Isolation and characterization of polymorphic microsatellite markers in Galapagos prickly pear (Opuntia) cactus species

The Opuntia (prickly pear) genus contains over 200 species. Six of them are endemic to the Galapagos archipelago. Although these cacti are 'keystone' species of the Galapagos' semi-arid ecosystem, they have never been studied in detail. Because of their current threatened status and t...

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Published inMolecular ecology notes Vol. 7; no. 3; pp. 454 - 456
Main Authors HELSEN, P, VERDYCK, P, TYE, A, DESENDER, K, VAN HOUTTE, N, VAN DONGEN, S
Format Journal Article
LanguageEnglish
Published Oxford, UK : Blackwell Publishing Ltd 01.05.2007
Subjects
Cactaceae
Galápagos
microsatellite repeats
Opuntia
polyploidy
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Summary:The Opuntia (prickly pear) genus contains over 200 species. Six of them are endemic to the Galapagos archipelago. Although these cacti are 'keystone' species of the Galapagos' semi-arid ecosystem, they have never been studied in detail. Because of their current threatened status and their important role in the ecosystem, we developed 16 microsatellite markers to study the population genetic structure of some of these species. These markers display a high level of polymorphism with numbers of alleles per locus ranging from six to 53. Results also revealed possible polyploidy in these cacti.
Bibliography:http://dx.doi.org/10.1111/j.1471-8286.2006.01615.x
ISSN:1471-8278
1471-8286
DOI:10.1111/j.1471-8286.2006.01615.x