

Mem. Inst. Oswaldo Cruz; 115 (), 2020
BACKGROUND Bacillus anthracis is the aetiologic agent of anthrax, a re-emerging, septicaemic, haemorrhagic and lethal disease that affects humans, domestic ruminants and wildlife. Plasmids pXO1 and pXO2 are attributes that confer pathogenicity to B. anthracis strains. This bacterium was used as biologica...

Implications of domestic dogs in the epidemiology of Rickettsia parkeri strain Atlantic rainforest and Rangelia vitalii in Southeastern Brazil

Abstract This study aimed to evaluate the occurrence of diseases transmitted by Amblyomma ovale in 61 dogs monitored for three years through collections of ticks and blood, interviews, telemetry and camera traps in three areas of Serra do Mar State Park, Brazil. Blood samples were used to investigate inf...

Investigação da população de Enterococcus faecalis em pacientes com pólipo e câncer colorretal em comparação a indivíduos saudáveis

Arq. gastroenterol; 56 (2), 2019
ABSTRACT BACKGROUND: Colorectal cancer is one of the most commonly diagnosed cancers around the world. One of the factors involved in the development of colorectal cancer is the changes in the normal flora of the intestine. OBJECTIVE: In this study, the mean copy number of Enterococcus faecalis in pe...

Hemoparasites in ticks of wild birds of Serra dos Órgãos National Park, state of Rio de Janeiro, Brazil

Abstract The aim of this study is to detect the presence of tick-borne agents of genera Rickettsia, Borrelia, Babesia, Ehrlichia and Anaplasma in ticks collected from native wild birds in the state of Rio de Janeiro. Birds were captured and observed carefully to find the ectoparasites. DNA detection of h...

Potencial efeito preventivo do Lactobacillus acidophilus e Lactobacillus plantarum em pacientes com pólipos ou câncer colorretal

Arq. gastroenterol; 55 (4), 2018
ABSTRACT BACKGROUND: Colorectal cancer is one of the major causes of death worldwide. Many studies have been done on the biology of its formation as well as its treatment in recent years. One of the factors involved in the formation or treatment of this malignancy can be attributed to the microbial flo...

Especies rickettsiales en casos humanos con síndrome febril agudo inespecífico en Perú

RESUMEN Con el objetivo de caracterizar molecularmente aislamientos rickettsiales procedentes de humanos con síndrome febril agudo inespecífico se realizó un estudio descriptivo transversal, con aislamientos propagados en cultivos celulares Vero ATCC y líneas alternativas, verificando viabilidad medi...

Hemotropic mycoplasmas in naturally infected cats in Northeastern Brazil

Abstract This study aimed to determine the prevalence, factors associated, laboratory findings (with and without coinfection by retroviruses) among naturally infected cats by hemoplasmas in northeastern Brazil. For convenience, 200 domesticated and healthy cats were selected. Blood samples were taken to...

Diagnóstico molecular de tuberculosis multidrogorresistente en muestras de esputo mediante el análisis de curvas de melting

RESUMEN Objetivos. Analizar curvas de melting para el diagnóstico de tuberculosis multidrogorresistente a partir de muestras de esputo. Materiales y métodos. Se colectaron muestras de esputo (n = 250) de pacientes con sospecha clínica de tuberculosis pulmonar según resultado de baciloscopia y cul...

Identificación del agente etiológico de la anaplasmosis granulocítica humana en la garrapata café de perro en Chihuahua, México

Salud pública Méx; 60 (4), 2018