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Genetic diversity of Cingulata assessed by mitochondrial and microsatellite markers: the case of a Tolypeutes tricinctus (Linnaeus, 1758) population from Cerrado.

Grant number: 12/16632-3
Support type:Scholarships in Brazil - Master
Effective date (Start): December 01, 2012
Effective date (End): June 30, 2014
Field of knowledge:Biological Sciences - Genetics - Animal Genetics
Principal researcher:Nadia de Moraes Barros
Grantee:Helena Tadiello de Moraes
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):13/12199-6 - Standardization, amplification and evaluation of microsatellite loci previously selected in Tolypeutes tricinctus, BE.EP.MS


The Brazilian three-banded armadillo (Tolypeutes tricinctus) belongs to the order Cingulata, is endemic to Brazil, and occurs in Caatinga and Cerrado biomes. It was believed to be extinct, but it was rediscovered in the early 1990s in different localities. Today, the Brazilian three-banded armadillo is classified as vulnerable, due to hunting and habitat loss. Studies published so far, regarding Evolutionary Biology and Genetics, are limited to phylogenetic analysis of Cingulata and Xenartrhra. No genetic diversity studies have been done. This project's main goals are to: 1 - select multiple and independent molecular markers in order to generate genetic diversity data; 2 - compare parameters of genetic diversity from T. tricinctus with a widely distributed and not endangered armadillo species; 3 - discuss about population effective size, viability, genetic diversity and conservation status. This study aims to contribute for a better understanding of genetic diversity and future management plans of the remaining T. tricinctus populations.

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