ArticleCurrent biology : CB2024
An actomyosin network organizes niche morphology and responds to feedback from recruited stem cells.
Article in Current biology : CB, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Signaling pathways in Drosophila testis niche: Local signals that regulate stem cell fate.Insect science · 2026Review
- Harnessing the Power ofCold Spring Harbor perspectives in biology · 2026Review
- The Tbx1 ortholog org-1 is required to establish testis stem cell niche identity in Drosophila.Development (Cambridge, England) · 2026Article
- TheeLife · 2025Article
- Maintenance of niche architecture requires actomyosin and enables proper stem cell signaling and oriented division in the Drosophila testis.Development (Cambridge, England) · 2025Article
- Generation ofmicroPublication biology · 2025Article
- ThebioRxiv : the preprint server for biology · 2024Article
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5 authors.
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Abstract
Stem cells often rely on signals from a niche, which in many tissues adopts a precise morphology. What remains elusive is how niches are formed and how morphology impacts function. To address this, we leverage the Drosophila gonadal niche, which affords genetic tractability and live-imaging. We have previously shown mechanisms dictating niche cell migration to their appropriate position within the gonad and the resultant consequences on niche function. Here, we show that once positioned, niche cells robustly polarize filamentous actin (F-actin) and non-muscle myosin II (MyoII) toward neighboring germ cells. Actomyosin tension along the niche periphery generates a highly reproducible smoothened contour. Without contractility, niches are misshapen and exhibit defects in their ability to regulate germline stem cell behavior. We additionally show that germ cells aid in polarizing MyoII within niche cells and that extrinsic input is required for niche morphogenesis and function. Our work reveals a feedback mechanism where stem cells shape the niche that guides their behavior.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.