The Salmonella effector SseJ disrupts microtubule dynamics when ectopically expressed in normal rat kidney cellsReport as inadecuate




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Salmonella effector protein SseJ is secreted by Salmonella into the host cell cytoplasm where it can then modify host cell processes. Whilst host cell small GTPase RhoA has previously been shown to activate the acyl-transferase activity of SseJ we show here an un-described effect of SseJ protein production upon microtubule dynamism. SseJ prevents microtubule collapse and this is independent of SseJ’s acyl-transferase activity. We speculate that the effects of SseJ on microtubules would be mediated via its known interactions with the small GTPases of the Rho family.



Author: Sally A. Raines, Michael R. Hodgkinson, Adam A. Dowle, Paul R. Pryor

Source: http://plos.srce.hr/



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