Plant cortical microtubule dynamics and cell division plane orientation

Bandan Chakrabortty

Research output: Thesisinternal PhD, WU

Abstract

This thesis work aimed at a better understanding of the molecular basis of oriented cell division in plant cell. As, the efficiency of plant morphogenesis depends on oriented cell division, this work should contribute  towards a fundamental understanding of the  molecular basis of efficient plant morphogenesis. We describe a modelling framework that allows us to simulate microtubule dynamics on the surface of arbitrary shapes. We further explored the generic role of microtubule regulatory effects  such as shape anisotropy, edge-catastrophe and enhanced microtubule stabilization on the orientation of the microtubule array. Through a  combined approach of experimental observations of cell division patterns and simulation of microtubule dynamics, we describe a possible molecular basis of oriented cell division during Arabidopsis early embryogenesis. We also infer the necessity of incorporating anisotropic growth/stress response of microtubules towards understanding division plane orientation in the growing epidermal root cells of Arabidopsis.

Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Wageningen University
Supervisors/Advisors
  • Scheres, Ben, Promotor
  • Mulder, Bela, Promotor
Award date30 May 2017
Place of PublicationWageningen
Publisher
Print ISBNs9789463431828
DOIs
Publication statusPublished - 2017

Keywords

  • microtubules
  • plant cell biology
  • cell division
  • plant development
  • molecular biology
  • morphogenesis
  • simulation

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