PUBLICATION

Chiral Cilia Orientation in the Left-Right Organizer

Authors
Ferreira, R.R., Pakula, G., Klaeyle, L., Fukui, H., Vilfan, A., Supatto, W., Vermot, J.
ID
ZDB-PUB-181127-43
Date
2018
Source
Cell Reports   25: 2008-2016.e4 (Journal)
Registered Authors
Ferreira, Rita, Fukui, Hajime, Vermot, Julien
Keywords
Danio rerio, Dnaaf1/Lrrc50, PKD2/PC2/TRPP2/polycistin-2, Rock2B, blebbistatin, lrdr1, nodal, spaw, tissue asymmetry, trilobite/Vangl2
MeSH Terms
  • Animals
  • Basal Bodies/metabolism
  • Body Patterning*
  • Cilia/metabolism*
  • Organizers, Embryonic/physiology
  • Zebrafish/embryology*
  • Zebrafish Proteins/metabolism
PubMed
30462999 Full text @ Cell Rep.
Abstract
Chirality is a property of asymmetry between an object and its mirror image. Most biomolecules and many cell types are chiral. In the left-right organizer (LRO), cilia-driven flows transfer such chirality to the body scale. However, the existence of cellular chirality within tissues remains unknown. Here, we investigate this question in Kupffer's vesicle (KV), the zebrafish LRO. Quantitative live imaging reveals that cilia populating the KV display asymmetric orientation between the right and left sides, resulting in a chiral structure, which is different from the chiral cilia rotation. This KV chirality establishment is dynamic and depends on planar cell polarity. While its impact on left-right (LR) symmetry breaking remains unclear, we show that this asymmetry does not depend on the LR signaling pathway or flow. This work identifies a different type of tissue asymmetry and sheds light on chirality genesis in developing tissues.
Genes / Markers
Figures
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Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping