ArticleNature communications2015
Dilp8 requires the neuronal relaxin receptor Lgr3 to couple growth to developmental timing.
Article in Nature communications, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 93 papers.
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93 citing papers in PubMed.
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- Receptor deorphanization in starfish reveals the evolution of relaxin signaling as a regulator of reproduction.BMC biology · 2025Article
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- Local ecdysone synthesis in a wounded epithelium sustains developmental delay and promotes regeneration inbioRxiv : the preprint server for biology · 2024Article
33 more citing papers are in PubMed but not listed here.
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12 authors.
Funding
Abstract
How different organs in the body sense growth perturbations in distant tissues to coordinate their size during development is poorly understood. Here we mutate an invertebrate orphan relaxin receptor gene, the Drosophila Leucine-rich repeat-containing G protein-coupled receptor 3 (Lgr3), and find body asymmetries similar to those found in insulin-like peptide 8 (dilp8) mutants, which fail to coordinate growth with developmental timing. Indeed, mutation or RNA intereference (RNAi) against Lgr3 suppresses the delay in pupariation induced by imaginal disc growth perturbation or ectopic Dilp8 expression. By tagging endogenous Lgr3 and performing cell type-specific RNAi, we map this Lgr3 activity to a new subset of CNS neurons, four of which are a pair of bilateral pars intercerebralis Lgr3-positive (PIL) neurons that respond specifically to ectopic Dilp8 by increasing cAMP-dependent signalling. Our work sheds new light on the function and evolution of relaxin receptors and reveals a novel neuroendocrine circuit responsive to growth aberrations.
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