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Comparative phylogeography of plants in the Central Amazonia

Grant number: 13/12633-8
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2013
Effective date (End): March 23, 2018
Field of knowledge:Biological Sciences - Genetics - Plant Genetics
Principal researcher:Lúcia Garcez Lohmann
Grantee:Alison Gonçalves Nazareno
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:12/50260-6 - Structure and evolution of the Amazonian biota and its environment: an integrative approach, AP.BTA.TEM
Associated scholarship(s):17/02302-5 - Crossing Amazonian rivers: a comparative study of plants with distinct life histories, BE.EP.PD   15/07141-4 - A test of the riverine barrier hypothesis for Amazonian plants, BE.EP.PD

Abstract

The Amazon is one of the most diverse biomes on the planet. Despite the importance of this ecosystem, very little is still known about the ecological and evolutionary processes involved in the diversification, maintenance and distribution of species in this region. Given the extension of this biome, study cases of organisms with disjunct geographical distributions are critical for a better understanding of the history of this system. The genus Pagamea (Rubiaceae) includes several species that are restricted to white-sand soils from the Amazon Basin (campinas and campinaranas), representing an excellent model for studies on the genetic structure and phylogeography in this region. In order to elucidate the phylogeographical history of P. coriacea, we will use Restriction-site Associated DNA sequencing (RAD-Seq) to identify a set of informative SNP loci. Considering that P. coriacea has a disjunct distribution, with populations on either side of the Amazon wide rivers, we will test the hypothesis that wide rivers are biogeographic barriers to gene flow, with the genetic differentiation among populations being enhanced by the geographic isolation of the campinaranas. Furthermore, we will also estimate the pattern and time of divergence among populations of P. coriacea in order to better understand their evolutionary history. This project is linked to the Thematic Project "Structure and Evolution of the Amazonian Biota and its environment: An Integrative Approach" (FAPESP: 2012/50260-6). (AU)

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Scientific publications (9)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BEYER, MAILA; NAZARENO, ALISON G.; LOHMANN, LUIA G.. USING GENOMIC DATA TO DEVELOP CHLOROPLAST DNA SSRS FOR THE NEOTROPICAL LIANA STIZOPHYLLUM RIPARIUM (BIGNONIEAE, BIGNONIACEAE). APPLICATIONS IN PLANT SCIENCES, v. 5, n. 10, . (12/50260-6, 13/12633-8)
NAZARENO, ALISON G.; DICK, CHRISTOPHER W.; LOHMANN, LUCIA G.. Tangled banks: A landscape genomic evaluation of Wallace's Riverine barrier hypothesis for three Amazon plant species. Molecular Ecology, v. 28, n. 5, p. 980-997, . (12/50260-6, 13/12633-8, 17/02302-5, 15/07141-4)
NAZARENO, ALISON G.; DICK, CHRISTOPHER W.; LOHMANN, LUCIA G.. Wide but not impermeable: Testing the riverine barrier hypothesis for an Amazonian plant species. Molecular Ecology, v. 26, n. 14, p. 3636-3648, . (12/50260-6, 15/07141-4, 13/12633-8)
BEYER, MAILA; NAZARENO, ALISON GONCALVEZ; LOHMANN, LUCIA G.. Development of nuclear microsatellite markers in Stizophyllum (Bignoniaceae) using next-generation sequencing. PLANT GENETIC RESOURCES-CHARACTERIZATION AND UTILIZATION, v. 17, n. 4, p. 382-385, . (12/50260-6, 13/12633-8)
NAZARENO, ALISON G.; DICK, CHRISTOPHER W.; LOHMANN, LUCIA G.. A Biogeographic Barrier Test Reveals a Strong Genetic Structure for a Canopy-Emergent Amazon Tree Species. SCIENTIFIC REPORTS, v. 9, . (12/50260-6, 17/02302-5, 15/07141-4, 13/12633-8)
NAZARENO, ALISON G.; KNOWLES, L. LACEY; DICK, CHRISTOPHER W.; LOHMANN, LUCIA G.. By Animal, Water, or Wind: Can Dispersal Mode Predict Genetic Connectivity in Riverine Plant Species?. FRONTIERS IN PLANT SCIENCE, v. 12, . (15/07141-4, 12/50260-6, 13/12633-8, 17/02302-5)
FRANCISCO, JESSICA N. C.; NAZARENO, ALISON G.; LOHMANN, LUCIA G.. A GENOMIC APPROACH FOR ISOLATING CHLOROPLAST MICROSATELLITE MARKERS FOR PACHYPTERA KERERE (BIGNONIACEAE). APPLICATIONS IN PLANT SCIENCES, v. 4, n. 9, . (13/12633-8, 12/50260-6, 11/50859-2)
NAZARENO, ALISON GONCALVES; CARLSEN, MONICA; LOHMANN, LUCIA GARCEZ. Complete Chloroplast Genome of Tanaecium tetragonolobum: The First Bignoniaceae Plastome. PLoS One, v. 10, n. 6, . (11/50859-2, 12/50260-6, 13/12633-8)
NAZARENO, ALISON G.; BEMMELS, JORDAN B.; DICK, CHRISTOPHER W.; LOHMANN, LUCIA G.. Minimum sample sizes for population genomics: an empirical study from an Amazonian plant species. MOLECULAR ECOLOGY RESOURCES, v. 17, n. 6, p. 1136-1147, . (12/50260-6, 15/07141-4, 13/12633-8)

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