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Modeling auxin transport and plant development

Heisler, Marcus and Jönsson, Henrik LU (2006) In Journal of Plant Growth Regulation 25. p.302-312
Abstract
The plant hormone auxin plays a critical role in plant development. Central to its function is its distribution in plant tissues, which is, in turn, largely shaped by intercellular polar transport processes. Auxin transport relies on diffusive uptake as well as carrier-mediated transport via influx and efflux carriers. Mathematical models have been used to both refine our theoretical understanding of these processes and to test new hypotheses regarding the localization of efflux carriers to understand auxin patterning at the tissue level. Here we review models for auxin transport and how they have been applied to patterning processes, including the elaboration of plant vasculature and primordium positioning. Second, we investigate the... (More)
The plant hormone auxin plays a critical role in plant development. Central to its function is its distribution in plant tissues, which is, in turn, largely shaped by intercellular polar transport processes. Auxin transport relies on diffusive uptake as well as carrier-mediated transport via influx and efflux carriers. Mathematical models have been used to both refine our theoretical understanding of these processes and to test new hypotheses regarding the localization of efflux carriers to understand auxin patterning at the tissue level. Here we review models for auxin transport and how they have been applied to patterning processes, including the elaboration of plant vasculature and primordium positioning. Second, we investigate the possible role of auxin influx carriers such as AUX1 in patterning auxin in the shoot meristem. We find that AUX1 and its relatives are likely to play a crucial role in maintaining high auxin levels in the meristem epidermis. We also show that auxin influx carriers may play an important role in stabilizing auxin distribution patterns generated by auxin-gradient type models for phyllotaxis. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
AUX1, pattern formation, Arabidopsis, meristem, phyllotaxis, auxin, PINFORMED1, development
in
Journal of Plant Growth Regulation
volume
25
pages
302 - 312
publisher
Springer New York
external identifiers
  • WOS:000242853800005
  • Scopus:33845691868
ISSN
0721-7595
DOI
10.1007/s00344-006-0066-x
language
English
LU publication?
yes
id
9f8cb42e-527a-4a1a-9c26-951e7d4424cf (old id 795605)
alternative location
http://dx.doi.org/10.1007/s00344-006-0066-x
date added to LUP
2007-12-27 15:52:38
date last changed
2016-10-13 04:26:42
@misc{9f8cb42e-527a-4a1a-9c26-951e7d4424cf,
  abstract     = {The plant hormone auxin plays a critical role in plant development. Central to its function is its distribution in plant tissues, which is, in turn, largely shaped by intercellular polar transport processes. Auxin transport relies on diffusive uptake as well as carrier-mediated transport via influx and efflux carriers. Mathematical models have been used to both refine our theoretical understanding of these processes and to test new hypotheses regarding the localization of efflux carriers to understand auxin patterning at the tissue level. Here we review models for auxin transport and how they have been applied to patterning processes, including the elaboration of plant vasculature and primordium positioning. Second, we investigate the possible role of auxin influx carriers such as AUX1 in patterning auxin in the shoot meristem. We find that AUX1 and its relatives are likely to play a crucial role in maintaining high auxin levels in the meristem epidermis. We also show that auxin influx carriers may play an important role in stabilizing auxin distribution patterns generated by auxin-gradient type models for phyllotaxis.},
  author       = {Heisler, Marcus and Jönsson, Henrik},
  issn         = {0721-7595},
  keyword      = {AUX1,pattern formation,Arabidopsis,meristem,phyllotaxis,auxin,PINFORMED1,development},
  language     = {eng},
  pages        = {302--312},
  publisher    = {ARRAY(0x9cf8260)},
  series       = {Journal of Plant Growth Regulation},
  title        = {Modeling auxin transport and plant development},
  url          = {http://dx.doi.org/10.1007/s00344-006-0066-x},
  volume       = {25},
  year         = {2006},
}