ArticleJournal of advanced research2024
An ancient whole-genome duplication in barnacles contributes to their diversification and intertidal sessile life adaptation.
Article in Journal of advanced research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Evolutionary dynamics of the arthropod molting machinery.Molecular biology and evolution · 2026Review
- Comparative Proteomics Reveals Conserved and Lineage-Specific Molecular Toolkits in Lophotrochozoan Biomineralization.Genome biology and evolution · 2026Article
- A reference genome assembly for the pink volcano barnacle, Tetraclita rubescens, Nilsson-Cantell, 1931.The Journal of heredity · 2026Article
- The genome of a sea spider corroborates a shared Hox cluster motif in arthropods with a reduced posterior tagma.BMC biology · 2025Article
- Whole Genome Duplication in the Genomics Era: The Hidden Gems in Invertebrates?Genome biology and evolution · 2025Review
- Transcriptome reveal gene regulation mechanisms of the barnacle Chthamalus challengeri for microhabitat adaption in the intertidal zone.BMC genomics · 2025Article
- Genetic Structure of the Rocky Intertidal Stalked BarnacleIntegrative organismal biology (Oxford, England) · 2025Article
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12 authors.
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Abstract
introductionWhole-genome duplication (WGD) is one of the most sudden and dramatic events rarely reported in invertebrates, but its occurrence can lead to physiological, morphological, and behavioral diversification. WGD has also never been reported in barnacles, which is one of the most unique groups of crustaceans with extremely speciallized morphology (calcareous shells) and habits (intertidal sessile lifestyle).
objectivesTo investigate whether WGD has occurred in barnacles and examine its potential role in driving the adaptive evolution and diversification of barnacles.
methodsBased on a newly sequenced and assembled chromosome-level barnacle genome, a novel WGD event has been identified in barnacles through a comprehensive analysis of interchromosomal synteny, the Hox gene cluster, and synonymous substitution distribution.
resultsWe provide ample evidences for WGD in the barnacle genomes. Comparative genomic analysis indicates that this WGD event predates the divergence of Thoracicalcarea, occurring more than 247 million years ago. The retained ohnologs from the WGD are primarily enriched in various pathways related to environmental information processing, shedding light on the adaptive evolution and diversification of intertidal sessile lifestyle. In addition, transcriptomic analyses show that most of these ohnologs were differentially expressed following the ebb of tide. And the cytochrome P450 ohnologs with differential expression patterns are subject to subfunctionalization and/or neofunctionalization for intertidal adaptation. Besides WGD, parallel evolution underlying intertidal adaptation has also occurred in barnacles.
conclusionThis study revealed an ancient WGD event in the barnacle genomes, which is potentially associated with the origin and diversification of thoracican barnacles, and may have contributed to the adaptive evolution of their intertidal sessile lifestyle.
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