Richard Mayne
On the computing potential of intracellular vesicles
Mayne, Richard; Adamatzky, Andrew
Abstract
© 2015 Mayne, Adamatzky. Collision-based computing (CBC) is a form of unconventional computing in which travelling localisations represent data and conditional routing of signals determines the output state; collisions between localisations represent logical operations. We investigated patterns of Ca2+-containing vesicle distribution within a live organism, slime mould Physarum polycephalum, with confocal microscopy and observed them colliding regularly. Vesicles travel down cytoskeletal 'circuitry' and their collisions may result in reflection, fusion or annihilation. We demonstrate through experimental observations that naturally-occurring vesicle dynamics may be characterised as a computationally-universal set of Boolean logical operations and present a 'vesicle modification' of the archetypal CBC 'billiard ball model' of computation. We proceed to discuss the viability of intracellular vesicles as an unconventional computing substrate in which we delineate practical considerations for reliable vesicle 'programming' in both in vivo and in vitro vesicle computing architectures and present optimised designs for both single logical gates and combinatorial logic circuits based on cytoskeletal network conformations. The results presented here demonstrate the first characterisation of intracelluar phenomena as collision-based computing and hence the viability of biological substrates for computing.
Citation
Mayne, R., & Adamatzky, A. (2015). On the computing potential of intracellular vesicles. PLoS ONE, 10(10), e0139617. https://doi.org/10.1371/journal.pone.0139617
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 15, 2015 |
Publication Date | Oct 2, 2015 |
Journal | PLoS ONE |
Electronic ISSN | 1932-6203 |
Publisher | Public Library of Science |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Issue | 10 |
Pages | e0139617 |
DOI | https://doi.org/10.1371/journal.pone.0139617 |
Keywords | intracellular vesicles, collision-based computing, unconventional computing |
Public URL | https://uwe-repository.worktribe.com/output/804736 |
Publisher URL | http://dx.doi.org/10.1371/journal.pone.0139617 |
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