Analysis of the genetic diversity of Physalis peruviana L. from three regions of Peru, using microsatellite markers
Journal Title: Biotecnología Vegetal - Year 2020, Vol 20, Issue 4
Abstract
Physalis peruviana L. is a native plant from the Andean region and belongs to the Solanaceae family. The international demand of P. peruviana has increased in recent years due to its medical and nutritional values. However, there are not enough studies on its genetic diversity in Perú. In this scenario, the objective of this work is to determine the genetic diversity of three cultivated populations from Ayacucho (2 761 masl), Cajamarca (2 750 masl), and La Libertad (3 099 masl) using five microsatellite (SSR) markers (SSR11, SSR138, SSR15, SSR123 and SSR146). A mean value of Fst = 0.307 was found, in addition the AMOVA indicated that the highest percentage of variation was found within individuals (74.5%) and only 25.5% among populations. On the other hand, a mean value of He = 0.722 was found and the PIC values for each marker were 0.567 for SSR146, 0.603 for SSR138, 0.656 for SSR11, 0.707 for SSR15 and 0.845 for SSR123. The Fst values showed a great genetic difference and the AMOVA test showed a low percentage of variation among populations, which shows the same unstructured genetic unit.
Authors and Affiliations
Marlon Garcia Paitan, Alberto López Sotomayor, Santiago Alvarez Vega, Paul Guarnizo Bejarano, Ingrid Tirado Julca, Maricielo Postillos Flores, Ismael Araujo Aliaga, María Siles Vallejos
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