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Pollen Tubes With More Viscous Cell Walls Oscillate at Lower Frequencies

Published online by Cambridge University Press:  10 July 2013

J. H. Kroeger  and
A. Geitmann
J. H. Kroeger
Affiliation:
Raymor Nanotech, Boisbriand, Québec, Canada
A. Geitmann*
Affiliation:
Département de sciences biologiques, Institut de recherche en biologie végétale, Université de Montréal, Montréal, Québec, Canada
*
⋆ Corresponding author. E-mail: jkroeger@raymor.com
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Abstract

Pollen tubes are tip growing plant cells that display oscillatory growth behavior. It has been demonstrated experimentally that the reduction of the average pollen tube growth rate through elevated extracellular calcium or borate concentrations coincides with a greater amplitude of the growth rate oscillation and a lower oscillation frequency. We present a simple numerical model of pollen tube growth that reproduces these results, as well as analytical calculations that suggest an underlying mechanism. These data show that the pollen tube oscillator is non-isochronous, and is different from harmonic oscillation.

Keywords

pollen tube growthoscillationsboratecalciumharmonic oscillatormodelling
Type
Research Article
Information
Mathematical Modelling of Natural Phenomena , Volume 8 , Issue 4: Plant growth modelling , 2013 , pp. 25 - 34
Copyright
© EDP Sciences, 2013

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