ArticleCommunications biology2024
Convergent gene losses and pseudogenizations in multiple lineages of stomachless fishes.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- The genetic foundations of convergent traits.Nature reviews. Genetics · 2026Review
- Gastrointestinal microbiota of sympatric pipefish (Syngnathus typhle) and stickleback (Gasterosteus aculeatus) indicate trade-off associated with evolutionary stomach loss.BMC ecology and evolution · 2026Article
- Molecular evolution of aspartic protease gene family in vertebrates.Scientific reports · 2026Article
- Lack of gastric acidification reduces postprandial energy expenditure and protein digestion but not growth in Astyanax mexicanus.The Journal of experimental biology · 2026Article
- The molecular evolution of vertebrate organs.Nature ecology & evolution · 2026Review
- Chromosomal rearrangements and segmental deletions contribute to gene loss in squamates.BMC biology · 2026Article
- Alimentary Tract Anatomy and Morphology in Early Adult Mediterranean KillifishAnimals : an open access journal from MDPI · 2026Article
- Evolution of the Jawed Vertebrate (Gnathostomata) Stomach Through Gene Repertoire Loss: Findings from Agastric Species.Journal of developmental biology · 2025Article
- Molecular identification of somatostatin family in tilapia and the effect of food intake on pss2 and sstr3a.Scientific reports · 2025Article
- Long-read sequencing reveals novel transcript diversity inAnimal cells and systems · 2025Article
- slc26a12-A novel member of the slc26 family, is located in tandem with slc26a2 in coelacanths, amphibians, reptiles, and birds.Physiological reports · 2024Article
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Authors and funding
13 authors at 5 institutions in 2 countries.
Funding
Abstract
The regressive evolution of independent lineages often results in convergent phenotypes. Several teleost groups display secondary loss of the stomach, and four gastric genes, atp4a, atp4b, pgc, and pga2 have been co-deleted in agastric (stomachless) fish. Analyses of genotypic convergence among agastric fishes showed that four genes, slc26a9, kcne2, cldn18a, and vsig1, were co-deleted or pseudogenized in most agastric fishes of the four major groups. kcne2 and vsig1 were also deleted or pseudogenized in the agastric monotreme echidna and platypus, respectively. In the stomachs of sticklebacks, these genes are expressed in gastric gland cells or surface epithelial cells. An ohnolog of cldn18 was retained in some agastric teleosts but exhibited an increased non-synonymous substitution when compared with gastric species. These results revealed novel convergent gene losses at multiple loci among the four major groups of agastric fish, as well as a single gene loss in the echidna and platypus.
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