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Genetic Structure Of The Florida Key Tree Cactus, Pilosocereus Robinii, Using Restriction Site Associated Dna (Rad) Markers, Tonya D. Fotinos
Genetic Structure Of The Florida Key Tree Cactus, Pilosocereus Robinii, Using Restriction Site Associated Dna (Rad) Markers, Tonya D. Fotinos
FIU Electronic Theses and Dissertations
Rare plant conservation efforts must utilize current genetic methods to ensure the evolutionary potential of populations is preserved. One such effort involves the Key Tree Cactus, Pilosocereus robinii, which is an endangered columnar cactus native to the Florida Keys. The populations have precipitously declined over the past decade because of habitat loss and increasing soil salinity from rising sea levels and storm surge. Next-generation DNA sequencing was used to assess the genetic structure of the populations. Twenty individuals representative of both wild and extirpated cacti were chosen for Restriction Site Associated DNA (RAD) analysis. Samples processed using the HindIII …