A bisexually reproducing all-triploid vertebrate.

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Serval ID
serval:BIB_A1D75FD697F6
Type
Article: article from journal or magazin.
Collection
Publications
Title
A bisexually reproducing all-triploid vertebrate.
Journal
Nature Genetics
Author(s)
Stöck M., Lamatsch D.K., Steinlein C., Epplen J.T., Grosse W.R., Hock R., Klapperstück T., Lampert K.P., Scheer U., Schmid M., Schartl M.
ISSN
1061-4036
Publication state
Published
Issued date
2002
Peer-reviewed
Oui
Volume
30
Number
3
Pages
325-328
Language
english
Abstract
Green toads are common in the Palaearctic region, where they have differentiated into several taxa. The toads exist with variable amounts of ploidy, similar to other anuran species or reptiles. In vertebrate biology, the very rare occurrence of triploidy is coupled with infertility or unisexuality, or requires the coexistence of individuals of different ploidy in a reproductive community. The reproduction of naturally occurring triploids has been reported to occur only through parthenogenesis, gynogenesis or hybridogenesis. The bisexual reproduction of pure triploids has been considered to be impossible because of the problem of equally distributing three chromosome sets in meiosis. Here we report geographically isolated populations of green toads (Bufo viridis complex) that are all-triploid and reproduce bisexually.
Keywords
Animals, Bufonidae/classification, Bufonidae/physiology, Karyotyping, Nucleolus Organizer Region, Ploidies, Reproduction
Pubmed
Web of science
Create date
19/11/2007 10:43
Last modification date
20/08/2019 15:07
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