Advanced search
1 file | 871.71 KB

In silico analyses of pericycle cell populations reinforce their relation with associated vasculature in Arabidopsis

Boris Parizot (UGent) , Ianto Roberts (UGent) , Jeroen Raes, Tom Beeckman (UGent) and Ive De Smet (UGent)
Author
Organization
Abstract
In Arabidopsis, lateral root initiation occurs in a subset of pericycle cells at the xylem pole that will divide asymmetrically to give rise to a new lateral root organ. While lateral roots never develop at the phloem pole, it is unclear how the interaction with xylem and phloem poles determines the distinct pericycle identities with different competences. Nevertheless, pericycle cells at these poles are marked by differences in size, by ultrastructural features and by specific proteins and gene expression. Here, we provide transcriptional evidence that pericycle cells are intimately associated with their vascular tissue instead of being a separate concentric layer. This has implications for the identification of cell- and tissue-specific promoters that are necessary to drive and/or alter gene expression locally, avoiding pleiotropic effects. We were able to identify a small set of genes that display specific expression in the phloem or xylem pole pericycle cells, and we were able to identify motifs that are likely to drive expression in either one of those tissues.
Keywords
TRANSPORT, MERISTEM, DISCOVERY, THALIANA, BIOSYNTHESIS, GENE-EXPRESSION, HYOSCYAMINE 6-BETA-HYDROXYLASE, PROBE LEVEL DATA, FACTOR-BINDING SITES, LATERAL ROOT INITIATION

Downloads

  • (...).pdf
    • full text
    • |
    • UGent only
    • |
    • PDF
    • |
    • 871.71 KB

Citation

Please use this url to cite or link to this publication:

Chicago
Parizot, Boris, Ianto Roberts, Jeroen Raes, Tom Beeckman, and Ive De Smet. 2012. “In Silico Analyses of Pericycle Cell Populations Reinforce Their Relation with Associated Vasculature in Arabidopsis.” Philosophical Transactions of the Royal Society B-biological Sciences 367 (1595): 1479–1488.
APA
Parizot, B., Roberts, I., Raes, J., Beeckman, T., & De Smet, I. (2012). In silico analyses of pericycle cell populations reinforce their relation with associated vasculature in Arabidopsis. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 367(1595), 1479–1488.
Vancouver
1.
Parizot B, Roberts I, Raes J, Beeckman T, De Smet I. In silico analyses of pericycle cell populations reinforce their relation with associated vasculature in Arabidopsis. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES. 2012;367(1595):1479–88.
MLA
Parizot, Boris, Ianto Roberts, Jeroen Raes, et al. “In Silico Analyses of Pericycle Cell Populations Reinforce Their Relation with Associated Vasculature in Arabidopsis.” PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 367.1595 (2012): 1479–1488. Print.
@article{2965199,
  abstract     = {In Arabidopsis, lateral root initiation occurs in a subset of pericycle cells at the xylem pole that will divide asymmetrically to give rise to a new lateral root organ. While lateral roots never develop at the phloem pole, it is unclear how the interaction with xylem and phloem poles determines the distinct pericycle identities with different competences. Nevertheless, pericycle cells at these poles are marked by differences in size, by ultrastructural features and by specific proteins and gene expression. Here, we provide transcriptional evidence that pericycle cells are intimately associated with their vascular tissue instead of being a separate concentric layer. This has implications for the identification of cell- and tissue-specific promoters that are necessary to drive and/or alter gene expression locally, avoiding pleiotropic effects. We were able to identify a small set of genes that display specific expression in the phloem or xylem pole pericycle cells, and we were able to identify motifs that are likely to drive expression in either one of those tissues.},
  author       = {Parizot, Boris and Roberts, Ianto and Raes, Jeroen and Beeckman, Tom and De Smet, Ive},
  issn         = {0962-8436},
  journal      = {PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES},
  keyword      = {TRANSPORT,MERISTEM,DISCOVERY,THALIANA,BIOSYNTHESIS,GENE-EXPRESSION,HYOSCYAMINE 6-BETA-HYDROXYLASE,PROBE LEVEL DATA,FACTOR-BINDING SITES,LATERAL ROOT INITIATION},
  language     = {eng},
  number       = {1595},
  pages        = {1479--1488},
  title        = {In silico analyses of pericycle cell populations reinforce their relation with associated vasculature in Arabidopsis},
  url          = {http://dx.doi.org/10.1098/rstb.2011.0227},
  volume       = {367},
  year         = {2012},
}

Altmetric
View in Altmetric
Web of Science
Times cited: