Notable Aspects of Glycan-Protein Interactions
AbstractThis mini review highlights several interesting aspects of glycan-mediated interactions that are common between cells, bacteria, and viruses. Glycans are ubiquitously found on all living cells, and in the extracellular milieu of multicellular organisms. They are known to mediate initial binding and recognition events of both immune cells and pathogens with their target cells or tissues. The host target tissues are hidden under a layer of secreted glycosylated decoy targets. In addition, pathogens can utilize and display host glycans to prevent identification as foreign by the host’s immune system (molecular mimicry). Both the host and pathogens continually evolve. The host evolves to prevent infection and the pathogens evolve to evade host defenses. Many pathogens express both glycan-binding proteins and glycosidases. Interestingly, these proteins are often located at the tip of elongated protrusions in bacteria, or in the leading edge of the cell. Glycan-protein interactions have low affinity and, as a result, multivalent interactions are often required to achieve biologically relevant binding. These enable dynamic forms of adhesion mechanisms, reviewed here, and include rolling (cells), stick and roll (bacteria) or surfacing (viruses). View Full-Text
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Cohen, M. Notable Aspects of Glycan-Protein Interactions. Biomolecules 2015, 5, 2056-2072.
Cohen M. Notable Aspects of Glycan-Protein Interactions. Biomolecules. 2015; 5(3):2056-2072.Chicago/Turabian Style
Cohen, Miriam. 2015. "Notable Aspects of Glycan-Protein Interactions." Biomolecules 5, no. 3: 2056-2072.