Cited by 150Developmental Biology and Gene RegulationGene Regulatory Network AnalysisGenomics and Chromatin Dynamics

The endoderm gene regulatory network in sea urchin embryos up to mid-blastula stage

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Peter, Isabelle S., Davidson, Eric H.·2010·Developmental Biology

Abstract

As the result of early specification processes, sea urchin embryos eventually form various mesodermal cell lineages and a gut consisting of fore-, mid- and hindgut. The progression of specification as well as the overall spatial organization of the organism is encoded in its gene regulatory networks (GRNs). We have analyzed the GRN driving endoderm specification up to the onset of gastrulation and present in this paper the mechanisms which determine this process up to mid-blastula stage. At this stage, the embryo consists of two separate lineages of endoderm precursor cells with distinct regulatory states. One of these lineages, the veg2 cell lineage, gives rise to endoderm and mesoderm cell types. The separation of these cell fates is initiated by the spatially confined activation of the mesoderm GRN superimposed on a generally activated endoderm GRN within veg2 descendants. Here we integrate the architecture of regulatory interactions with the spatial restriction of regulatory gene expression to model the logic control of endoderm development.

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Crossref · 10.1016/j.ydbio.2009.10.037

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  • The sea urchin mesoderm, endoderm, and oral/aboral ectoderm specification GRNs are deep, layered, and hierarchical.

    “The GRNs underlying specification of the mesoderm, endoderm1,2,8 and of the oral and aboral ectoderm9 of the sea urchin embryo are similarly deep, layered and hierarchical.”

    From Emerging properties of animal gene regulatory networks (2010) · cites this paper as [8]

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Research works printed but not linked: 2

  1. Davidson EH 2006 The Regulatory Genome. Gene Regulatory Networks in Development and Evolution Academic Press/Elsevier San Diego, CA
  2. Theodoris C 2009 Determining the factors governing the expression of hox11/13b to understand its role in gut formation Caltech Honors Thesis

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Authors
Peter, I. S., & Davidson, E. H.
Affiliations
California Institute of Technology (US)
Corresponding author
  • Peter, Isabelle S.
  • Davidson, Eric H.
Venue
Developmental Biology
Publisher
Elsevier BV
Published
2010-04
Volume
340
Issue
2
Pages
188-199
ISSN
0012-1606 (ISSN-L)
OpenAlex
W2019433333
Cited by
150
References
47
Citations by year
2026: 2 · 2025: 7 · 2024: 6 · 2023: 6 · 2022: 8 · 2021: 9 · 2020: 6 · 2019: 9 · 2018: 8 · 2017: 7 · 2016: 10 · 2015: 12 · 2014: 11 · 2013: 8 · 2012: 19
FWCI
5.36
Type
journal article
Language
en
Open access
Locations
  • Developmental Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
Funders
National Institutes of Health (HD-37105)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
endoderm specification, gene regulatory networks, sea urchin embryo, gastrulation, mesoderm specification, intestinal development, cell fate specification, regulatory interactions
MeSH terms
Animals, Embryo, Nonmammalian, Endoderm, Genes, Regulator, Models, Biological, Sea Urchins, Gene Expression Regulation, Developmental, Cell Lineage, Blastula, Gene Regulatory Networks

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