A model of hyphal tip growth involving microtubule-based transport

Details A model of hyphal tip growth involving microtubule-based transport A model of hyphal tip growth involving microtubule-based transport

2006-05-09

arxiv.org/abs/q-bio/0605013v2

Phys. Rev. E 75, 031909 (2007)

Biology

Quantitative Biology

Subcellular Processes

5 pages, 5 figures

Scientific paper

10.1103/PhysRevE.75.031909

We propose a simple model for mass transport within a fungal hypha and its subsequent growth. Inspired by the role of microtubule-transported vesicles, we embody the internal dynamics of mass inside a hypha with mutually excluding particles progressing stochastically along a growing one-dimensional lattice. The connection between long range transport of materials for growth, and the resulting extension of the hyphal tip has not previously been addressed in the modelling literature. We derive and analyse mean-field equations for the model and present a phase diagram of its steady state behaviour, which we compare to simulations. We discuss our results in the context of the filamentous fungus, Neurospora crassa.

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