Characterization of homologies between bovine BACs probes (Bos taurus) and gray brocket deer chromosomes (Mazama gouazoubira): new perspectives for intra and interespecific studies in the genus Mazama

• Grant number: 18/25769-9
• Support Opportunities: Scholarships in Brazil - Master
• Effective date (Start): April 01, 2019
• Effective date (End): August 31, 2021
• Field of knowledge: Biological Sciences - Genetics - Animal Genetics
• Principal Investigator: José Maurício Barbanti Duarte
• Grantee: Agda Maria Bernegossi
• Host Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
• Associated scholarship(s): 19/20810-3 - Characterization of homologies between bovine (Bos taurus) BAC probes and gray brocket deer (Mazama gouazoubira) chromosomes: new perspectives in intra and interspecific studies of the Mazama genus, BE.EP.MS

Abstract

The species of the Mazama genus are closely related and similar morphologically although they differ in the value of their diploid numbers, a circumstance that culminated in errors of taxonomic classification and the discovery of new species. The occurrence of chromosomal rearrangements and the remarkable observation of intraspecific chromosomal polymorphism in the species of the group, facilitate the formation of new species in a situation of geographic isolation in a short period of time. The chromosomal evolution of Mazama species from the ancestral hypothetical karyotype, retained by the species Mazama gouazoubira, is poorly understood and lacks molecular cytogenetic analysis. Studies have shown great difficulty in characterizing chromosomal markers from probes produced by microdissection due to centromeric nonspecific markings in the heterochromatin region. As a result of the rapid evolution and degeneration of repetitive DNA sequences an alternative to solve the problem of nonspecific markings is to work with chromosome painting between different species. The present study aims to characterize the homologies between bovine BACs probes and the chromosomes of the M. gouazoubira species. It is expected that the study contributes as a baselie for subsequent analysis, enabling to review the taxonomy of the Mazama species and elucidate the evolutionary processes that involved the group. (AU)

Scientific publications

(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)

BERNEGOSSI, AGDA MARIA; VOZDOVA, MILUSE; CERNOHORSKA, HALINA; KUBICKOVA, SVATAVA; GALINDO, DAVID JAVIER; KADLCIKOVA, DITA; RUBES, JIRI; BARBANTI DUARTE, JOSE MAURICIO. Cytogenetic Mapping of Cattle BAC Probes for the Hypothetical Ancestral Karyotype of the Family Cervidae. Cytogenetic and Genome Research, v. N/A, p. 8-pg., 2022-08-18. (17/07014-8, 19/20810-3, 19/06940-1, 18/25769-9)

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

BERNEGOSSI, Agda Maria. Characterization of homologies between bovine BAC probes (Bos taurus) and gray brocket deer (Mazama gouazoubira) chromosomes: a new perspective on intra and interspecific studies of the genus Mazama. 2021. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.