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Göteborgs universitets publikationer

Hybridization generates a hopeful monster: a hermaphroditic selfing cichlid

Författare och institution:
Ola Svensson (Institutionen för biologi och miljövetenskap); A. Smith (-); J. Garcia-Alonso (-); C. van Oosterhout (-)
Publicerad i:
Royal Society Open Science, 3 ( 3 ) s. artikel nr 150684
ISSN:
2054-5703
Publikationstyp:
Artikel, refereegranskad vetenskaplig
Publiceringsår:
2016
Språk:
engelska
Fulltextlänk:
Fulltextlänk (lokalt arkiv):
Sammanfattning (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 F-1-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.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
NATURVETENSKAP ->
Biologiska vetenskaper ->
Zoologi
Nyckelord:
colour polymorphism, disorders of sex development, Pundamilia pundamilia x Neochromis omnicaeruleus, self-fertilization, selfing, transgressive segregation, facultative parthenogenesis, kryptolebias-marmoratus, sex-differentiation, fish, evolution, animals, hybrids, fertilization, selection, color, licansky d, 1982, annual review of ecology and systematics, v13, p471, LDER J J W, 1971, Netherlands Journal of Zoology, V21, P265
Postens nummer:
240124
Posten skapad:
2016-08-10 15:41
Posten ändrad:
2016-09-28 14:32

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