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© Pierre Gounon
Entrée de Listeria dans une cellule épithéliale (Grossissement X 10000). Image colorisée.
Publication : Current opinion in microbiology

Actin-based motility of intracellular pathogens

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Current opinion in microbiology - 01 Feb 2005

Gouin E, Welch MD, Cossart P

Link to Pubmed [PMID] – 15694855

Curr. Opin. Microbiol. 2005 Feb;8(1):35-45

The actin cytoskeleton is harnessed by several pathogenic bacteria that are capable of entering into non-phagocytic cells, the so-called ‘invasive bacteria’. Among them, a few also exploit the host actin cytoskeleton to move intra- and inter-cellularly. Our knowledge of the basic mechanisms underlying actin-based motility has dramatically increased and the list of bacteria that are able to move in this way is also increasing including not only Listeria, Shigella and Rickettsia species but also Mycobacterium marinum and Burkholderia pseudomallei. In all cases the central player is the Arp2/3 complex. Vaccinia virus moves intracellularly on microtubules and just after budding, triggers actin polymerization and the formation of protrusions similar to that of adherent enteropathogenic Escherichia coli, that involve the Arp2/3 complex and facilitate its inter-cellular spread.

http://www.ncbi.nlm.nih.gov/pubmed/15694855