Sympatric parallel diversification of major oak clades in the Americas and the origins of Mexican species diversity
Andrew L. Hipp,Paul S. Manos,Antonio González-Rodríguez,Marlene Hahn,Matthew A. Kaproth,Matthew A. Kaproth,John D. McVay,Susana Valencia Ávalos,Jeannine Cavender-Bares +8 more
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TLDR
A highly resolved phylogeny demonstrates sympatric parallel diversification in climatic niche, leaf habit, and diversification rates in the oaks, which has shaped the diversity of North American forests.Abstract:
Summary
Oaks (Quercus, Fagaceae) are the dominant tree genus of North America in species number and biomass, and Mexico is a global center of oak diversity. Understanding the origins of oak diversity is key to understanding biodiversity of northern temperate forests.
A phylogenetic study of biogeography, niche evolution and diversification patterns in Quercus was performed using 300 samples, 146 species. Next-generation sequencing data were generated using the restriction-site associated DNA (RAD-seq) method. A time-calibrated maximum likelihood phylogeny was inferred and analyzed with bioclimatic, soils, and leaf habit data to reconstruct the biogeographic and evolutionary history of the American oaks.
Our highly resolved phylogeny demonstrates sympatric parallel diversification in climatic niche, leaf habit, and diversification rates. The two major American oak clades arose in what is now the boreal zone and radiated, in parallel, from eastern North America into Mexico and Central America.
Oaks adapted rapidly to niche transitions. The Mexican oaks are particularly numerous, not because Mexico is a center of origin, but because of high rates of lineage diversification associated with high rates of evolution along moisture gradients and between the evergreen and deciduous leaf habits. Sympatric parallel diversification in the oaks has shaped the diversity of North American forests.read more
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Book ChapterDOI
An Updated Infrageneric Classification of the Oaks: Review of Previous Taxonomic Schemes and Synthesis of Evolutionary Patterns
TL;DR: This chapter proposes an updated classification of Quercus recognising two subgenera with eight sections, and considers morphological traits, molecular-phylogenetic relationships, and the evolutionary history of one of the most important temperate woody plant genera.
Journal ArticleDOI
Genomic landscape of the global oak phylogeny
Andrew L. Hipp,Paul S. Manos,Marlene Hahn,Michael Avishai,Catherine Bodénès,Jeannine Cavender-Bares,Andrew A. Crowl,Min Deng,Thomas Denk,Sorel Fitz-Gibbon,Oliver Gailing,M. Socorro González-Elizondo,Antonio González-Rodríguez,Guido W. Grimm,Xiao-Long Jiang,Antoine Kremer,Isabelle Lesur,John D. McVay,Christophe Plomion,Hernando Rodríguez-Correa,Ernst Detlef Schulze,Marco Cosimo Simeone,Victoria L. Sork,Susana Valencia-Ávalos +23 more
TL;DR: This study utilizes fossil data and restriction-site associated DNA sequencing (RAD-seq) for 632 individuals representing nearly 250 Quercus species to infer a time-calibrated phylogeny of the world's oaks and test the hypothesis that there are regions of the oak genome that are broadly informative about phylogeny.
Journal ArticleDOI
Diversification, adaptation, and community assembly of the American oaks (Quercus), a model clade for integrating ecology and evolution
TL;DR: The oaks offer fundamental insights at the intersection of ecology and evolution on the role of diversification in community assembly processes, on the importance of flexibility in key functional traits in adapting to new environments, on factors contributing to persistence of long-lived organisms, and on evolutionary legacies that influence ecosystem function.
Journal ArticleDOI
Bridging the micro- and macroevolutionary levels in phylogenomics: Hyb-Seq solves relationships from populations to species and above
Tamara Villaverde,Lisa Pokorny,Sanna Olsson,Mario Rincón-Barrado,Matthew G. Johnson,Elliot M. Gardner,Norman J. Wickett,Julià Molero,Ricarda Riina,Isabel Sanmartín +9 more
TL;DR: It is shown that probes designed using genomic resources from taxa not directly related to the focal group are effective in providing phylogenetic resolution at deep and shallow evolutionary levels.
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