2D Effects Enhance Precision of Gradient-Based Tissue Patterning
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Date
2023-10-20
Publication Type
Journal Article
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yes
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Abstract
Robust embryonic development requires pattern formation with high spatial accuracy. In epithelial tissues that are patterned by morphogen gradients, the emerging patterns achieve levels of precision that have recently been explained by a simple one-dimensional reaction-diffusion model with kinetic noise. Here, we show that patterning precision is even greater if transverse diffusion effects are at play in such tissues. The positional error, a measure for spatial patterning accuracy, decreases in wider tissues but then saturates beyond a width of about ten cells. This demonstrates that the precision of gradient-based patterning in two- or higher-dimensional systems can be even greater than predicted by 1D models, and further attests to the potential of noisy morphogen gradients for high-precision tissue patterning.
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published
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Journal / series
Volume
26 (10)
Pages / Article No.
107880
Publisher
Elsevier
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Subject
Patterning; Precision; Morphogen gradient; Reaction-diffusion model; 2D
Organisational unit
03791 - Iber, Dagmar / Iber, Dagmar
Notes
Funding
170930 - A 3D Cell-Based Simulation Framework for Morphogenetic Problems (SNF)