Mem Inst Oswaldo Cruz, Rio de Janeiro, VOLUME 114 | SEPTEMBER 2019
Short communication

Genetic diversity of Echinococcus vogeli in the Western Brazilian Amazon [ACCEPTED ARTICLES / PRELIMINARY VERSION]

Daniel Daipert-Garcia1, Márcio Galvão Pavan2, Leandro Batista das Neves1, Fernanda Barbosa de Almeida1, Nilton Ghiotti Siqueira3,4, Guilherme Brzowski Santos5, Tuan Pedro Dias Correia1, Henrique Bunselmeyer Ferreira6, Rosângela Rodrigues-Silva1,+

1 Laboratório de Helmintos Parasitos de Vertebrados, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, RJ, Brasil
2 Laboratório de Mosquitos Transmissores de Hematozoários, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, RJ, Brasil
3 Fundação Hospital Estadual do Acre, Rio Branco, AC, Brasil
4 Universidade Federal do Acre, Rio Branco, AC, Brasil
5 Laboratório de Biologia Molecular de Cestódeos, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
6 Laboratório de Genômica Estrutural e Funcional, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil

DOI: 10.1590/0074-02760190149
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ABSTRACT

Human polycystic echinococcosis is a parasitic infection caused by the larval stage of Echinococcus vogeli, which occurs in rural areas of Central and South America. So far, little information on the genetic variability of E. vogeli is available. Here, 32 samples from human excised E. vogeli cysts had a 396-bp sequence of the mitochondrial cytochrome oxidase I (COI) gene sequenced and compared to other 17 COI sequences representing 9 Echinococcus species. A Bayesian COI tree revealed that all E. vogeli sequences formed a monophyletic and well-supported clade with an E. vogeli reference sequence. The occurrence of geographically restricted E. vogeli COI haplotypes suggests retention of ancestral polymorphisms with little migration in Acre, Brazil.

+ Corresponding author: rosanrsilva@gmail.com.
https://orcid.org/0000-0002-6420-3400
Received 29 April 2019
Accepted 02 September 2019

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