نتایج جستجو برای: shigellae
تعداد نتایج: 183 فیلتر نتایج به سال:
Intake and coefficient of absorption of nutrients were measured in 72 children during acute diarrhoea and 2 weeks after recovery. No diarrhoeal pathogens could be identified in 18 (25%) children (group I). Aetiology of diarrhoea was identified in rest of the 54 children (group II). Absorption of calorie, fat and carbohydrate during the recovery stage were similar in all 72 children. In group I,...
BACKGROUND Shigellosis remains considerable public health problem in some developing countries. The nature of Shigellae suggests that they are highly adaptable when placed under selective pressure in a human population. This is demonstrated by variation and fluctuations in serotypes and antimicrobial resistance profile of organisms circulating in differing setting in endemic locations. Antimicr...
Shigella species are the causative agents of human bacillary dysentery. These bacteria spread within the lining of the gut via a process termed actin-based motility whereby an actin 'tail' is formed at the bacterial pole. The bacterial outer membrane protein IcsA initiates this process, and crucially is precisely positioned on the bacterial polar surface. Lipopolysaccharide (LPS) O-antigen surf...
were measured on nutrient agar plates. In all three species, 0.1, 0.5, and 1.0% lithium chloride progressively increased the colony sizes. On the other hand, 2.0, 3.5, and 5.0% LiCl progressively reduced the colony diameters, resulting in the isolation of predominantly small-colony variants (Table 1). It is probable that the higher concentrations of LiCl selected small-colony variants from the ...
The peripheral immune responses of adult Vietnamese patients infected with Shigella dysenteriae 1 and Shigella flexneri 1b and 2a and those of S. flexneri-infected Swedish patients were studied against various lipopolysaccharide and invasion plasmid-coded antigens (Ipa-s) and compared with the titers for the corresponding local healthy populations. Both Vietnamese and Swedish patients reacted w...
BACKGROUND Systemic disease due to shigellae is associated with human immunodeficiency virus (HIV), malnutrition, and other immunosuppressed states. We examined the clinical and microbiologic characteristics of systemic shigellosis in South Africa, where rates of HIV infection are high. METHODS From 2003 to 2009, 429 cases of invasive shigellosis were identified through national laboratory-ba...
The purpose of this paper is to present the results of biochemical and serological studies made with a group of Escherichia coli cultures isolated from monkeys at the Okatie Farms near Bluffton, South Carolina. These E. coli strains were recovered on SS agar from rectal swab specimens collected during an epizootic of enteric disease in a colony of about 4,000 Macaca mulatta and Macaca irus. Det...
GR69153, a new parenteral cephalosporin, inhibited 90% of Escherichia coli, Klebsiella oxytoca, Proteus mirabilis, Citrobacter diversus, shigellae, and salmonellae at less than 0.25 micrograms/ml (MIC90). It had activity comparable to those of ceftazidime, cefpirome, cefepime, and E-1040. Against cephalosporinase-producing Enterobacter cloacae, Citrobacter freundii, and Serratia marcescens, MIC...
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