| Literature DB >> 25977961 |
Silvia Grigolon, Peter Sollich, Olivier C Martin.
Abstract
The hormone auxin is actively transported throughout plants via protein machineries including the dedicated transporter known as PIN. The associated transport is ordered with nearby cells driving auxin flux in similar directions. Here, we provide a model of both the auxin transport and of the dynamics of cellular polarization based on flux sensing. Our main findings are: (i) spontaneous intracellular PIN polarization arises if PIN recycling dynamics are sufficiently nonlinear, (ii) there is no need for an auxin concentration gradient and (iii) ordered multi-cellular patterns of PIN polarization are favoured by molecular noise.Entities:
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Year: 2015 PMID: 25977961 PMCID: PMC4424666 DOI: 10.1098/rsif.2014.1223
Source DB: PubMed Journal: J R Soc Interface ISSN: 1742-5662 Impact factor: 4.118