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Phyton (Buenos Aires)
versión On-line ISSN 1851-5657
Resumen
GARCIA-ZAMBRANO, EA et al. Estimation of the genetic diversity of Opuntia spp. using molecular markers AFLP. Phyton (B. Aires) [online]. 2009, vol.78, n.2, pp.117-120. ISSN 1851-5657.
The objective of this study was to apply the AFLP-type molecular marker technique to estimate genetic diversity in cactus pear within the Germplasm Bank of FAUANL. Twelve accessions have been reported as possible duplicates through type RAPD- molecular markers in such Bank. DNA was extracted using the cellular ruptor technique, and then digested and bound. A preamplification and subsequent selective amplification were conducted. Amplified fragments were then separated and analyzed. It was concluded that none of the accessions was duplicated. This was because 8 groups were formed in the dendogram obtained after applying the UPGMA method. There were 3 accessions in each of two groups. The six remaining groups were formed by one accession each. These results were confirmed when the genetic distance was estimated among the study accessions, since none of them gave the zero value.
Palabras clave : Molecular markers; AFLP; Accessions.