A Genomic Regulatory Network for Development

Author:

Davidson Eric H.1,Rast Jonathan P.1,Oliveri Paola1,Ransick Andrew1,Calestani Cristina1,Yuh Chiou-Hwa1,Minokawa Takuya1,Amore Gabriele1,Hinman Veronica1,Arenas-Mena César1,Otim Ochan1,Brown C. Titus1,Livi Carolina B.1,Lee Pei Yun1,Revilla Roger1,Rust Alistair G.2,Pan Zheng jun2,Schilstra Maria J.2,Clarke Peter J. C.2,Arnone Maria I.3,Rowen Lee4,Cameron R. Andrew1,McClay David R.5,Hood Leroy4,Bolouri Hamid2

Affiliation:

1. Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA.

2. Science and Technology Research Centre, University of Hertfordshire, AL10 9AB, UK.

3. Stazione Zoologica Anton Dohrn, 80121 Naples, Italy.

4. Institute for Systems Biology, Seattle, WA 98105, USA.

5. Department of Zoology, Duke University, Durham, NC 27708–0325, USA.

Abstract

Development of the body plan is controlled by large networks of regulatory genes. A gene regulatory network that controls the specification of endoderm and mesoderm in the sea urchin embryo is summarized here. The network was derived from large-scale perturbation analyses, in combination with computational methodologies, genomic data, cis-regulatory analysis, and molecular embryology. The network contains over 40 genes at present, and each node can be directly verified at the DNA sequence level by cis-regulatory analysis. Its architecture reveals specific and general aspects of development, such as how given cells generate their ordained fates in the embryo and why the process moves inexorably forward in developmental time.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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