Vet Med - Czech, 2002, 47(10):289-294 | DOI: 10.17221/5837-VETMED

Plasma lipopolysaccharide level and enterocyte brush border enzymes in gnotobiotic piglets infected with Salmonella typhimurium

I. Trebichavský, H. Kozáková, I. Šplíchal
Institute of Microbiology of the Academy of Sciences of the Czech Republic, Nový Hrádek, Czech Republic

Gnotobiotic piglets were orally infected either with the virulent LT2 strain or the non-pathogenic SF1591 rough mutant of Salmonella enterica serotype Typhimurium. They were sacrificed 6 or 24 h after the infection. All piglets infected for 24 h developed systemic infection with an increase of plasma lipopolysaccharide. Infection with the virulent strain caused a significant decrease (P < 0.001) of gamma-glutamyl transpeptidase (GGT) activity in the enterocyte brush border of both the jejunum and ileum, infection with the rough mutant caused a decrease of GGT activity in the ileum only. The activities of other brush border enzymes (lactase, sucrase, glucoamylase, alkaline phosphatase and dipeptidylpeptidase IV) did not change significantly after infection.

Keywords: swine; gnotobiotic piglet; Salmonella typhimurium

Published: October 31, 2002  Show citation

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Trebichavský I, Kozáková H, Šplíchal I. Plasma lipopolysaccharide level and enterocyte brush border enzymes in gnotobiotic piglets infected with Salmonella typhimurium . Vet Med - Czech. 2002;47(10-11):289-294. doi: 10.17221/5837-VETMED.
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