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Svensson O, Smith A, García-Alonso J, et al. Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid. R Soc Open Sci. 2016;3(3):150684doi: 10.1098/rsos.150684.
Svensson, O., Smith, A., García-Alonso, J., & van Oosterhout, C. (2016). Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid. Royal Society open science, 3(3), 150684. https://doi.org/10.1098/rsos.150684
Svensson, Ola, et al. "Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid." Royal Society open science vol. 3,3 (2016): 150684. doi: https://doi.org/10.1098/rsos.150684
Svensson O, Smith A, García-Alonso J, van Oosterhout C. Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid. R Soc Open Sci. 2016 Mar 23;3(3):150684. doi: 10.1098/rsos.150684. eCollection 2016 Mar. PMID: 27069660; PMCID: PMC4821271.
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R Soc Open Sci. 2016 Mar 23;3(3):150684. doi: 10.1098/rsos.150684. eCollection 2016 Mar.

Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid.

Royal Society open science

Ola Svensson, Alan Smith, Javier García-Alonso, Cock van Oosterhout

Affiliations

  1. School of Biological, Biomedical and Environmental Sciences, University of Hull, Hull, UK; Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, Gothenburg 405 30, Sweden.
  2. School of Biological, Biomedical and Environmental Sciences , University of Hull , Hull , UK.
  3. School of Biological, Biomedical and Environmental Sciences, University of Hull, Hull, UK; Biodiversity Group, Centro Universitario Regional Este, Universidad de la República, Maldonado 20000, Uruguay.
  4. School of Environmental Sciences , University of East Anglia , Norwich Research Park, Norwich , UK.

PMID: 27069660 PMCID: PMC4821271 DOI: 10.1098/rsos.150684

Abstract

Compared with other phylogenetic groups, self-fertilization (selfing) is exceedingly rare in vertebrates and is known to occur only in one small clade of fishes. Here we report observing one F1-hybrid individual that developed into a functional hermaphrodite after crossing two closely-related sexually reproducing species of cichlids. Microsatellite alleles segregated consistent with selfing and Mendelian inheritance and we could rule out different modes of parthenogenesis including automixis. We discuss why selfing is not more commonly observed in vertebrates in nature, and the role of hybridization in the evolution of novel traits.

Keywords: Pundamilia pundamilia×Neochromis omnicaeruleus; colour polymorphism; disorders of sex development; self-fertilization; selfing; transgressive segregation

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