ArticleMolecular phylogenetics and evolution2013
Integrative species delimitation in photosynthetic sea slugs reveals twenty candidate species in three nominal taxa studied for drug discovery, plastid symbiosis or biological control.
Article in Molecular phylogenetics and evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 88 citations in OpenAlex.
- A cryptic radiation of Caribbean sea slugs revealed by integrative analysis:Zoological journal of the Linnean Society · 2024Article
- Optical Properties of Body Mucus Secreted from Coral Reef Sea Slugs: Measurement of Refractive Indices and Relative Absorption Spectra.Zoological studies · 2024Article
- Insights into cryptic speciation of quillworts in China.Plant diversity · 2023Article
- Taxonomic review ofZooKeys · 2023Article
- Lineage and role in integrative taxonomy of a heterotrophic orchid complex.Molecular ecology · 2022Article
- Recent advances and limitations in the application of kahalalides for the control of cancer.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022Review
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- Animal biosynthesis of complex polyketides in a photosynthetic partnership.Nature communications · 2020Article
- Seasonality and Longevity of the Functional Chloroplasts Retained by the Sacoglossan Sea SlugZoological studies · 2020Article
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- Selective consumption of sacoglossan sea slugs (Mollusca: Gastropoda) by scleractinian corals (Cnidaria: Anthozoa).PloS one · 2019Article
- A biting commentary: Integrating tooth characters with molecular data doubles known species diversity in a lineage of sea slugs that consume "killer algae".Molecular phylogenetics and evolution · 2018Article
- Molecular and morphological systematics ofZoological journal of the Linnean Society · 2018Article
- Complete mitochondrial genome sequences and phylogenetic relationship ofMitochondrial DNA. Part B, Resources · 2016Article
- Population Dynamics of the Sea SlugZoological studies · 2016Article
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- Species Selection Favors Dispersive Life Histories in Sea Slugs, but Higher Per-Offspring Investment Drives Shifts to Short-Lived Larvae.Systematic biology · 2015Article
- How to describe a cryptic species? Practical challenges of molecular taxonomy.Frontiers in zoology · 2013Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
Abstract
DNA barcoding can highlight taxa in which conventional taxonomy underestimates species richness, identifying mitochondrial lineages that may correspond to unrecognized species. However, key assumptions of barcoding remain untested for many groups of soft-bodied marine invertebrates with poorly resolved taxonomy. Here, we applied an integrative approach for species delimitation to herbivorous sea slugs in clade Sacoglossa, in which unrecognized diversity may complicate studies of drug discovery, plastid endosymbiosis, and biological control. Using the mitochondrial barcoding COI gene and the nuclear histone 3 gene, we tested the hypothesis that three widely distributed "species" each comprised a complex of independently evolving lineages. Morphological and reproductive characters were then used to evaluate whether each lineage was distinguishable as a candidate species. The "circumtropical" Elysia ornata comprised a Caribbean species and four Indo-Pacific candidate species that are potential sources of kahalalides, anti-cancer compounds. The "monotypic" and highly photosynthetic Plakobranchus ocellatus, used for over 60 years to study chloroplast symbiosis, comprised 10 candidate species. Finally, six candidate species were distinguished in the Elysia tomentosa complex, including potential biological control agents for invasive green algae (Caulerpa spp.). We show that a candidate species approach developed for vertebrates effectively categorizes cryptic diversity in marine invertebrates, and that integrating threshold COI distances with non-molecular character data can delimit species even when common assumptions of DNA barcoding are violated.
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