نتایج جستجو برای: Phylogenetic group
تعداد نتایج: 1032406 فیلتر نتایج به سال:
background and objectives: diarrheagenic escherichia coli (dec) strains are a major cause of intestinal syndromes in the developing countries. the aim of this study was to determine the prevalence of enterotoxigenic e. coli (etec) and enteroinvasive e. coli (eiec) in relation to phylogenetic background from patients with diarrhea. materials and methods: a total of 110 e. coli isolates were obta...
stem rust caused by puccinia graminis f. sp. tritici (pgt) is one of the destructive diseases of wheat in the world. the fungal pathogen can infect 365 different grass and more than 70 berberis species. dna sequences for the ribosomal rna internal transcribed spacer (its) have proven suitable to explore relationships at the species and subspecies levels. an isolate of pgt which was collected fr...
colibacillosis caused by avian pathogenic escherichia coli (apec) is an economic threat to the poultry industry throughout the world. some of the virulence genes may enhance the ability of e. coli isolates to grow in the tissues of broilers. the apec strains are assigned to a few distinct phylogenetic groups. the purpose of the present study was to detect the virulence genes and phylogenetic gr...
the aim of this study was to determine antibiotic resistance genes, phylogenetic groups and anti-microbial resistance patterns of escherichia coli isolates from fecal samples of healthy pet cats in kerman city. ninety e. coli isolates were recovered from obtained rectal swabs. antibiotic resistance pattern of the isolates against seven selected antibiotic was determined using disc diffusion met...
background escherichia coli is one of the most causative pathogen of urinary tract infection. urinary tract infections (utis) are the second most common cause of morbidity and remain a serious health concern among the clinicians. the severity of uti caused by uropathogenic e. coli (upec) is due to the expression of a wide spectrum of virulent factors such as adhesin coding operons. little is kn...
Phylogenetic analysis has shown that Escherichia coli is composed of four main phylogenetic groups (A, B1, B2 and D). Characterization of phylogenetic groups is of clinical interest, as group A and B1 generally associated with commensals, whereas most enteropathogenic isolates are assigned to group D, and group B2 is associated with extra-intestinal pathotype. One hundred E. coli strains recove...
phylogenetic analysis has shown that escherichia coli is composed of four main phylogenetic groups (a, b1, b2 and d). characterization of phylogenetic groups is of clinical interest, as group a and b1 generally associated with commensals, whereas most enteropathogenic isolates are assigned to group d, and group b2 is associated with extra-intestinal pathotype. one hundred e. coli strains recove...
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