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Outer, inner and planar polarity in the Arabidopsis root
Umeå University, Faculty of Science and Technology, Umeå Plant Science Centre (UPSC). Institute of Biochemistry and Biology, Plant Physiology, University of Potsdam, Germany.
2018 (English)In: Current opinion in plant biology, ISSN 1369-5266, E-ISSN 1879-0356, Vol. 41, p. 46-53Article, review/survey (Refereed) Published
Abstract [en]

Plant roots control uptake of water and nutrients and cope with environmental challenges. The root epidermis provides the first selective interface for nutrient absorption, while the endodermis produces the main apoplastic diffusion barrier in the form of a structure called the Casparian strip. The positioning of root hairs on epidermal cells, and of the Casparian strip around endodermal cells, requires asymmetries along cellular axes (cell polarity). Cell polarity is termed planar polarity, when coordinated within the plane of a given tissue layer. Here, we review recent molecular advances towards understanding both the polar positioning of the proteo-lipid membrane domain instructing root hair initiation, and the cytoskeletal, trafficking and polar tethering requirements of proteins at outer or inner plasma membrane domains. Finally, we highlight progress towards understanding mechanisms of Casparian strip formation and underlying endodermal cell polarity.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 41, p. 46-53
National Category
Botany
Identifiers
URN: urn:nbn:se:umu:diva-146239DOI: 10.1016/j.pbi.2017.08.002ISI: 000427333500008PubMedID: 28869926OAI: oai:DiVA.org:umu-146239DiVA, id: diva2:1196122
Available from: 2018-04-09 Created: 2018-04-09 Last updated: 2018-06-09Bibliographically approved

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Grebe, Markus

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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  • asciidoc
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