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  Shape mode analysis exposes movement patterns in biology: Flagella and flatworms as case studies.

Werner, S., Rink, J. C., Riedel-Kruse, I. H., & Friedrich, B. M. (2014). Shape mode analysis exposes movement patterns in biology: Flagella and flatworms as case studies. PLoS One, 9(11): e113083. doi:10.1371/journal.pone.0113083.

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Werner, S., Author
Rink, J. C.1, Author              
Riedel-Kruse, I. H., Author
Friedrich, B. M., Author
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1Department of Tissue Dynamics and Regeneration, MPI for Biophysical Chemistry, Max Planck Society, ou_3181978              

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 Abstract: We illustrate shape mode analysis as a simple, yet powerful technique to concisely describe complex biological shapes and their dynamics. We characterize undulatory bending waves of beating flagella and reconstruct a limit cycle of flagellar oscillations, paying particular attention to the periodicity of angular data. As a second example, we analyze non-convex boundary outlines of gliding flatworms, which allows us to expose stereotypic body postures that can be related to two different locomotion mechanisms. Further, shape mode analysis based on principal component analysis allows to discriminate different flatworm species, despite large motion-associated shape variability. Thus, complex shape dynamics is characterized by a small number of shape scores that change in time. We present this method using descriptive examples, explaining abstract mathematics in a graphic way.

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Language(s): eng - English
 Dates: 2014-11
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1371/journal.pone.0113083
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Title: PLoS One
Source Genre: Journal
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Pages: - Volume / Issue: 9 (11) Sequence Number: e113083 Start / End Page: - Identifier: -