ArticleiScience2024
Evolutionarily conserved Wnt/Sp5 signaling is critical for anterior-posterior axis patterning in sea urchin embryos.
Article in iScience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- An Integrated Canonical and Non-Canonical Wnt Signaling Network Controls Early Anterior-Posterior Axis Formation in Sea Urchin Embryos.Journal of developmental biology · 2025Review
- Sp Transcription Factors Establish the Signaling Environment in the Neuromesodermal Progenitor Niche During Axial Elongation.bioRxiv : the preprint server for biology · 2025Article
- Anterior-Posterior Wnt Signaling Network Conservation between Indirect Developing Sea Urchin and Hemichordate Embryos.Integrative and comparative biology · 2024Article
- Localization and origins of juvenile skeletogenic cells in the sea urchin Lytechinuspictus.Developmental biology · 2024Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Studies across a diverse group of metazoan embryos indicate that Wnt signaling often activates the transcription factor Sp5, forming a signaling 'cassette' that plays critical roles in many developmental processes. This study explores the role of Wnt/Sp5 signaling during the specification and patterning of the primary germ layers during early anterior-posterior axis formation in the deuterostome sea urchin embryo. Our functional analyses show that Sp5 is critical for endomesoderm specification downstream of Wnt/β-catenin in posterior cells as well as anterior neuroectoderm patterning downstream of non-canonical Wnt/JNK signaling in anterior cells. Interestingly, expression and functional data comparisons show that Wnt/Sp5 signaling often plays similar roles in posterior endomesoderm as well as neuroectoderm patterning along the AP axis of several deuterostome embryos, including vertebrates. Thus, our findings provide strong support for the idea that Wnt-Sp5 signaling cassettes were critical for the establishment of early germ layers in the common deuterostome ancestor.
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Registered trials
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