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Abstract Detail

Population Genetics

Aguirre, Xitlali [1], Gernandt, David S. [1], Willyard, Ann [2], Moreno, Alejandra [3], Liston, Aaron [4].

Multilocus phylogeography of recently differentiated Pinus greggii varieties.

The great diversity harbored by the genus Pinus in North America, where 75 species are found, has been explained by the mixed presence of species of ancient origin and species resulting from recent radiation. We studied the recent diversification in this group with a phylogeographic analysis of Pinus greggii, an ecologically and economically important species with serotinous cones. Pinus greggii includes two varieties, var. greggii and var. australis, distributed in two disjunct regions in the Sierra Madre Oriental of Mexico. We used a hybridization enrichment approach to sequence nuclear genes and plastomes in 40 individuals representing both varieties from northern and southern populations. We inferred gene genealogies for each genomic dataset using coalescence methods and evaluated the impact of geological and climatic changes in the region on the differentiation of intraspecific gene pools and the persistence of ancient polymorphisms.

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1 - Instituto de Biología, Universidad Nacional Autónoma de, Departamento de Botánica, Apartado Postal 70-233, Coyoacán, Ciudad de Mexico, CM, 04510, Mexico
2 - Hendrix College, Biology Dept, 1600 Washington Ave, Conway, AR, 72032, USA
3 - Instituto de Biología, Universidad Nacional Autónoma de, Jardín Botánico, Circuito exterior S/N Ciudad Universitaria, Mexico, DF, 04510, Mexico
4 - Oregon State University, Department Of Botany & Plant Pathology, 2082 Cordley Hall, Corvallis, OR, 97331-2902, USA, 541/737-5301

low-copy nuclear markers

Presentation Type: Poster
Session: P, Population Genetics Posters
Location: Exhibit Hall/Savannah International Trade and Convention Center
Date: Monday, August 1st, 2016
Time: 5:30 PM This poster will be presented at 5:30 pm. The Poster Session runs from 5:30 pm to 7:00 pm. Posters with odd poster numbers are presented at 5:30 pm, and posters with even poster numbers are presented at 6:15 pm.
Number: PPG013
Abstract ID:822
Candidate for Awards:None

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