نتایج جستجو برای: enteric bacteria
تعداد نتایج: 192668 فیلتر نتایج به سال:
clostridium perfringens is an important cause of enteric diseases in both human and animals. the bacteria produce several toxins which play key roles in the pathogenesis of diseases and are classified into five toxin types, on the basis of the differential production of alpha, beta, epsilon and iota toxins. in this study a single pcr assay was developed and used for detection of cpb2 gene to id...
A common finding when measuring T cell immunity to enteric bacterial vaccines in humans is the presence of background responses among individuals before immunization. Yet the nature of these background responses remains largely unknown. Recent findings show the presence in uninfected individuals of mucosal associated invariant T (MAIT) cells that mount broad spectrum immune responses against a ...
We have previously shown that antisera raised in rabbits to certain enteric cross reactive strains of bacteria are capable of specifically lysing the peripheral blood lymphocytes of HLA-B27 positive patients with ankylosing spondylitis (B27+ AS+). We now report that bacteria with cross reactive antigenic determinants are found in the bowel flora of all of 52 B27+ AS+ patients but in only one of...
Resident bacteria are incriminated in the pathogenesis of experimental colitis and inflammatory bowel diseases. We investigated the relative roles of various enteric bacteria populations in the induction and perpetuation of experimental colitis. HLA-B27 transgenic rats received antibiotics (ciprofloxacin, metronidazole, or vancomycin-imipenem) in drinking water or water alone in either preventi...
chronic constipation is still considered a functional or idiopathic disorder. however, in recent years there is evidence that its pathopysiological grounds may be actually due to a complex system of abnormalities of the enteric nervous system of these patients. in particular, as reported in this review, the enteric glial cells seem to be constantly involved in constipated patients, suggesting t...
Introduction Increasing numbers of patients with immunodeficiencies, malignant diseases, advanced surgeries and prolonged stays in intensive care units are at risk for developing infections by enteric bacteria, which often are systemic (sepsis) and caused by multidrug resistance isolates. Intestinal bacteria provide also a constant antigenic stimulation for the synthesis of natural anti-carbohy...
Animal-associated bacterial communities are infected by bacteriophages, although the dynamics of these infections are poorly understood. Transduction by bacteriophages may contribute to transfer of antimicrobial resistance genes, but the relative importance of transduction among other gene transfer mechanisms is unknown. We therefore developed a candidate deterministic mathematical model of the...
BACKGROUND One of the major health causing problems is contamination of drinking water sources with human pathogenic bacteria. Enteric bacteria such as Shigella, Salmonella and Escherichia coli are most enteric bacteria causing serious health problems. Occurrence of such bacteria infection, which may resist antibiotics, increases the seriousness of problem. OBJECTIVES The aim of this study wa...
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