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Title: New microsatellite loci for annatto (Bixa orellana), a source of natural dyes from Brazilian Amazonia
Authors: Dequigiovanni, Gabriel
Ramos, Santiago Linorio Ferreyra
Lopes, Maria Teresa Gomes
Clement, Charles Roland
Doriane, Picanço Rodrigues
Fabri, Eliane Gomes
Zucchi, Maria Imaculada
Veasey, Elizabeth Ann
Issue Date: 2018
metadata.dc.publisher.journal: Crop Breeding and Applied Biotechnology
metadata.dc.relation.ispartof: Volume 18, Número 1, Pags. 116-122
Abstract: Annatto (Bixa orellana) is a tropical crop native to the Americas with Amazonia as the likely center of origin of domestication. Annatto is important because it produces the dye bixin, which is widely used in the pharmaceutical, food, cosmetic and textile industries. A total of 32 microsatellite loci were isolated from a microsatellite-enriched genomic library, of which 12 polymorphic loci were used to characterize four populations of B. orellana and B. orellana var. urucurana, the wild relative. Higher genetic diversity estimates were detected for the wild populations when compared to the cultivated populations. Also, higher apparent outcrossing rates were found for the two wild than the cultivated populations. These results indicate a mixed mating system for the species. All markers described herein have potential to be used in further studies evaluating the genetic diversity, population dynamics, domestication, breeding, and conservation genetics of annatto. © 2018, Brazilian Society of Plant Breeding. All rights reserved.
metadata.dc.identifier.doi: 10.1590/1984-70332018v18n1n18
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