Secreted frizzled related protein is a target of PaxB and plays a role in aquiferous system development in the freshwater sponge, Ephydatia muelleri
Canonical and non-canonical Wnt signaling, as well as the Pax/Six gene network, are involved in patterning the freshwater sponge aquiferous system. Using computational approaches to identify transcription factor binding motifs in a freshwater sponge genome, we located putative PaxB binding sites near a Secreted Frizzled Related Protein (SFRP) gene in Ephydatia muelleri. EmSFRP is expressed throughout development, but with highest levels in juvenile sponges. In situ hybridization and antibody staining show EmSFRP expression throughout the pinacoderm and choanoderm in a subpopulation of amoeboid cells that may be differentiating archeocytes. Knockdown of EmSFRP leads to ectopic oscula formation during development, suggesting that EmSFRP acts as an antagonist of Wnt signaling in E. muelleri. Our findings support a hypothesis that regulation of the Wnt pathway by the Pax/Six network as well as the role of Wnt signaling in body plan morphogenesis was established before sponges diverged from the rest of the metazoans.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:14 |
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| Enthalten in: |
PloS one - 14(2019), 2 vom: 22., Seite e0212005 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hall, Chelsea [VerfasserIn] |
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| Links: |
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| Themen: |
Intracellular Signaling Peptides and Proteins |
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| Anmerkungen: |
Date Completed 08.11.2019 Date Revised 06.10.2023 published: Electronic-eCollection Citation Status MEDLINE |
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| doi: |
10.1371/journal.pone.0212005 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM294195181 |
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| 520 | |a Canonical and non-canonical Wnt signaling, as well as the Pax/Six gene network, are involved in patterning the freshwater sponge aquiferous system. Using computational approaches to identify transcription factor binding motifs in a freshwater sponge genome, we located putative PaxB binding sites near a Secreted Frizzled Related Protein (SFRP) gene in Ephydatia muelleri. EmSFRP is expressed throughout development, but with highest levels in juvenile sponges. In situ hybridization and antibody staining show EmSFRP expression throughout the pinacoderm and choanoderm in a subpopulation of amoeboid cells that may be differentiating archeocytes. Knockdown of EmSFRP leads to ectopic oscula formation during development, suggesting that EmSFRP acts as an antagonist of Wnt signaling in E. muelleri. Our findings support a hypothesis that regulation of the Wnt pathway by the Pax/Six network as well as the role of Wnt signaling in body plan morphogenesis was established before sponges diverged from the rest of the metazoans | ||
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| 700 | 1 | |a Garcia, Josephine |e verfasserin |4 aut | |
| 700 | 1 | |a Posfai, Dora |e verfasserin |4 aut | |
| 700 | 1 | |a DuMez, Rachel |e verfasserin |4 aut | |
| 700 | 1 | |a Wictor, Erik |e verfasserin |4 aut | |
| 700 | 1 | |a Quintero, Omar A |e verfasserin |4 aut | |
| 700 | 1 | |a Hill, Malcolm S |e verfasserin |4 aut | |
| 700 | 1 | |a Rivera, Ajna S |e verfasserin |4 aut | |
| 700 | 1 | |a Hill, April L |e verfasserin |4 aut | |
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