WAFL, a new protein involved in regulation of early endocytic transport at the intersection of actin and microtubule dynamics - Archive ouverte HAL Access content directly
Journal Articles Experimental Cell Research Year : 2009

WAFL, a new protein involved in regulation of early endocytic transport at the intersection of actin and microtubule dynamics

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Abstract

We have previously identified a new gene with sequence homology to the WASP-family of actin regulators denoted WAFL (WASP and FKBP-like). Here we report a possible biological function for WAFL, by demonstrating an association to early endosomes via its central coiled-coil domain. Further we show by functional and structural studies that WAFL is associated with both microtubules and the actin filament system, the two means of transport of early endosomes. In addition, WAFL interacts with WASP-interacting protein (WIP) and actin, thus linking WAFL to actin dynamics. The use of RNAi depletion of WAFL shows that WAFL-deficient cells display delayed transport of endosomal cargo. Our findings are compatible with a model whereby WAFL is involved in the transport of early endosomes at the level of transition between microfilament-based and microtubule-based movement.
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Dates and versions

pasteur-03721475 , version 1 (12-07-2022)

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Cite

Ing-Marie Viklund, Pontus Aspenström, Vannary Meas-Yedid, Bo Zhang, Jolanta Kopec, et al.. WAFL, a new protein involved in regulation of early endocytic transport at the intersection of actin and microtubule dynamics. Experimental Cell Research, 2009, 315 (6), pp.1040-1052. ⟨10.1016/j.yexcr.2008.12.004⟩. ⟨pasteur-03721475⟩

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