ArticleDevelopmental biology2022
Toll-Dorsal signaling regulates the spatiotemporal dynamics of yolk granule tubulation during Drosophila cleavage.
Article in Developmental biology, 2022. 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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1 citing paper in PubMed, 1 citations in OpenAlex.
- Egg multivesicular bodies elicit an LC3-associated phagocytosis-like pathway to degrade paternal mitochondria after fertilization.Nature communications · 2024Article
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4 authors at 1 institution in 1 country.
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Abstract
The Toll-Dorsal signaling pathway controls dorsal-ventral (DV) patterning in early Drosophila embryos, which defines specific cell fates along the DV axis and controls morphogenetic behavior of cells during gastrulation and beyond. The extent by which DV patterning information regulates subcellular organization in pre-gastrulation embryos remains unclear. We find that during Drosophila cleavage, the late endosome marker Rab7 is increasingly recruited to the yolk granules and promotes the formation of dynamic membrane tubules. The biogenesis of yolk granule tubules is positively regulated by active Rab7 and its effector complex HOPS, but negatively regulated by the Rab7 effector retromer. The occurrence of tubules is strongly biased towards the ventral side of the embryo, which we show is controlled by the Toll-Dorsal signaling pathway. Our work provides the first evidence for the formation and regulation of yolk granule tubulation in oviparous embryos and elucidates an unexpected role of Toll-Dorsal signaling in regulating this process.
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