Cited by 222Developmental Biology and Gene RegulationCongenital limb and hand anomaliesGenomics and Chromatin Dynamics

Control of Hoxd genes' collinearity during early limb development

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Tarchini, Basile, Duboule, Denis·2006·Developmental Cell

Abstract

Hoxd genes are essential for limb growth and patterning. They are activated following a complex transcriptional regulation, leading to expression domains that are collinear in both space and time. To understand the mechanism(s) underlying collinearity, we produced and analyzed a set of mouse strains containing systematic deletions and duplications within the HoxD cluster. We show that two waves of transcriptional activation, controlled by different mechanisms, generate the observed developmental expression patterns. The first wave is time-dependent, involves the action of opposite regulatory modules, and is essential for the growth and polarity of the limb up to the forearm. The second phase involves a different regulation and is required for the morphogenesis of digits. We propose that these two phases reflect the different phylogenetic histories of proximal versus distal limb structures and discuss the biological relevance of these collinear patterns, particularly for the origin of the anterior-to-posterior limb polarity.

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Crossref · 10.1016/j.devcel.2005.11.014

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  • A second phase of hoxd expression is controlled by distant enhancers 200 kb from the 5' end, required to pattern the autopod region where digits form.

    “A second phase of hoxd expression is controlled by other complex distant enhancers located 200kb away from the 5' end of the cluster, which are required to pattern the autopod region of the tetrapod limb where the digits form (Tarchini and Duboule, 2006).”

    From Evolution of Gene Regulatory Networks Controlling Body Plan Development (2011) · cites this paper as Tarchini and Duboule, 2006

    The Introduction describes a global enhancer region centromeric to the 5′ end of the HoxD cluster that controls expression in digits, and “Two Waves of Hoxd Gene Expression Occur during Forelimb Bud Development” identifies a second wave in the presumptive digit territory. Our copy does not give the claimed 200 kb distance or establish that the enhancers are required to pattern the autopod, rather than to regulate Hoxd expression there. Page numbers are unavailable in the indexed copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • The GCR is responsible for graded expression of the five posterior hox genes across the A/P dimension of the autopod.

    “This “global control region” (GCR) is responsible for a graded expression of the five posterior hox genes across the A/P dimension of the autopod.”

    From Evolution of Gene Regulatory Networks Controlling Body Plan Development (2011) · cites this paper as Tarchini and Duboule, 2006

    The ‘Two Waves of Hoxd Gene Expression’ section says the GCR drives expression of five contiguous genes in the presumptive digit domain, which becomes the autopod. The Introduction attributes their anterior–posterior expression asymmetry to the posterior location of Shh signaling; its description of a progressive decrease concerns transcriptional efficiency across the genes, not a GCR-driven gradient across the autopod. Page numbers are unavailable in our copy. (LLM, conf=0.86)

    Experimental — accuracy not yet measured

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Authors
Tarchini, B., & Duboule, D.
Affiliations
University of Geneva (CH)
Corresponding author
Duboule, Denis
Venue
Developmental Cell
Publisher
Elsevier BV
Published
2006-01
Volume
10
Issue
1
Pages
93-103
ISSN
1534-5807 (ISSN-L)
OpenAlex
W2127678679
Cited by
222
References
35
Citations by year
2026: 3 · 2025: 1 · 2024: 7 · 2023: 6 · 2022: 5 · 2021: 13 · 2020: 10 · 2019: 8 · 2018: 10 · 2017: 12 · 2016: 13 · 2015: 6 · 2014: 13 · 2013: 13 · 2012: 12
FWCI
8.85
Type
journal article
Language
en
Open access
Locations
  • Developmental Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Archive ouverte UNIGE (University of Geneva) (publishedVersion, other-oa)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
  • Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
Funders
  • National Center of Competence in Research Quantum Science and Technology
  • Canton de Genève
  • Louis-Jeantet Foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Congenital limb and hand anomalies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
Hoxd genes, HoxD cluster, multicollinearity, limb development, transcriptional regulation, gene deletion, mouse mutants
MeSH terms
Age Factors, Animals, DNA-Binding Proteins, Embryo, Mammalian, Extremities, Genes, Homeobox, Mice, Transgenic, Models, Biological, Nuclear Proteins, Gene Deletion, In Situ Hybridization, Homeodomain Proteins, Gene Expression Regulation, Developmental, Body Patterning, Mice

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