ArticleDevelopment (Cambridge, England)2023
The bHLH-PAS transcriptional complex Sim:Tgo plays active roles in late oogenesis to promote follicle maturation and ovulation.
Article in Development (Cambridge, England), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Identification of an unannotated early embryonicmicroPublication biology · 2026Article
- NADPH oxidases: redox regulation of cell homeostasis and disease.Physiological reviews · 2025Review
- Actomyosin contraction in the follicular epithelium provides the major mechanical force for follicle rupture duringProceedings of the National Academy of Sciences of the United States of America · 2024Article
- ETS transcription factors regulate precise matrix metalloproteinase expression and follicle rupture in Drosophila.Development (Cambridge, England) · 2024Article
- Finishing the egg.Genetics · 2024Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Across species, ovulation is a process induced by a myriad of signaling cascades that ultimately leads to the release of encapsulated oocytes from follicles. Follicles first need to mature and gain ovulatory competency before ovulation; however, the signaling pathways regulating follicle maturation are incompletely understood in Drosophila and other species. Our previous work has shown that the bHLH-PAS transcription factor Single-minded (Sim) plays important roles in follicle maturation downstream of the nuclear receptor Ftz-f1 in Drosophila. Here, we demonstrate that Tango (Tgo), another bHLH-PAS protein, acts as a co-factor of Sim to promote follicle cell differentiation from stages 10 to 12. In addition, we discover that re-upregulation of Sim in stage-14 follicle cells is also essential to promote ovulatory competency by upregulating octopamine receptor in mushroom body (OAMB), matrix metalloproteinase 2 (Mmp2) and NADPH oxidase (NOX), either independently of or in conjunction with the zinc-finger protein Hindsight (Hnt). All these factors are crucial for successful ovulation. Together, our work indicates that the transcriptional complex Sim:Tgo plays multiple roles in late-stage follicle cells to promote follicle maturation and ovulation.
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Registered trials
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