Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.

In this study, 20 blood, heart, and brain samples were collected from euthanized cats at the Zoonosis Control Centers and Veterinary Clinics in the state of Bahia, Brazil. The sera were examined for anti-T. gondii antibodies using the indirect hemagglutination test. The brains and hearts of seven se...

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Autores principales:	Ana Graziela de Jesus Deiró, Danielle Paschoal do Prado, Iuri Prates Sousa, Daniele de Santana Rocha, Rodrigo Alves Bezerra, Fernanda Amato Gaiotto, George Rego Albuquerque, Alexandre Dias Munhoz
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/72ee9de0ee8c416a8d93bce3028bbb64
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spelling	oai:doaj.org-article:72ee9de0ee8c416a8d93bce3028bbb642021-12-02T20:13:50ZPresence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.1932-620310.1371/journal.pone.0253630https://doaj.org/article/72ee9de0ee8c416a8d93bce3028bbb642021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253630https://doaj.org/toc/1932-6203In this study, 20 blood, heart, and brain samples were collected from euthanized cats at the Zoonosis Control Centers and Veterinary Clinics in the state of Bahia, Brazil. The sera were examined for anti-T. gondii antibodies using the indirect hemagglutination test. The brains and hearts of seven seropositive cats were ground, and peptide digestion was performed for bioassay in mice. Toxoplasma gondii was isolated in 5/7 (71.42%) of seropositive cats. In these isolates, the parasite was genotyped using the Polymerase chain reaction, associated with the DNA fragment polymorphism obtained by restriction enzyme PCR-RFLP technique with 11 markers (SAG1, 5'-SAG2, 3'-SAG2, alt. SAG2, SAG3, BTUB, GRA6, c22-8, c29-2, L358, PK1, Apico, and CS3) and 15 microsatellite markers (TUB-2, W35, TgM-A, B18, B17, M33, IV.1, XI.1, M48, M102, N60, N82, AA, N61, N83). The analysis of the isolates by PCR-RFLP revealed five distinct genotypes. Three of these genotypes have never been reported before; one corresponded to the TgDgCo13 genotype, and one incomplete genotype. In genotyping analysis using microsatellite markers, it was observed that the isolates showed atypical alleles in the typing and fingerprint markers. This revealed five atypical genotypes. The typing marker B17 showed the highest degree of atypia. This study is the first to report the genotyping of T. gondii obtained from naturally infected cats in Bahia, Northeast Brazil. The genotypes found in this study were different from those found in other studies conducted in Bahia, which included different species of animals. None of the clonal lineages I, II, or III were found. This study demonstrates the diversity of T. gondii in the study region, with the presence of unusual genotypes, reaffirming the genetic variability of the parasite in Brazil.Ana Graziela de Jesus DeiróDanielle Paschoal do PradoIuri Prates SousaDaniele de Santana RochaRodrigo Alves BezerraFernanda Amato GaiottoGeorge Rego AlbuquerqueAlexandre Dias MunhozPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 10, p e0253630 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ana Graziela de Jesus Deiró Danielle Paschoal do Prado Iuri Prates Sousa Daniele de Santana Rocha Rodrigo Alves Bezerra Fernanda Amato Gaiotto George Rego Albuquerque Alexandre Dias Munhoz Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.
description	In this study, 20 blood, heart, and brain samples were collected from euthanized cats at the Zoonosis Control Centers and Veterinary Clinics in the state of Bahia, Brazil. The sera were examined for anti-T. gondii antibodies using the indirect hemagglutination test. The brains and hearts of seven seropositive cats were ground, and peptide digestion was performed for bioassay in mice. Toxoplasma gondii was isolated in 5/7 (71.42%) of seropositive cats. In these isolates, the parasite was genotyped using the Polymerase chain reaction, associated with the DNA fragment polymorphism obtained by restriction enzyme PCR-RFLP technique with 11 markers (SAG1, 5'-SAG2, 3'-SAG2, alt. SAG2, SAG3, BTUB, GRA6, c22-8, c29-2, L358, PK1, Apico, and CS3) and 15 microsatellite markers (TUB-2, W35, TgM-A, B18, B17, M33, IV.1, XI.1, M48, M102, N60, N82, AA, N61, N83). The analysis of the isolates by PCR-RFLP revealed five distinct genotypes. Three of these genotypes have never been reported before; one corresponded to the TgDgCo13 genotype, and one incomplete genotype. In genotyping analysis using microsatellite markers, it was observed that the isolates showed atypical alleles in the typing and fingerprint markers. This revealed five atypical genotypes. The typing marker B17 showed the highest degree of atypia. This study is the first to report the genotyping of T. gondii obtained from naturally infected cats in Bahia, Northeast Brazil. The genotypes found in this study were different from those found in other studies conducted in Bahia, which included different species of animals. None of the clonal lineages I, II, or III were found. This study demonstrates the diversity of T. gondii in the study region, with the presence of unusual genotypes, reaffirming the genetic variability of the parasite in Brazil.
format	article
author	Ana Graziela de Jesus Deiró Danielle Paschoal do Prado Iuri Prates Sousa Daniele de Santana Rocha Rodrigo Alves Bezerra Fernanda Amato Gaiotto George Rego Albuquerque Alexandre Dias Munhoz
author_facet	Ana Graziela de Jesus Deiró Danielle Paschoal do Prado Iuri Prates Sousa Daniele de Santana Rocha Rodrigo Alves Bezerra Fernanda Amato Gaiotto George Rego Albuquerque Alexandre Dias Munhoz
author_sort	Ana Graziela de Jesus Deiró
title	Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.
title_short	Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.
title_full	Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.
title_fullStr	Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.
title_full_unstemmed	Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.
title_sort	presence of atypical genotypes of toxoplasma gondii isolated from cats in the state of bahia, northeast of brazil.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/72ee9de0ee8c416a8d93bce3028bbb64
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Presence of atypical genotypes of Toxoplasma gondii isolated from cats in the state of Bahia, Northeast of Brazil.

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