Author | Bitencourth, Karla | |
Author | Amorim, Marinete | |
Author | Oliveira, Stefan Vilges de | |
Author | Gazêta, Gilberto Salles | |
Access date | 2021-09-17T10:19:00Z | |
Available date | 2021-09-17T10:19:00Z | |
Document date | 2021 | |
Citation | BITENCOURTH, Karla et al. Amblyomma aureolatum Genetic Diversity and Population Dynamics Are Not Related to Spotted Fever Epidemiological Scenarios in Brazil. Pathogens, v. 10, n. 1146, 13 p, 2021. | pt_BR |
ISSN | 2076-0817 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/49097 | |
Language | eng | pt_BR |
Publisher | MDPI | pt_BR |
Rights | open access | pt_BR |
Subject in Portuguese | Filogeografia | pt_BR |
Subject in Portuguese | Mata Atlântica | pt_BR |
Subject in Portuguese | Genética populacional | pt_BR |
Subject in Portuguese | Crescimento demográfico | pt_BR |
Subject in Portuguese | Rickettsiose | pt_BR |
Subject in Portuguese | Carrapato de cachorro amarelo | pt_BR |
Title | Amblyomma aureolatum Genetic Diversity and Population Dynamics Are Not Related to Spotted Fever Epidemiological Scenarios in Brazil | pt_BR |
Type | Article | pt_BR |
DOI | 10.3390/pathogens10091146 | |
Abstract | Regional differences in tick-borne disease epidemiology may be related to biological
variations between vector populations. Amblyomma aureolatum (Ixodida: Ixodidae), a neotropical tick,
is known from several regions in Brazil. However, only in the metropolitan area of São Paulo (SP)
state are there studies that establish its role as a vector of a pathogenic rickettsia (Rickettsia rickettsii).
The aim of the study was to analyze the genetic diversity, population dynamics, and rickettsia
infection in A. aureolatum populations from different spotted fever scenarios in Brazil. Samples
were subjected to DNA extraction, amplification and sequencing of 12S rDNA, cytochrome oxidase
subunit II and D-loop mitochondrial markers for tick population analyses, and gltA, htrA, ompA,
and ompB genes for rickettsia researches. Of the 7–17 tick haplotypes identified, 5–13 were exclusive
to each population and 2–12 for each epidemiological scenario, as well as three haplotypes shared
by all populations. Amblyomma aureolatum populations are expanding, and do not appear to be
genetically structured vis-a-vis the different epidemiological scenarios studied. Rickettsia bellii (in
SP) and Rickettsia felis (in Santa Catarina) were identified as infecting A. aureolatum. No relationship
between tick haplotypes and rickettsia types were observed. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Referência Nacional em Vetores das Riquetsioses. Rio de Janeiro, RJ, Brasil / Fundação Oswaldo Cruz. Programa de Pós-Graduação em Biodiversidade e Saúde. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Referência Nacional em Vetores das Riquetsioses. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Ministério da Saúde. Secretaria de Vigilância em Saúde. Unidade Técnica de Vigilância de Zoonoses. Brasília, DF, Brasil / Universidade Federal de Uberlândia. Faculdade de Medicina. Uberlândia, MG, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Referência Nacional em Vetores das Riquetsioses. Rio de Janeiro, RJ, Brasil / Fundação Oswaldo Cruz. Programa de Pós-Graduação em Biodiversidade e Saúde. Rio de Janeiro, RJ, Brasil. | pt_BR |
Subject | “ovale complex” | pt_BR |
Subject | Atlantic Forest | pt_BR |
Subject | Phylogeography | pt_BR |
Subject | Population genetics | pt_BR |
Subject | Population growth | pt_BR |
Subject | Rickettsiosis | pt_BR |
Subject | Yellow dog tick | pt_BR |