Genetic diversity and structure of wild populations ofCarica papayain Northern Mesoamerica inferred by nuclear microsatellites and chloroplast markers | Zendy

Mariana ChávezPesqueira | Zendy; Juan NúñezFarfán | Zendy

Open Access

Genetic diversity and structure of wild populations ofCarica papayain Northern Mesoamerica inferred by nuclear microsatellites and chloroplast markers

Author(s) -

Mariana ChávezPesqueira,

Juan NúñezFarfán

Publication year - 2016

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcw183

Subject(s) - biology , genetic structure , mesoamerica , genetic diversity , phylogeography , chloroplast dna , population , gene pool , ecology , genetic variation , phylogenetics , geography , genetics , gene , archaeology , demography , sociology

Few studies have evaluated the genetic structure and evolutionary history of wild varieties of important crop species. The wild papaya (Carica papaya) is a key element of early successional tropical and sub-tropical forests in Mexico, and constitutes the genetic reservoir for evolutionary potential of the species. In this study we aimed to determine how diverse and structured is the genetic variability of wild populations of C. papaya in Northern Mesoamerica. Moreover, we assessed if genetic structure and evolutionary history coincide with hypothetized (1) pre-Pleistocene events (Isthmus of Tehuantepec sinking), (2) Pleistocene refugia or (3) recent patterns.

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