Characterization of Escherichia coli clinical isolates causing urinary tract infections in the community of Chilpancingo, Mexico.

Escherichia coli is the main cause of urinary tract infections (UTI) in ambulatory patients, especially strains belonging to the B2 phylogenetic group and ST131 clonal group. Antibiotic treatment is usually administered empirically; however, it is not always effective due to bacterial multidrug resistance and the production of extended spectrum β-lactamases (ESBLs). The aim of this study was to characterize E.

Gut Microbiota and Metabolic Endotoxemia in Young Obese Mexican Subjects.

Background: The gut microbiota plays an important role in human metabolism; previous studies suggest that the imbalance can cause a metabolic endotoxemia that may be linked to weight gain and insulin resistance. The purpose of this study was to investigate the relationship between the gut microbiota composition, the lipopolysaccharide levels and the metabolic profile in obese and normal-weight young subjects.

Methods: We studied 32 obese (BMI ≥ 30 kg/m2) and 32 normal-weight subjects (BMI = 18.