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University of Nebraska - Lincoln

Dissertations, Theses, & Student Research in Food Science and Technology

Food Biotechnology

Bovine colostrum

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Studies On The Adherence Properties Of Plant Lectins And Bacterial Adhesins And Their Inhibition By Prebiotic Oligosaccharides And Bovine Colostrum Fractions, Maria X. Maldonado-Gomez Nov 2011

Studies On The Adherence Properties Of Plant Lectins And Bacterial Adhesins And Their Inhibition By Prebiotic Oligosaccharides And Bovine Colostrum Fractions, Maria X. Maldonado-Gomez

Dissertations, Theses, & Student Research in Food Science and Technology

To initiate colonization and infection, most microbial pathogens must first recognize and adhere to cells in the host tissues. Adherence inhibition, therefore, can be used as a strategy for preventing infectious disease. In this research, we developed a simplified model using plant lectins and HEp-2 tissue culture cells to simulate bacterial adhesins-receptors interactions. The effect of lectin ligands and two prebiotic carbohydrates, galactooligosaccharide (GOS) and polydextrose (PDX) was measured with this approach. Lectins that were able to bind to the target cells were inhibited in the presence of the cognate ligands and at least one of the prebiotic carbohydrates. The ...