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Updated: Jun 23, 2026

Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging

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Published on: April 30, 2019

Genomic control of patterning.

Isabelle S Peter¹, Eric H Davidson

¹California Institute of Technology, Pasadena, 91125, USA. ipeter@caltech.edu

The International Journal of Developmental Biology

|April 21, 2009

Summary

This summary is machine-generated.

Multicellular organism development relies on spatial patterning encoded in the genome. Gene regulatory networks (GRNs) orchestrate this process, as seen in sea urchin endomesoderm development.

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Area of Science:

Developmental biology
Genomics
Molecular biology

Background:

Multicellular organism development involves precise spatial patterning of cells.
The genome encodes information for spatial patterning through gene regulatory networks (GRNs).

Purpose of the Study:

To illustrate regulatory strategies in developmental programs using a specific example.
To examine how gene regulatory networks (GRNs) define territories in developing embryos.

Main Methods:

Analysis of the gene regulatory network (GRN) driving endomesoderm development.
Investigating regulatory strategies for pattern formation in sea urchin embryos.

Main Results:

The sea urchin endomesoderm GRN exemplifies diverse strategies for initiating, orchestrating, stabilizing, and excluding developmental programs.
These strategies are crucial for defining specific cell territories within the developing embryo.

Conclusions:

Gene regulatory networks (GRNs) provide a framework for understanding spatial patterning in development.
The study highlights the complexity and adaptability of developmental programs encoded in the genome.