Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid

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 sexual...

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Main Authors: Ola Svensson, Alan Smith, Javier García-Alonso, Cock van Oosterhout
Format: Article
Language:English
Published: The Royal Society 2016-01-01
Series:Royal Society Open Science
Subjects:
Online Access:https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.150684
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author Ola Svensson
Alan Smith
Javier García-Alonso
Cock van Oosterhout
author_facet Ola Svensson
Alan Smith
Javier García-Alonso
Cock van Oosterhout
author_sort Ola Svensson
collection DOAJ
description 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.
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spelling doaj.art-25030164e7034db8a621c1fc38ef32ec2022-12-22T02:44:15ZengThe Royal SocietyRoyal Society Open Science2054-57032016-01-013310.1098/rsos.150684150684Hybridization generates a hopeful monster: a hermaphroditic selfing cichlidOla SvenssonAlan SmithJavier García-AlonsoCock van OosterhoutCompared 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.https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.150684colour polymorphismdisorders of sex developmentpundamilia pundamilia×neochromis omnicaeruleusself-fertilizationselfingtransgressive segregation
spellingShingle Ola Svensson
Alan Smith
Javier García-Alonso
Cock van Oosterhout
Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid
Royal Society Open Science
colour polymorphism
disorders of sex development
pundamilia pundamilia×neochromis omnicaeruleus
self-fertilization
selfing
transgressive segregation
title Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid
title_full Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid
title_fullStr Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid
title_full_unstemmed Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid
title_short Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid
title_sort hybridization generates a hopeful monster a hermaphroditic selfing cichlid
topic colour polymorphism
disorders of sex development
pundamilia pundamilia×neochromis omnicaeruleus
self-fertilization
selfing
transgressive segregation
url https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.150684
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