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Phylogeography, population genomics and adaptive variation in Pitcairnia lanuginosa (Bromeliaceae) species complex

Grant number: 14/15588-6
Support type:Regular Research Grants
Duration: December 01, 2014 - May 31, 2017
Field of knowledge:Biological Sciences - Genetics
Principal Investigator:Clarisse Palma da Silva
Grantee:Clarisse Palma da Silva
Home Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Assoc. researchers: Andreia Carina Turchetto Zolet ; Milene Ferro

Abstract

The understanding of the processes leading to the diversification of lineages and the appearance of new species is particularly important in the world's biodiversity hotspots. Genotyping-by-Sequencing (GBS) approaches, as restriction site associated DNA sequencing (RAD-Seq), have shown promise for studying such processes, even when it involves non-model organisms. In this work, we will use the Pitcairnia lanuginosa complex (Bromeliaceae), which is widely distributed in tropical regions of South America, as a model to study patterns and processes underlying the diversity in the Neotropics. For this, we will employ a large amount of SNPs markers isolated by RAD-Seq, as well as nuclear and plastid markers and ecological niche modeling (ENM), to determine the role of historical demographic processes on the neutral and adaptive genetic variation and to test the boundaries between species of the group, in a phylogeographic context. In an attempt to aggregate essential biological knowledge to interpret the patterns of diversification, we will also raise data about the morphological variation and the reproductive biology, still unknown for the species of the complex. Our results about the divergence between the lineages of P. lanuginosa complex occupying the Central Andean Yungas and the Brazilian Cerrado will provide insights about the patterns and processes that govern the high biodiversity of the South American continent. This study will also assist the understanding of demographic responses of herbaceous plants adapted to drought stress during the Quaternary climatic oscillations. (AU)

Scientific publications (4)
(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)
MOTA, M. R.; PINHEIRO, F.; LEAL, B. S. S.; WENDT, T.; PALMA-SILVA, C. The role of hybridization and introgression in maintaining species integrity and cohesion in naturally isolated inselberg bromeliad populations. Plant Biology, v. 21, n. 1, p. 122-132, JAN 2019. Web of Science Citations: 0.
NEVES CHAVES, CLEBER JULIANO; AOKI-GONCALVES, FELIPE; SANTOS LEAL, BARBARA SIMOES; ROSSATTO, DAVI RODRIGO; PALMA-SILVA, CLARISSE. Transferability of nuclear microsatellite markers to the atmospheric bromeliads Tillandsia recurvata and T-aeranthos (Bromeliaceae). BRAZILIAN JOURNAL OF BOTANY, v. 41, n. 4, p. 931-935, DEC 2018. Web of Science Citations: 2.
PINHEIRO, FABIO; DANTAS-QUEIROZ, MARCOS VINICIUS; PALMA-SILVA, CLARISSE. Plant Species Complexes as Models to Understand Speciation and Evolution: A Review of South American Studies. CRITICAL REVIEWS IN PLANT SCIENCES, v. 37, n. 1, p. 54-80, 2018. Web of Science Citations: 4.
SANTOS LEAL, BARBARA SIMOES; DA SILVA, CLARISSE PALMA; PINHEIRO, FABIO. Phylogeographic Studies Depict the Role of Space and Time Scales of Plant Speciation in a Highly Diverse Neotropical Region. CRITICAL REVIEWS IN PLANT SCIENCES, v. 35, n. 4, p. 215-230, 2016. Web of Science Citations: 8.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.