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. 2026 Jul 13;17:1851308. doi: 10.3389/fphys.2026.1851308

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Copyright © 2026 Molina-Carrillo, Morini, Dufour, Galindo-Torres, Ramos-Rodriguez, Rosas, Caamal-Monsreal, Galindo-Sánchez, Schires, Bassaglia and Bonnaud-Ponticelli.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Phylogenetic tree diagram comparing TRPA gene subtypes αTRPA, βTRPA, and γTRPA in various species, including annotations for taxonomic groups such as Arthropoda, Annelida, Vertebrata, Bivalvia and Gastropoda, Octopodiformes, Decapodiformes, Nautilidae, and Nematoda. Key cephalopod gene names are bolded. — Detailed phylogeny of the TRPA channel family. The subtree recovered three principal TRPA groups, designated αTRPA, βTRPA, and γTRPA. Sepia officinalis and Octopus maya sequences are highlighted in bold. Support values are shown at the nodes.