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Digest: Phenotypic plasticity and the genomic signature of novel castes: insights from soldier evolution in Cephalotes.

Evolution; international journal of organic evolution - 3 Mar 2026

Laino Laura, Neundorf Ana Carolina Alves, Feitosa Rodrigo Machado, Salles Matheus Maciel Alcantara

Abstract excerpt

Phenotypic plasticity can alter evolutionary dynamics, but its genomic consequences remain contested. Barkdull & Moreau (2026) combine comparative genomics and developmental transcriptomics in Cephalotes turtle ants to show that the repeated evolution of a soldier morph produces an asymmetric genomic signature: protein-coding genes experience genome-wide relaxed selection and reduced positive selection, whereas...

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PMID: 41604204
DOI: 10.1093/evolut/qpag012

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.

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