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Fast Axonal Transport in Squid Giant Axon
Abstract
Video-enhanced contrast-differential interference contrast microscopy has revealed new features of axonal transport in the giant axon of the squid, where no movement had been detected previously by conventional microscopy. The newly discovered dominant feature is vast numbers of "submicroscopic" particles, probably 30- to 50-nanometer vesicles and other tubulovesicular elements, moving parallel to linear elements, primarily in the orthograde direction but also in a retrograde direction, at a range of steady velocities up to ±5 micrometers per second. Medium (0.2 to 0.6 micrometer) and large (0.8 micrometer) particles move more slowly and more intermittently with a tendency at times to exhibit elastic recoil. The behavior of the smallest particles and the larger particles during actual translocation suggests that the fundamental processes in the mechanisms of organelle movement in axonal transport are not saltatory but continuous.
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Citations
Cited by
The Molecular Motor Toolbox for Intracellular Transport
Vale, R. D. (2003) · Cell · doi:10.1016/s0092-8674(03)00111-9 · Cited by 1,982
Identification of a novel force-generating protein, kinesin, involved in microtubule-based motility
VALE, R., REESE, T., & SHEETZ, M. (1985) · Cell · doi:10.1016/s0092-8674(85)80099-4 · Cited by 1,993
Axonal transport deficits and neurodegenerative diseases
Millecamps, S., & Julien, J.-P. (2013) · Nature Reviews Neuroscience · doi:10.1038/nrn3380 · Cited by 755
Axonal transport: cargo-specific mechanisms of motility and regulation
Maday, S., Twelvetrees, A. E., Moughamian, A. J., & Holzbaur, E. L. F. (2014) · Neuron · doi:10.1016/j.neuron.2014.10.019 · Cited by 683
Hirokawa, N., Pfister, K. K., Yorifuji, H., Wagner, M. C., Brady, S. T., & Bloom, G. S. (1989) · Cell · doi:10.1016/0092-8674(89)90691-0 · Cited by 477
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Metadata
- Authors
- Allen, R. D., Metuzals, J., Tasaki, I., Brady, S. T., & Gilbert, S. P.
- Venue
- Science
- Published
- 1982-12-10
- Volume
- 218
- Issue
- 4577
- Pages
- 1127-1129
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1974399844
- Cited by
- 350
- References
- 0
- FWCI
- 8.43
- Type
- journal article
- Language
- en
- Open access
- closed
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- Allen, R. D., Metuzals, J., Tasaki, I., Brady, S. T., & Gilbert, S. P. (1982). Fast Axonal Transport in Squid Giant Axon. Science. https://doi.org/10.1126/science.6183744
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