Estimation of the genetic diversity of Opuntia spp. using molecular markers AFLP
García-Zambrano2 EA, F Zavala-García2, A Gutiérrez-Diez, MC Ojeda-Zacarías, I Cerda-Hurtado3
Trabajo realizado en la Facultad de Agronomía, Universidad Autónoma de Nuevo León. Apartado Postal 358, San Nicolás de los Garza N. L. C.P. 66450. México.
Maestro Investigador de la Facultad de Agronomía de la Universidad Autónoma de Nuevo León, México
Alumna del programa Ingeniero Agrónomo de la Facultad de Agronomía de la Universidad Autónoma de Nuevo León, México.
* Corresponding Author:Address Correspondence to: Eduardo Alejandro García Zambrano, e-mail:
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.
, G., Gutiérrez-Diez, A., Ojeda-Zacarías, M., Cerda-Hurtado, I. (2009). Estimation of the genetic diversity of Opuntia spp. using molecular markers AFLP. Phyton-International Journal of Experimental Botany, 78(all), 117–120.
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