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Article

The role of doublesex in the evolution of exaggerated horns in the Japanese rhinoceros beetle.

EMBO reports - 1 Jun 2013

Ito Yuta, Harigai Ayane, Nakata Moe, Hosoya Tadatsugu, Araya Kunio, Oba Yuichi, Ito Akinori, Ohde Takahiro, Yaginuma Toshinobu, Niimi Teruyuki

Abstract excerpt

Male-specific exaggerated horns are an evolutionary novelty and have diverged rapidly via intrasexual selection. Here, we investigated the function of the conserved sex-determination gene doublesex (dsx) in the Japanese rhinoceros beetle (Trypoxylus dichotomus) using RNA interference (RNAi). Our results show that the sex-specific T. dichotomus dsx isoforms have an antagonistic function for head horn formation and...

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PMID: 23609854
DOI: 10.1038/embor.2013.50
PMCID: PMC3674438

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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