ArticleGenome biology and evolution2011
Comparative analysis of chromosome counts infers three paleopolyploidies in the mollusca.
Article in Genome biology and evolution, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed.
- From neuropeptides to toxins: illuminating the origins of venom complexity in cone snails.Molecular biology and evolution · 2026Article
- Genome report: de novo genome assembly of the greater Bermuda land snail, Poecilozonites bermudensis (Mollusca: Gastropoda), confirms ancestral genome duplication.G3 (Bethesda, Md.) · 2026Article
- The hidden threat: genetic load dynamics in tetraploids and diploids.Evolution letters · 2025Article
- Evolution of Duplicated Hox Gene Clusters in Land Snails and Slugs.Journal of experimental zoology. Part B, Molecular and developmental evolution · 2025Article
- Genome Report:bioRxiv : the preprint server for biology · 2025Article
- Whole Genome Duplication in the Genomics Era: The Hidden Gems in Invertebrates?Genome biology and evolution · 2025Review
- Still waters run deep in large-scale genome rearrangements of morphologically conservative Polyplacophora.eLife · 2025Article
- Lineage-Specific Class-A GPCR Dynamics Reflect Diverse Chemosensory Adaptations in Lophotrochozoa.Molecular biology and evolution · 2025Article
- The genome of the simultaneously hermaphroditic snail Lymnaea stagnalis reveals an evolutionary expansion of FMRFamide-like receptors.Scientific reports · 2024Article
- Review
- Phylogenomics of Neogastropoda: The Backbone Hidden in the Bush.Systematic biology · 2024Article
- Genomic Insights into Mollusk Terrestrialization: Parallel and Convergent Gene Family Expansions as Key Facilitators in Out-of-the-Sea Transitions.Genome biology and evolution · 2023Article
- Scaphopoda is the sister taxon to Bivalvia: Evidence of ancient incomplete lineage sorting.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Whole Genome Duplication and Gene Evolution in the Hyperdiverse Venomous Gastropods.Molecular biology and evolution · 2023Article
- Using ChromEvol to Determine the Mode of Chromosomal Evolution.Methods in molecular biology (Clifton, N.J.) · 2023Article
- Chromosome-level genome of the venomous snail Kalloconus canariensis: a valuable model for venomics and comparative genomics.GigaScience · 2022Article
- Article
- Transposons and non-coding regions drive the intrafamily differences of genome size in insects.iScience · 2022Article
- Pulmonate slug evolution is reflected in the de novo genome of Arion vulgaris Moquin-Tandon, 1855.Scientific reports · 2022Article
- Genome and transcriptome mechanisms driving cephalopod evolution.Nature communications · 2022Article
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2 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The study of paleopolyploidies requires the comparison of multiple whole genome sequences. If the branches of a phylogeny on which a whole-genome duplication (WGD) occurred could be identified before genome sequencing, taxa could be selected that provided a better assessment of that genome duplication. Here, we describe a likelihood model in which the number of chromosomes in a genome evolves according to a Markov process with one rate of chromosome duplication and loss that is proportional to the number of chromosomes in the genome and another stochastic rate at which every chromosome in the genome could duplicate in a single event. We compare the maximum likelihoods of a model in which the genome duplication rate varies to one in which it is fixed at zero using the Akaike information criterion, to determine if a model with WGDs is a good fit for the data. Once it has been determined that the data does fit the WGD model, we infer the phylogenetic position of paleopolyploidies by calculating the posterior probability that a WGD occurred on each branch of the taxon tree. Here, we apply this model to a molluscan tree represented by 124 taxa and infer three putative WGD events. In the Gastropoda, we identify a single branch within the Hypsogastropoda and one of two branches at the base of the Stylommatophora. We also identify one or two branches near the base of the Cephalopoda.
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