The actin-based motor myosin Va is a component of the acroplaxome, an acrosome-nuclear envelope junctional plate, and of manchette-associated vesicles.

@article{Kierszenbaum2003TheAM,
  title={The actin-based motor myosin Va is a component of the acroplaxome, an acrosome-nuclear envelope junctional plate, and of manchette-associated vesicles.},
  author={Abraham L. Kierszenbaum and Eugene Rivkin and Laura L. Tres},
  journal={Cytogenetic and genome research},
  year={2003},
  volume={103 3-4},
  pages={337-44}
}
Protein and vesicle cargos can be mobilized during spermiogenesis by intramanchette transport utilizing microtubule-based protein motors (kinesins and dyneins). However, actin-based unconventional myosin motors may also play a significant role in targeting vesicle cargos to subcellular compartments during sperm development. Here we report that myosin Va, an actin-based motor protein, is a component of the acroplaxome of rodent spermatids. The acroplaxome is an F-actin/keratin-containing… CONTINUE READING

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