Metabolic Capacity and Pathogenic Properties of the Intestinal Coliforms in Patients with Ulcerative Colitis

Mohammad Katouli; A S Erhardt-Bennet; I Kühn; B Kollberg; R Möllby

doi:10.3109/08910609209141592

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Metabolic Capacity and Pathogenic Properties of the Intestinal Coliforms in Patients with Ulcerative Colitis

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Metabolic Capacity and Pathogenic Properties of the Intestinal Coliforms in Patients with Ulcerative Colitis

Mohammad Katouli, A S Erhardt-Bennet, I Kühn, B Kollberg and R Möllby

Microbial Ecology in Health & Disease, Vol.5(5), pp.245-255

1992

DOI: https://doi.org/10.3109/08910609209141592

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Abstract

Microbiology

metabolic capacity

coliforms

pathogenic properties

ulcerative colitis

An automated microplates system for biochemical fingerprinting of bacteria (the PhP-system) was used to measure the metabolic activities of the faecal coliforni populations from ulcerative colitis (UC) patients ( t i = 19). Their healthy household relatives (ti = 17) and healthy unrelated individuals (n = 20). The metabolic fingerprint obtained for each coliform population was used to calculate a metabolic capacity (MC)-value for that population. Similarities between metabolic fingerprints were measured as correlation coefficients ( r ) and the mean correlation coefficients (rmCanw) ere taken to indicate homogeneity within each group. Coliforms from patients had higher MC-values (mean+_SD=0.841i O . 1 ) than those from healthy controls (0.764k0.136; P less than O.OI). whereas no significant difference was observed between the MC-values of the coliforrns from patients and their healthy relatives. Homogeneity among metabolic fingerprints of coliforni populations from patients (r,,,, =0.336) and their relatives (0.377) was lower than that from healthy unrelated controls (0.644; P less than 0401 for both groups). Klehsiella spp. with adhesive properties were found in 10 patients (53 per cent) and in three relatives (18 per cent) but in no healthy controls. Similarly strains with mannose-resistant haemagglutination and haemolytic activity were also found more often among patients than among healthy controls. Coliforms from patients with total colitis had higher MC-values (mean f SD = 0.886 -t 0.07) than those from left-sided colitis (0.81 f0.115; P less than 0.05) and also possessed more virulence factors. The MC-assay used in this study proved to be a meaningful way of characterising coliform populations in patients with UC.

Details

Title: Metabolic Capacity and Pathogenic Properties of the Intestinal Coliforms in Patients with Ulcerative Colitis
Authors: Mohammad Katouli (Author) - Karolinska Institute, Sweden
A S Erhardt-Bennet (Author) - Danderyd Hospital
I Kühn (Author) - National Bacteriological Laboratory, Sweden
B Kollberg (Author) - Danderyd Hospital
R Möllby (Author) - Karolinska Institute, Sweden
Publication details: Microbial Ecology in Health & Disease, Vol.5(5), pp.245-255
Publisher: Co-Action Publishing
Date published: 1992
DOI: 10.3109/08910609209141592
ISSN: 0891-060X
Copyright note: Copyright © 1992 The Authors. This article is published under the terms of the Creative Commons Attribution-Noncommercial 4.0 Unported Licence (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Organisation Unit: University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99450258302621
Output Type: Journal article

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