Diversidad genética de Agave cupreata (Asparagaceae) evaluada mediante AFLP en tres municipios mezcaleros en el estado de Guerrero (México)

Elia Ballesteros Rodriguez; Maria José García Castillo; Fabiola Escalante-Erosa; Lorenzo Felipe Sánchez Teyer

doi:10.30550/j.lil/2356

Authors

Elia Ballesteros Rodriguez Unidad de Biotecnología. Centro de Investigación Científica de Yucatán A.C. Mérida Yucatán, México https://orcid.org/0000-0002-7196-1752
Maria José García Castillo Unidad de Biotecnología. Centro de Investigación Científica de Yucatán A.C. Mérida Yucatán, México. https://orcid.org/0000-0001-7595-7809
Fabiola Escalante-Erosa Unidad de Biotecnología. Centro de Investigación Científica de Yucatán A.C. Mérida Yucatán, México https://orcid.org/0000-0001-5087-2999
Lorenzo Felipe Sánchez Teyer Unidad de Biotecnológia. Centro de Investigación Científica de Yucatán A.C. Mérida Yucatán, México. https://orcid.org/0000-0002-1714-0240

DOI:

https://doi.org/10.30550/j.lil/2356

Keywords:

Conservation, markers, polymorphism, variability

Abstract

Agave cupreata is an endemic species of Mexico with cultural and economic importance, used in mezcal production. Currently, the species faces conservation challenges due to the intensive harvesting of natural populations, making it important to understand its genetic variability. This study aimed to assess the genetic variability of A. cupreata in the state of Guerrero to provide supporting information for the development of conservation and sustainable management strategies. Three populations were analyzed using AFLP molecular markers with seven primer combinations, detecting 63.95% polymorphism. Analysis of molecular variance (AMOVA) revealed low but significant genetic differentiation among populations (?__ST = 0.043, p = 0.0002), while expected heterozygosity (HE = 0.3966-0.4102) indicated moderate genetic diversity. Bayesian analysis identified two different genetic groups. The results show high intrapopulation genetic variability and moderate differentiation among populations, highlighting the importance of conserving the species’ genetic diversity.

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