P.a Helsen, P.a Verdyck, A.b Tye, K.c Desender, N.a Van Houtte, and S.a Van Dongen (2007)
Isolation and characterization of polymorphic microsatellite markers in Galapagos prickly pear (Opuntia) cactus species: Primer note
Molecular Ecology Notes, 7(3):454-456.
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. © 2006 The Authors.
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