Echinococcus ortleppi (G5) and Echinococcus granulosus sensu stricto (G1) loads in cattle from Southern Brazil

Veterinary Parasitology
Helier BalbinottiArnaldo Zaha

Abstract

Echinococcus granulosus sensu stricto (G1) and Echinococcus ortleppi (G5) are haplotypes of the parasite formerly known as Echinococcus granulosus sensu lato, which in its larval stage causes cystic hydatid disease, endemic in Southern Brazil. Epidemiological and molecular knowledge about the haplotypes occurring in a region is essential to control the spread of the disease. The aim of this work was to analyze the haplotype frequency and fertility of hydatid cysts in cattle from the state of Rio Grande do Sul. Cysts were collected and classified according to their fertility status. DNA was extracted from protoscoleces and germinal layers and then used as template for the amplification of the cytochrome c oxidase subunit 1 gene by PCR. Amplicons were purified and sequenced, and the sequences were analyzed for haplotype identification. A total of 638 fertile cysts collected in the last ten years were genotyped. On average, G1 (56.6%) was more frequent than G5 (43.4%). In lungs, the G5 haplotype exhibited a higher parasite load (52.8%), whereas in the liver, G1 was more frequent (90.4%). The analysis revealed an increase in the frequency of G5 haplotype cysts during the period of sampling, and an increase in the abundance of ferti...Continue Reading

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Citations

Nov 25, 2014·Emerging Infectious Diseases·Frédéric GrenouilletFranck Boué
Feb 13, 2014·Parasites & Vectors·Guilherme Brzoskowski SantosArnaldo Zaha
Nov 27, 2015·Tropical Medicine & International Health : TM & IH·Marcela Alejandra CucherLaura Kamenetzky
Oct 23, 2016·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Teivi LaurimäeUrmas Saarma
Sep 24, 2015·PLoS Neglected Tropical Diseases·João Antonio DebarbaArnaldo Zaha
Oct 21, 2016·Parasitology·Danieli Urach MonteiroMário Luiz DE LA Rue
Jul 15, 2015·Revista brasileira de parasitologia veterinária = Brazilian journal of veterinary parasitology : Órgão Oficial do Colégio Brasileiro de Parasitologia Veterinária·Danieli Urach MonteiroMário Luiz de la Rue
Jun 18, 2020·Pathogens·João Antonio DebarbaArnaldo Zaha
Aug 10, 2017·Revista Do Instituto De Medicina Tropical De São Paulo·Charlise Bolson NoalMario Luiz de la Rue
May 5, 2018·PLoS Neglected Tropical Diseases·Edileuza Danieli da SilvaArnaldo Zaha
Aug 11, 2019·Parasites & Vectors·Yunliang ShiYichao Yang
Nov 7, 2019·Scientific Reports·Martín CancelaHenrique B Ferreira
Sep 2, 2020·The Korean Journal of Parasitology·Nguyen Van DeJong-Yil Chai
Jul 16, 2021·Acta Parasitologica·Carlos ManterolaNayely García-Méndez
Mar 10, 2015·Journal of Proteome Research·Aline TeichmannHenrique B Ferreira

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