ArticleNature communications2025
The slit diaphragm in Drosophila exhibits a bilayered, fishnet architecture.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Towards an integrative structural model of the fishnet slit diaphragm: Understanding its physiology through proteomics and structural insight.Pflugers Archiv : European journal of physiology · 2026Review
- The native human glomerulus features a slit diaphragm resembling a densely interwoven fishnet.JCI insight · 2026Article
- The slit diaphragm has a conserved fishnet architecture.Nature reviews. Nephrology · 2025Article
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Authors and funding
8 authors.
Funding
Abstract
The kidney relies on the glomerulus to filter large volumes of blood plasma, with the slit diaphragm (SD) as a key structural component of the glomerular filtration barrier. Despite its central role, the molecular architecture of the SD has remained elusive for decades. Using cryo-electron tomography on focused ion beam-milled Drosophila nephrocytes, an invertebrate podocyte model, we show that the SD exhibits a bilayered fishnet architecture. In the cryo-electron tomography map, we observe criss-crossing strands spanning the extracellular space that can be populated with Sns and Kirre, the Drosophila orthologs of nephrin and Neph1, respectively. We show that sns silencing shortens the SD lines until disappearance, linking the fishnet architecture directly to Sns. After Rab5 silencing, which causes Sns mistrafficking and ectopic formation of the SD, the fishnet pattern also appears ectopically. Elucidating the molecular SD architecture establishes a crucial link between the SD organization and its (patho)physiology.
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