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Interaction of PIN and PGP transport mechanisms in auxin distribution-dependent development

Jozef Mravec UGent, Martin Kubeš, Agnieszka Bielach UGent, Vassilena Gaykova, Jan Petrášek, Petr Skůpa, Suresh Chand, Eva Benkova UGent, Eva Zažímalová and Jiri Friml UGent (2008) DEVELOPMENT. 135(20). p.3345-3354
abstract
The signalling molecule auxin controls plant morphogenesis via its activity gradients, which are produced by intercellular auxin transport. Cellular auxin efflux is the rate-limiting step in this process and depends on PIN and phosphoglycoprotein (PGP) auxin transporters. Mutual roles for these proteins in auxin transport are unclear, as is the significance of their interactions for plant development. Here, we have analysed the importance of the functional interaction between PIN- and PGP-dependent auxin transport in development. We show by analysis of inducible overexpression lines that PINs and PGPs define distinct auxin transport mechanisms: both mediate auxin efflux but they play diverse developmental roles. Components of both systems are expressed during embryogenesis, organogenesis and tropisms, and they interact genetically in both synergistic and antagonistic fashions. A concerted action of PIN- and PGP-dependent efflux systems is required for asymmetric auxin distribution during these processes. We propose a model in which PGP-mediated efflux controls auxin levels in auxin channel-forming cells and, thus, auxin availability for PIN- dependent vectorial auxin movement.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
PIN, PGP, auxin transport, embryogenesis, organogenesis, tropisms, PROTEIN PHOSPHATASE 2A, LATERAL ROOT DEVELOPMENT, REGULATORY SUBUNIT, ABC TRANSPORTERS, POLAR TRANSPORT, TWISTED DWARF1, ARABIDOPSIS, EFFLUX, PLANTS, GROWTH
journal title
DEVELOPMENT
Development
volume
135
issue
20
pages
3345 - 3354
Web of Science type
Article
Web of Science id
000259568600004
JCR category
DEVELOPMENTAL BIOLOGY
JCR impact factor
6.812 (2008)
JCR rank
5/37 (2008)
JCR quartile
1 (2008)
ISSN
0950-1991
DOI
10.1242/dev.021071
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
436334
handle
http://hdl.handle.net/1854/LU-436334
date created
2008-11-04 19:46:00
date last changed
2012-12-05 14:17:03
@article{436334,
  abstract     = {The signalling molecule auxin controls plant morphogenesis via its activity gradients, which are produced by intercellular auxin transport. Cellular auxin efflux is the rate-limiting step in this process and depends on PIN and phosphoglycoprotein (PGP) auxin transporters. Mutual roles for these proteins in auxin transport are unclear, as is the significance of their interactions for plant development. Here, we have analysed the importance of the functional interaction between PIN- and PGP-dependent auxin transport in development. We show by analysis of inducible overexpression lines that PINs and PGPs define distinct auxin transport mechanisms: both mediate auxin efflux but they play diverse developmental roles. Components of both systems are expressed during embryogenesis, organogenesis and tropisms, and they interact genetically in both synergistic and antagonistic fashions. A concerted action of PIN- and PGP-dependent efflux systems is required for asymmetric auxin distribution during these processes. We propose a model in which PGP-mediated efflux controls auxin levels in auxin channel-forming cells and, thus, auxin availability for PIN- dependent vectorial auxin movement.},
  author       = {Mravec, Jozef and Kube\v{s}, Martin and Bielach, Agnieszka and Gaykova, Vassilena and Petr{\'a}\v{s}ek, Jan and Sk\r{u}pa, Petr and Chand, Suresh and Benkova, Eva and Za\v{z}{\'i}malov{\'a}, Eva and Friml, Jiri},
  issn         = {0950-1991},
  journal      = {DEVELOPMENT},
  keyword      = {PIN,PGP,auxin transport,embryogenesis,organogenesis,tropisms,PROTEIN PHOSPHATASE 2A,LATERAL ROOT DEVELOPMENT,REGULATORY SUBUNIT,ABC TRANSPORTERS,POLAR TRANSPORT,TWISTED DWARF1,ARABIDOPSIS,EFFLUX,PLANTS,GROWTH},
  language     = {eng},
  number       = {20},
  pages        = {3345--3354},
  title        = {Interaction of PIN and PGP transport mechanisms in auxin distribution-dependent development},
  url          = {http://dx.doi.org/10.1242/dev.021071},
  volume       = {135},
  year         = {2008},
}

Chicago
Mravec, Jozef, Martin Kubeš, Agnieszka Bielach, Vassilena Gaykova, Jan Petrášek, Petr Skůpa, Suresh Chand, Eva Benkova, Eva Zažímalová, and Jiri Friml. 2008. “Interaction of PIN and PGP Transport Mechanisms in Auxin Distribution-dependent Development.” Development 135 (20): 3345–3354.
APA
Mravec, J., Kubeš, M., Bielach, A., Gaykova, V., Petrášek, J., Skůpa, P., Chand, S., et al. (2008). Interaction of PIN and PGP transport mechanisms in auxin distribution-dependent development. DEVELOPMENT, 135(20), 3345–3354.
Vancouver
1.
Mravec J, Kubeš M, Bielach A, Gaykova V, Petrášek J, Skůpa P, et al. Interaction of PIN and PGP transport mechanisms in auxin distribution-dependent development. DEVELOPMENT. 2008;135(20):3345–54.
MLA
Mravec, Jozef, Martin Kubeš, Agnieszka Bielach, et al. “Interaction of PIN and PGP Transport Mechanisms in Auxin Distribution-dependent Development.” DEVELOPMENT 135.20 (2008): 3345–3354. Print.