Population genomics and phenotypic characterization to elucidate aspects of the origin, domestication and dispersal of annatto (Bixa orellana) and maize (Zea mays) in the lowlands of South America

• Grant number: 15/26837-0
• Support Opportunities: Regular Research Grants
• Start date: April 01, 2016
• End date: November 30, 2018
• Field of knowledge: Biological Sciences - Genetics - Plant Genetics
• Principal Investigator: Elizabeth Ann Veasey
• Grantee: Elizabeth Ann Veasey
• Host Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
• Associated researchers: Alessandro Alves Pereira ; Charles Roland Clement ; Doriane Picanço Rodrigues ; Eliane Gomes Fabri ; Fabio de Olivera Freitas ; Maria Imaculada Zucchi ; Natália Carolina de Almeida Silva ; Rafael Vidal ; Roberto Fritsche Neto ; Santiago Linorio Ferreyra Ramos

Abstract

The processes of plant domestication and dispersal occurred over the past 12,000 years, involving strong selective pressures caused both by humans and by natural selection itself, leading to genetic modifications to better adapt selected populations to the ecological and agronomic conditions, and cultural aspects of human populations that cultivated them. By using tools of molecular genetics and population genomics, as well as phenotypic characterization, this project aims to: a) determine the center of domestication and understand the process of dispersal of annatto in Brazil, and also look at the reproductive system of its wild populations; b) determine the dispersal process of maize in the lowlands of South America, and identify races of maize in Brazil, in order to update the information on maize diversity in in situ-on farm conservation. To this end, molecular markers such as microsatellites, SNPs and sequences of chloroplast DNA regions will be used. Phenotypic evaluations will also be conducted in maize for the identification of races of maize currently present in Brazil. (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)

COSTA, FLAVIANE MALAQUIAS; DE ALMEIDA SILVA, NATALIA CAROLINA; VIDAL, RAFAEL; CLEMENT, CHARLES ROLAND; FREITAS, FABIO DE OLIVEIRA; ALVES-PEREIRA, ALESSANDRO; DANIEL PETROLI, CESAR; ZUCCHI, MARIA IMACULADA; VEASEY, ELIZABETH ANN. Maize dispersal patterns associated with different types of endosperm and migration of indigenous groups in lowland South America. ANNALS OF BOTANY, v. 129, n. 6, p. 15-pg., 2022-04-27. (15/26837-0)

DEQUIGIOVANNI, GABRIEL; FERREYRA RAMOS, SANTIAGO LINORIO; ALVES-PEREIRA, ALESSANDRO; FABRI, ELIANE GOMES; PICANCO-RODRIGUES, DORIANE; CLEMENT, CHARLES ROLAND; GEPTS, PAUL; VEASEY, ELIZABETH ANN. Highly structured genetic diversity of Bixa orellana var. urucurana, the wild ancestor of annatto, in Brazilian Amazonia. PLoS One, v. 13, n. 6, JUN 6 2018. (15/26837-0, 12/08307-5, 16/05912-6, 13/08884-5)

COSTA, FLAVIANE MALAQUIAS; DE ALMEIDA SILVA, NATALIA CAROLINA; VIDAL, RAFAEL; CLEMENT, CHARLES ROLAND; ALVES, RUBANA PALHARES; BIANCHINI, PAOLA CORTEZ; HAVERROTH, MOACIR; FREITAS, FABIO DE OLIVEIRA; VEASEY, ELIZABETH ANN. Entrelacado, a rare maize race conserved in Southwestern Amazonia. Genetic Resources and Crop Evolution, v. 68, n. 1, SEP 2020. (15/26837-0)

DEQUIGIOVANNI, GABRIEL; FERREYRA RAMOS, SANTIAGO LINORIO; GOMES LOPES, MARIA TERESA; CLEMENT, CHARLES ROLAND; RODRIGUES, DORIANE PICANCO; FABRI, ELIANE GOMES; ZUCCHI, MARIA IMACULADA; VEASEY, ELIZABETH ANN. New microsatellite loci for annatto (Bixa orellana), a source of natural dyes from Brazilian Amazonia. Crop Breeding and Applied Biotechnology, v. 18, n. 1, p. 116-122, JAN-MAR 2018. (15/26837-0, 12/08307-5, 13/08884-5)