Cited by 308Developmental Biology and Gene RegulationWnt/β-catenin signaling in development and cancerGenomics and Chromatin Dynamics

Dorsal-ventral patterning of the Drosophila embryo depends on a putative negative growth factor encoded by the short gastrulation gene.

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Francois, V, Solloway, M, O'Neill, J W, Emery, J, Bier, E·1994·Genes & Development

Abstract

Pattern formation in the dorsal region of the Drosophila embryo depends on the activity of a small group of zygotically acting genes. dpp, a key gene in this group, encodes a TGF-beta-like product (Dpp) that has been proposed to function as a morphogen with peak levels of Dpp-specifying amnioserosa, the dorsal-most cell type, and lower Dpp levels specifying dorsal ectoderm. The short gastrulation gene also contributes to patterning the dorsal region, but unlike the other genes involved in this process, sog activity is only required in ventral cells. Genetic evidence indicates that sog functions to antagonize dpp activity. In this report we present further phenotypic characterization of sog mutant embryos in dorsal and lateral regions and describe the cloning of the sog locus. sog is expressed in a broad lateral stripe of cells that abuts the dorsal territory of dpp-expressing cells. sog is predicted to encode a protein with an internal signal sequence and a large extracellular domain containing four repeats of a novel motif defined by the spacing of 10 cysteine residues that is distantly related to domains present in thrombospondin and procollagen. We propose that one or more of these cysteine repeats can be liberated by proteolytic cleavage of the primary Sog protein. These putative soluble Sog peptides may then diffuse into the dorsal region to antagonize the activity of Dpp, leading to the subdivision of the dorsal territory into amnioserosa and dorsal ectoderm.

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Crossref · 10.1101/gad.8.21.2602

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  • sog and ths genes are required for patterning the dorsal ectoderm, amnioserosa, and dorsal mesoderm.

    “These genes are required for patterning the dorsal ectoderm, amnioserosa, and dorsal mesoderm”

    From Graded dorsal and differential gene regulation in the Drosophila embryo. (2009) · cites this paper as Francois et al. 1994

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Authors
Francois, V, Solloway, M., O'Neill, J. W., Emery, J., & Bier, E.
Affiliations
University of California San Diego (US)
Venue
Genes & Development
Published
1994-11-01
Volume
8
Issue
21
Pages
2602-2616
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2172086325
Cited by
308
References
76
Citations by year
2026: 2 · 2025: 4 · 2024: 2 · 2023: 3 · 2022: 6 · 2021: 2 · 2020: 4 · 2019: 5 · 2018: 1 · 2017: 6 · 2016: 13 · 2015: 6 · 2014: 4 · 2013: 4 · 2012: 5
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Alfred P. Sloan Foundation
  • March of Dimes Foundation
  • McKnight Foundation
  • Centre National de la Recherche Scientifique
  • National Institutes of Health (RO1-NS29870, NS29870)
  • National Institute of Neurological Disorders and Stroke (R01-NS29870-01, R01NS029870)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
short gastrulation, SOG, dorsoventral patterning, Drosophila embryo, DPP, TGF-beta, amnioserosa, dorsal ectoderm, proteolytic cleavage, gene cloning
MeSH terms
Amino Acid Sequence, Animals, Base Sequence, Drosophila, Embryo, Nonmammalian, Female, Gastrula, Gene Expression Regulation, Genes, Lethal, Heterozygote, Insect Hormones, Male, Molecular Sequence Data, Gene Expression, Polymerase Chain Reaction, Transforming Growth Factor beta, Genes, Insect, Sequence Homology, Amino Acid, Drosophila Proteins

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