On the competitive uptake and transport of ions through differentiated root tissues.

Clicks: 191
ID: 41454
2014
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Abstract
We simulate the competitive uptake and transport of a mixed salt system in the differentiated tissues of plant roots. The results are based on a physical model that includes both forced diffusion and convection by the transpiration stream. The influence of the Casparian strip on regulating apoplastic flow, the focus of the paper, is modelled by varying ion diffusive permeabilities, hydraulic reflection coefficients and water permeability for transport across the endodermis-pericycle interface. We find that reducing diffusive permeabilities leads to significantly altered ion concentration profiles in the pericycle and vascular cylinder regions, while increased convective reflectivities affect predominantly ion concentrations in the cortex and endodermis tissues. The self-consistent electric field arising from ion separation is a major influence on predicted ion fluxes and accumulation rates.
Reference Key
foster2014onjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Foster, Kylie J;Miklavcic, Stanley J;
Journal Journal of theoretical biology
Year 2014
DOI
10.1016/j.jtbi.2013.09.004
URL
Keywords Keywords not found

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