Banca de QUALIFICAÇÃO: RODRIGO GREDILHA DUARTE

Uma banca de QUALIFICAÇÃO de DOUTORADO foi cadastrada pelo programa.
DISCENTE : RODRIGO GREDILHA DUARTE
DATA : 13/12/2019
HORA: 09:00
LOCAL: Sala 24 do Departamento de Parasitologia Animal
TÍTULO:

Hemoparasites of wild birds in the Atlantic Forest of the states of Rio de Janeiro and Minas Gerais: parasitological and molecular aspects.

PALAVRAS-CHAVES:

Trypanosoma spp.; Anaplasma phagocytophilum; Neotropical birds

PÁGINAS: 80
GRANDE ÁREA: Ciências Agrárias
ÁREA: Medicina Veterinária
SUBÁREA: Medicina Veterinária Preventiva
ESPECIALIDADE: Doenças Parasitárias de Animais
RESUMO:

 

The Atlantic Forest is considered one of the 34 biodiversity hotspots on the planet due to its high species richness and endemism, however the anthropic actions that occur in this biome have contributing to the faunal decline and particularly, hemoparasite infections may be further threat to the birds of this ecosystem. Thus, understanding the diversity, distribution patterns and evolutionary aspects of these parasites in wild bird hosts is important to design actions in conservation programs. In this study, blood samples from 36 birds of four species of Turdus genus collected in Itatiaia National Park (RJ/MG) were analyzed for Trypanosoma spp., as well as 211 wild birds blood samples for Anaplasma phagocytophilum,. The samples were subjected to conventional PCR genetic analysis using 18S rDNA genes for identification of Trypanosoma sp and real time PCR for amplification of a 122 bp fragment of the msp2 gene in the diagnosis of A. phagocytophilum.  In total; two individuals of the genus Turdus were found positive for Trypanosoma, gruping for phylogenetic analyzes in the clade in the species  T. bennetti and five birds, three species of the genus Turdus and two species of Tachyphonus coronatus for A. phagocytophilum. The data from the present study do not make clear the specificity of parasites to their hosts due to the low sample number of positive birds and together with the literature review, indicate the need for further research on the diversity of avian hemoparasites in our country, given the huge wealth of vectors and bird species. The data of this study also reinforce the need for further research that equates ecological models and parasitological findings with the use of molecular approaches and integrative taxonomy in underwood birds, which are primarily Passeriformes birds of this Brazilian ecosystem, thus contributing to future mechanisms to assess the quality of environments. using both hosts and parasites in a list of bioindicator species allied with validated, accurate and continuous abiotic variables over a long period of time.

MEMBROS DA BANCA:
Presidente - 3701492 - HUARRISSON AZEVEDO SANTOS
Interno - 1971595 - BRUNO PEREIRA BERTO
Externa ao Programa - 3103478 - MARISTELA PECKLE PEIXOTO
Externo à Instituição - DANIEL DA SILVA GUEDES JUNIOR - FIOCRUZ
Externo à Instituição - ALYNNE DA SILVA BARBOSA - UFF