Cited by 53Developmental Biology and Gene RegulationGenomics and Chromatin DynamicsGenomics and Phylogenetic Studies

Comprehensive identification of Drosophila dorsal–ventral patterning genes using a whole-genome tiling array

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Biemar, Frédéric, Nix, David A., Piel, Jessica, Peterson, Brant, Ronshaugen, Matthew, Sementchenko, Victor, Bell, Ian, Manak, J. Robert +1 more·2006·Proceedings of the National Academy of Sciences

Abstract

Dorsal–ventral (DV) patterning of the Drosophila embryo is initiated by Dorsal, a sequence-specific transcription factor distributed in a broad nuclear gradient in the precellular embryo. Previous studies have identified as many as 70 protein-coding genes and one microRNA (miRNA) gene that are directly or indirectly regulated by this gradient. A gene regulation network, or circuit diagram, including the functional interconnections among 40 Dorsal target genes and 20 associated tissue-specific enhancers, has been determined for the initial stages of gastrulation. Here, we attempt to extend this analysis by identifying additional DV patterning genes using a recently developed whole-genome tiling array. This analysis led to the identification of another 30 protein-coding genes, including the Drosophila homolog of Idax, an inhibitor of Wnt signaling. In addition, remote 5′ exons were identified for at least 10 of the ≈100 protein-coding genes that were missed in earlier annotations. As many as nine intergenic uncharacterized transcription units were identified, including two that contain known microRNAs, miR-1 and -9a. We discuss the potential functions of these recently identified genes and suggest that intronic enhancers are a common feature of the DV gene network.

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Crossref · 10.1073/pnas.0604484103

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  • Tiling arrays identified specific, differentially expressed splice products (e.g., bunched) and miRNAs (mir1 and mir9a) that could not be distinguished with standard arrays containing probes designed only to assay predicted gene products.

    “the tiling arrays also identified specific, differentially expressed splice products (e.g., bunched) and miRNAs (mir1 and mir9a), that could not be distinguished with standard arrays containing probes designed only to assay predicted gene products.”

    From Graded dorsal and differential gene regulation in the Drosophila embryo. (2009) · cites this paper as Biemar et al. 2006

  • Tiling arrays increased the number of genes exhibiting Dorsal-dependent regulation from approximately 50 predicted by standard chip hybridizations to approximately 100.

    “Besides increasing the number of genes exhibiting Dorsal-dependent regulation from approximately 50 predicted by standard chip hybridizations (Stathopoulos et al. 2002) to approximately 100 (Biemar et al. 2006)”

    From Graded dorsal and differential gene regulation in the Drosophila embryo. (2009) · cites this paper as Biemar et al. 2006

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Authors
Biemar, F., Nix, D. A., Piel, J., Peterson, B., Ronshaugen, M., Sementchenko, V., Bell, I., Manak, J. R., & Levine, M. S.
Affiliations
  • University of California, Berkeley (US)
  • Affymetrix (United States) (US)
Venue
Proceedings of the National Academy of Sciences
Published
2006-08-22
Volume
103
Issue
34
Pages
12763-12768
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2164146453
Cited by
53
References
45
Citations by year
2025: 1 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 1 · 2019: 2 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 4 · 2013: 2 · 2012: 3
FWCI
2.99
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion)
Funders
  • National Institutes of Health (n01co12400-79-0-22)
  • National Cancer Institute (N01CO12400, N01-CO-012400)
  • National Institute of General Medical Sciences (R37GM046638, GM-46638, R01GM046638)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
gene regulatory networks, gastrulation, Wnt signaling inhibition, microRNA genes, miR-1, intronic enhancer
MeSH terms
Animals, Drosophila melanogaster, Embryo, Nonmammalian, Gene Expression Regulation, Developmental, Body Patterning, Oligonucleotide Array Sequence Analysis, Genome, Insect

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