Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior.
Caenorhabditis elegans, a free-living soil nematode, displays a rich variety of body shapes and trajectories during its undulatory locomotion in complex environments. Here we show that the individual body postures and entire trails of C. elegans have a simple analytical description in curvature repr...
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2012-01-01
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doaj-9ca6138c4c07432d9277207b1ba57e512020-11-25T02:33:54ZengPublic Library of Science (PLoS)PLoS ONE1932-62032012-01-0177e4012110.1371/journal.pone.0040121Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior.Venkat PadmanabhanZeina S KhanDeepak E SolomonAndrew ArmstrongKendra P RumbaughSiva A VanapalliJerzy BlawzdziewiczCaenorhabditis elegans, a free-living soil nematode, displays a rich variety of body shapes and trajectories during its undulatory locomotion in complex environments. Here we show that the individual body postures and entire trails of C. elegans have a simple analytical description in curvature representation. Our model is based on the assumption that the curvature wave is generated in the head segment of the worm body and propagates backwards. We have found that a simple harmonic function for the curvature can capture multiple worm shapes during the undulatory movement. The worm body trajectories can be well represented in terms of piecewise sinusoidal curvature with abrupt changes in amplitude, wavevector, and phase.http://europepmc.org/articles/PMC3391229?pdf=render |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Venkat Padmanabhan Zeina S Khan Deepak E Solomon Andrew Armstrong Kendra P Rumbaugh Siva A Vanapalli Jerzy Blawzdziewicz |
spellingShingle |
Venkat Padmanabhan Zeina S Khan Deepak E Solomon Andrew Armstrong Kendra P Rumbaugh Siva A Vanapalli Jerzy Blawzdziewicz Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior. PLoS ONE |
author_facet |
Venkat Padmanabhan Zeina S Khan Deepak E Solomon Andrew Armstrong Kendra P Rumbaugh Siva A Vanapalli Jerzy Blawzdziewicz |
author_sort |
Venkat Padmanabhan |
title |
Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior. |
title_short |
Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior. |
title_full |
Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior. |
title_fullStr |
Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior. |
title_full_unstemmed |
Locomotion of C. elegans: a piecewise-harmonic curvature representation of nematode behavior. |
title_sort |
locomotion of c. elegans: a piecewise-harmonic curvature representation of nematode behavior. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS ONE |
issn |
1932-6203 |
publishDate |
2012-01-01 |
description |
Caenorhabditis elegans, a free-living soil nematode, displays a rich variety of body shapes and trajectories during its undulatory locomotion in complex environments. Here we show that the individual body postures and entire trails of C. elegans have a simple analytical description in curvature representation. Our model is based on the assumption that the curvature wave is generated in the head segment of the worm body and propagates backwards. We have found that a simple harmonic function for the curvature can capture multiple worm shapes during the undulatory movement. The worm body trajectories can be well represented in terms of piecewise sinusoidal curvature with abrupt changes in amplitude, wavevector, and phase. |
url |
http://europepmc.org/articles/PMC3391229?pdf=render |
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