Key result
Overexpression of the MyoM tail domain in Dictyostelium discoideum induced massive actin-driven protrusions, particularly in response to hypo-osmotic stress.
Population
Dictyostelium discoideum cells and MyoM protein
Comparison
Overexpression of MyoM or its tail domain vs Absence of MyoM
Design
Preclinical
Authors
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MyoM is the first unconventional myosin with Rac-GEF activity; extends cytoskeletal signaling research but leaves mammalian cardiac relevance open.
MyoM is identified as the first unconventional myosin containing an active Rac-GEF domain, linking Rac-mediated signal transduction with actin cytoskeleton remodeling.
Geissler et al. (2000) studied this question. Overexpression of MyoM tail domain was evaluated on Cell morphology, viability, and actin-driven protrusions. Overexpression of the MyoM tail domain in Dictyostelium discoideum induced massive actin-driven protrusions, particularly in response to hypo-osmotic stress.
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