Los marcadores microsatélite revelan la reestructuración genética de Medicago sinskiae (Fabaceae) en el oeste y el sudoeste de Irán

Raha  Zareei; Ernest  Small; Mostafa  Assadi; Iraj  Mehregan

doi:10.3989/collectbot.2022.v41.002

Autores/as

Raha Zareei Department of Biology, Science and Research Branch, Islamic Azad University https://orcid.org/0000-0001-6496-6216
Ernest Small Agriculture and Agri-Food Canada, Ottawa Research and Development Centre https://orcid.org/0000-0002-0654-6966
Mostafa Assadi Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO) https://orcid.org/0000-0001-9014-585X
Iraj Mehregan Department of Biology, Science and Research Branch, Islamic Azad University https://orcid.org/0000-0002-5108-2558

DOI:

https://doi.org/10.3989/collectbot.2022.v41.002

Palabras clave:

genética de poblaciones, marcadores microsatélite, Medicago anuales

Resumen

Medicago sinskiae es considerada una especie rara en la flora iraní con únicamente unas pocas citas en las tres últimas décadas. Se han muestreado ocho poblaciones (62 individuos) de M. sinskiae, una población de M. rigidula (siete individuos) y una población de M. constricta (cinco individuos) en el oeste y el suroeste de Irán que han sido analizadas con marcadores microsatélite. Se han utilizado nuevos primers obtenidos con tecnología NGS. Los análisis de PCoA, Clustering y Structure no muestran un patrón geográfico para los clústeres genéticos. Los resultados muestran que M. sinskiae es principalmente una especie autógama. Se asume que los altos niveles de flujo genético (Nm) y la homogeneidad genética poblacional están afectados por una rápida dispersión y un flujo genético no localizado. Recolecciones extensivas realizadas recientemente en el oeste y el suroeste de Iran muestran que el rango de distribución esta especie se está incrementando. Finalmente, nuestros resultados indican que M. sinskiae está diferenciada de las especies M. rigidula y M. constricta en Irán.

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