Genetic variability assessment in the genus Passiflora by SSR markers
2014
Paiva, Claudia Lougon(Universidade Estadual do Norte Fluminense Darcy Ribeiro Laboratório de Melhoramento Genético) | Viana, Alexandre Pio(Universidade Estadual do Norte Fluminense Darcy Ribeiro Laboratório de Melhoramento Genético) | Santos, Eileen Azevedo(Universidade Estadual do Norte Fluminense Darcy Ribeiro Laboratório de Melhoramento Genético) | Freitas, Jósie Cloviane de Oliveira(Universidade Estadual do Norte Fluminense Darcy Ribeiro Laboratório de Melhoramento Genético) | Silva, Raimundo Nonato Oliveira(Universidade Estadual do Norte Fluminense Darcy Ribeiro Laboratório de Melhoramento Genético) | Oliveira, Eder Jorge de(Embrapa Mandioca e Fruticultura)
The genus Passiflora encompasses many species that are endemic to the Brazilian territory, including some with economic value. Studies on genetic diversity in this genus are fundamental because they allow understanding genetic variability and distance. The present study aimed to determine the genetic variability and distances among 10 species of the genus Passiflora by using microsatellite markers (Simple Sequence Repeat, SSR). Twenty-eight heterologous microsatellite markers were tested, but only 12 were used in the diversity analysis because they amplified in at least 80% of the species. A clear separation was observed among the subgenuses studied, as well as wide variation among the accessions of Passiflora. This knowledge enables breeders to explore diversity and transfer favorable alleles found in wild species.
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