نتایج جستجو برای: diarrheagenic e coli
تعداد نتایج: 1122917 فیلتر نتایج به سال:
Collared peccaries (Pecari tajacu) roam the forests of natural areas in America. Wild collared peccary appears to be a carrier for bacteria associated with infections humans and animals, however, presence diarrheagenic E. coli (DEC) pathotypes has not been studied captive peccary. This study aimed prevalence DEC, susceptibility antibiotics, frequency β-lactamase genes (ESBL) faeces. DEC strain...
Escherichia coli O157:H7 and other pathogenic E. coli strains are enteric pathogens associated with food safety threats and which remain a significant cause of morbidity and mortality worldwide. In the current study, we investigated whether enterohemorrhagic E. coli (EHEC), Shiga toxin-producing E. coli (STEC), and enteropathogenic E. coli (EPEC) strains can be rapidly and specifically differen...
Recent transposon mutagenesis studies with two enterohemorrhagic Escherichia coli (EHEC) strains, a sero- type O26:H- strain and a serotype O157:H7 strain, led to identification of a putative fimbrial operon that promotes colonization of young calves (1 to 2 weeks old). The distribution of the gene encoding the major fimbrial subunit present in O-island 61 of EHEC O157:H7 in a characterized set...
Transmission electron microscopy (TEM) was used to characterize the colonization patterns of 3 pathogenic Escherichia coli strains: PD58 and PD149 of the AIDA-I/STb/EAST1 pathotype, serogroup O: ND (not determined), and PD31 of the LT/STb/EAST1 pathotype, serogroup O149. These strains were isolated from diseased piglets and caused diarrhea in experimentally inoculated, newborn, colostrum-depriv...
Diarrheagenic Escherichia coli (DEC), an important agent of infectious diarrhea, is constantly evolving, making its periodic monitoring necessary. However, the DEC genotypes in Ghana remain uncharacterized. We focused on characterizing molecular serotypes, virulence factors, multilocus sequence types, and phylogenetic relatedness among different pathotypes recovered from stool samples pediatric...
The appropriate treatment and control of infectious gastroenteritis depend on the ability to rapidly detect the wide range of etiologic agents associated with the disease. Clinical laboratories currently utilize an array of different methodologies to test for bacterial, parasitic, and viral causes of gastroenteritis, a strategy that suffers from poor sensitivity, potentially long turnaround tim...
BACKGROUND Antibiotic resistance of enteric pathogens particularly Shigella species, is a critical world-wide problem and monitoring their resistant pattern is essential, because the choice of antibiotics is absolutely dependent on regional antibiotic susceptibility patterns. During summer 2013, an unusual increase in number of diarrheal diseases was noticed in Isfahan, a central province of Ir...
Enteroaggregative Escherichia coli (EAEC) is a member of diarrheagenic E. coli, which plays an important role in human infections in developing countries. Investigations of EAEC in diarrheal patients at Hat-Yai and Pattani Hospitals, southern Thailand identified 5 EAEC strains, which were classified into serogroups, O44 and O127a. All 5 EAEC contained the global transcriptional regulator gene, ...
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