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© Pierre Gounon
Entrée de Listeria dans une cellule épithéliale (Grossissement X 10000). Image colorisée.
Publication : Journal of cell science

InlB, a surface protein of Listeria monocytogenes that behaves as an invasin and a growth factor

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of cell science - 01 Sep 2002

Bierne H, Cossart P

Link to Pubmed [PMID] – 12154067

J. Cell. Sci. 2002 Sep;115(Pt 17):3357-67

Molecules from some pathogenic bacteria mimic natural host cell ligands and trigger engulfment of the bacterium after specifically interacting with cell-surface receptors. The leucine-rich repeat (LRR)-containing protein InlB of Listeria monocytogenes is one such molecule. It triggers bacterial entry by interacting with the hepatocyte growth factor receptor (HGF-R or Met) and two other cellular components: gC1q-R and proteoglycans. Recent studies point to significant similarities between the molecular mechanisms underlying InlB-mediated entry into cells and classic phagocytosis. In addition, InlB, in common with HGF, activates signaling cascades that are not involved in bacterial entry. Therefore, studies of InlB may help us to analyze the previously noticed similarities between growth factor receptor activation and phagocytosis.

http://www.ncbi.nlm.nih.gov/pubmed/12154067