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Res Microbiol. 1992 Nov-Dec;143(9):821-9.

Intracellular movements of Rickettsia conorii and R. typhi based on actin polymerization.

Author information

1
Unité des Rickettsies, Faculté de Médecine, Marseille, France.

Abstract

Human vascular endothelial, Vero and human embryonic lung cells infected with rickettsiae for 24 h or 48 h were labelled for polymerized actin with NBD-phallacidin. Between 20 and 68% of the intracellular Rickettsia conorii had an actin tail of between 0.33 and 15 microns, with the longest tails being observed in Vero cells. In the case of R. typhi less than 1% of the organisms had actin tails and these were considerably shorter than those of R. conorii. These findings provide new information concerning the different cytopathic effects observed with the two rickettsial species.

PMID:
1299836
DOI:
10.1016/0923-2508(92)90069-z
[Indexed for MEDLINE]

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