Transferability and characterization of microsatellite markers in five Bromeliaceae species belonging to the subfamilies Pitcairnioideae and Bromelioideae
Microsatellite markers previously developed for Pitcairnia albiflos Herb. and Pitcairnia geysksii L.B.Sm. were used in cross-amplification tests of five other Bromeliaceae species. Ten (76.9%) out of the 13 evaluated pair of primers had positive results for some of the species tested. The number of...
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Veröffentlicht in: | Biota Neotropica 2012-09, Vol.12 (3), p.319-323 |
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Zusammenfassung: | Microsatellite markers previously developed for Pitcairnia albiflos Herb. and Pitcairnia geysksii L.B.Sm. were used in cross-amplification tests of five other Bromeliaceae species. Ten (76.9%) out of the 13 evaluated pair of primers had positive results for some of the species tested. The number of polymorphic alleles ranged between two and four in most species. Ho values ranged between zero, in Pitcairnia flammea Lindl. (PaA05), Aechmea ramosa Mart ex Schult & Schult and Billbergia horrida Regel (PaC05), and one in Billbergia euphemiae E. Morren (PaA05, PaA10, PaC05 and PaD07). This study showed that microsatellite markers developed for P. albiflos and P. geysksii effectively amplified the DNA samples of Pitcairnia flammea, Aechmea nudicaulis (L.) Griseb., Aechmea ramosa, Billbergia horrida and Billbergia euphemiae, validating the transferability of these markers to species of the Pitcairnioideae and Bromelioideae subfamilies.
Marcadores microssatélites originalmente desenvolvidos para Pitcairnia albiflos Herb. e Pitcairnia geysksii L.B.Sm. foram testados para amplificação heteróloga do genoma de cinco outras espécies de Bromeliacea. Dos treze pares de primers avaliados, dez (76,9%) geraram resultados positivos para algumas das espécies em estudo. O número de alelos polimórficos por loco variou entre dois e quatro para a maioria das espécies. Os valores de Ho variaram entre zero em Pitcairnia flammea Lindl. (PaA05), Aechmea ramosa Mart ex Schult & Schult e Billbergia horrida Regel (PaC05) e um para Billbergia euphemiae E. Morren (PaA05, PaA10, PaC05 e PaD07). Este estudo demonstrou que marcadores microssatélites desenvolvidos para P. albiflos e P. geysksii mostraram-se eficientes para amplificação heteróloga de amostras de DNA de Pitcairnia flammea, Aechmea nudicaulis (L.) Griseb., Aechmea ramosa, Billbergia horrida e Billbergia euphemiae, validando a transferibilidade destes marcadores para espécies das subfamílias Pitcairnioideae e Bromelioideae. |
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ISSN: | 1676-0603 1676-0611 1676-0603 1676-0611 |
DOI: | 10.1590/S1676-06032012000300032 |