ArticleNature communications2025
Temporal transcriptional regulation of mitochondrial morphology primes activity-dependent circuit connectivity.
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 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Mitochondrial CaNature metabolism · 2026Article
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15 authors.
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Abstract
Synaptic connectivity during development is known to require rapid local regulation of axonal organelles. Whether this fundamental and conserved aspect of neuronal cell biology is orchestrated by a dedicated developmental program is unknown. We hypothesized that developmental transcription factors regulate critical parameters of organelle structure and function which contribute to circuit wiring. We combined cell type-specific transcriptomics with a genetic screen to discover such factors. We identified Drosophila CG7101, which we rename mitochondrial integrity regulator of neuronal architecture (Mirana), as a temporal developmental regulator of neuronal mitochondrial quality control genes, including Pink1. Remarkably, a brief developmental downregulation of either Mirana or Pink1 suffices to cause long-lasting changes in mitochondrial morphology and abrogates neuronal connectivity which can be rescued by Pink1 expression. We show that Mirana has functional homology to the mammalian transcription factor TZAP whose loss leads to changes in mitochondrial function and reduced neurotransmitter release in hippocampal neurons. Our findings establish temporal developmental transcriptional regulation of mitochondrial morphology as a prerequisite for the priming and maintenance of activity-dependent synaptic connectivity.
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