ArticleScientific reports2017
Adaptation and evolution of deep-sea scale worms (Annelida: Polynoidae): insights from transcriptome comparison with a shallow-water species.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 55 citations in OpenAlex.
- DOO: integrated multi-omics resources for deep ocean organisms.Nucleic acids research · 2026Article
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- Genomic Analysis of a Scale Worm Provides Insights into Its Adaptation to Deep-Sea Hydrothermal Vents.Genome biology and evolution · 2023Article
- Adaptation and evolution of the sea anemoneEcology and evolution · 2022Article
- Effects of scale worm parasitism on interactions between the symbiotic gill microbiome and gene regulation in deep sea mussel hosts.Frontiers in microbiology · 2022Article
- Muscular adaptations in swimming scale worms (Polynoidae, Annelida).Royal Society open science · 2021Article
- Characterization of the complete mitochondrial genome of the scale worm,Mitochondrial DNA. Part B, Resources · 2021Article
- Convergent Evolution and Structural Adaptation to the Deep Ocean in the Protein-Folding Chaperonin CCTα.Genome biology and evolution · 2020Article
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- Insights into high-pressure acclimation: comparative transcriptome analysis of sea cucumber Apostichopus japonicus at different hydrostatic pressure exposures.BMC genomics · 2020Article
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- Comparative transcriptome analysis of Eogammarus possjeticus at different hydrostatic pressure and temperature exposures.Scientific reports · 2019Article
- WEGO 2.0: a web tool for analyzing and plotting GO annotations, 2018 update.Nucleic acids research · 2018Article
- First comprehensive analysis of lysine acetylation in Alvinocaris longirostris from the deep-sea hydrothermal vents.BMC genomics · 2018Article
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- Evolution of Single-Domain Globins in Hydrothermal Vent Scale-Worms.Journal of molecular evolution · 2017Article
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Authors and funding
9 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polynoid scale worms (Polynoidae, Annelida) invaded deep-sea chemosynthesis-based ecosystems approximately 60 million years ago, but little is known about their genetic adaptation to the extreme deep-sea environment. In this study, we reported the first two transcriptomes of deep-sea polynoids (Branchipolynoe pettiboneae, Lepidonotopodium sp.) and compared them with the transcriptome of a shallow-water polynoid (Harmothoe imbricata). We determined codon and amino acid usage, positive selected genes, highly expressed genes and putative duplicated genes. Transcriptome assembly produced 98,806 to 225,709 contigs in the three species. There were more positively charged amino acids (i.e., histidine and arginine) and less negatively charged amino acids (i.e., aspartic acid and glutamic acid) in the deep-sea species. There were 120 genes showing clear evidence of positive selection. Among the 10% most highly expressed genes, there were more hemoglobin genes with high expression levels in both deep-sea species. The duplicated genes related to DNA recombination and metabolism, and gene expression were only enriched in deep-sea species. Deep-sea scale worms adopted two strategies of adaptation to hypoxia in the chemosynthesis-based habitats (i.e., rapid evolution of tetra-domain hemoglobin in Branchipolynoe or high expression of single-domain hemoglobin in Lepidonotopodium sp.).
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