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Article

Evolution of an adaptive, inducible defensive trait in a model crustacean.

Genome research - 3 Aug 2026

Deng Zhixiong, Xu Sen, Li Dengqing, Yu Guo, Neupane Swatantra, Wang Li, Blair David, Hu Wei, Petrusek Adam, Yin Mingbo

Abstract excerpt

Plastic phenotypes are important biological adaptations, yet their evolution and genomic basis remains insufficiently unexplored. This study examines the origin of an inducible defensive structure, the helmet, that emerged during evolution of a novel morphotype in the freshwater microcrustacean Daphnia sinensis This specific morphotype exhibits a consitutively expressed pointed head shape as a juvenile and forms...

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Identifiers

PMID: 42248690
DOI: 10.1101/gr.281631.125

Genes

ISM1
TM2D2

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