Affiliation:
1. Laboratoire de Bactériologie, Université de Bordeaux 2, France. helico@labhel.u-bordeaux2.fr
Abstract
A model was developed to study inhibitors present in feces which prevent the use of PCR for the detection of Helicobacter pylori. A DNA fragment amplified with the same primers as H. pylori was used to spike samples before extraction by a modified QIAamp tissue method. Inhibitors, separated on an Ultrogel AcA44 column, were characterized. Inhibitors in feces are complex polysaccharides possibly originating from vegetable material in the diet.
Publisher
American Society for Microbiology
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