Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.11/1592 |
Resumo: | Infection by the larval stage of the cestode Echinococcus granulosus causes a disease known as cystic echinococcosis or hydatidosis, which is one of the most widespread zoonotic infections of veterinary and medical importance. Numerous studies have shown that E. granulosus exists as a complex of strains differing in a wide variety of criteria. Ten distinct genotypes (G1-G10) have been identified with potential impact on the pathology, epidemiology and the effect of the measures implemented for the control of hydatidosis. Our main objective was to carry out a preliminary analysis of the genotypes of E. granulosus circulating in the central inland region of Portugal. Parasite samples (hydatid cysts, n=27) were isolated from the liver and lung of sheep and cattle. The DNA extracted from protoscoleces isolated from the fertile cysts served a template for the PCR amplification of part of the mitochondrial cytochrome c oxidase subunit 1 (cox1), ATP synthase F0 subunit 6 (atp6) as well as the large (rrnL/16S) and small (rrnS/12S) ribosomal RNA genes. Similarity searches with homologous sequences in the databanks indicated very high similarity with references assigned to the G1, G3 and/or G1-G3 complex of Echinococcus strains. Phylogenetic analysis (Bayesian approach) supported these observations, and confirmed the assignment of all the analyzed sequences to the G1-G3 genetic cluster. |
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Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of PortugalEchinococcus granulosusHydatic cystG1-G3 genotypesPortugalMitochondrial DNAInfection by the larval stage of the cestode Echinococcus granulosus causes a disease known as cystic echinococcosis or hydatidosis, which is one of the most widespread zoonotic infections of veterinary and medical importance. Numerous studies have shown that E. granulosus exists as a complex of strains differing in a wide variety of criteria. Ten distinct genotypes (G1-G10) have been identified with potential impact on the pathology, epidemiology and the effect of the measures implemented for the control of hydatidosis. Our main objective was to carry out a preliminary analysis of the genotypes of E. granulosus circulating in the central inland region of Portugal. Parasite samples (hydatid cysts, n=27) were isolated from the liver and lung of sheep and cattle. The DNA extracted from protoscoleces isolated from the fertile cysts served a template for the PCR amplification of part of the mitochondrial cytochrome c oxidase subunit 1 (cox1), ATP synthase F0 subunit 6 (atp6) as well as the large (rrnL/16S) and small (rrnS/12S) ribosomal RNA genes. Similarity searches with homologous sequences in the databanks indicated very high similarity with references assigned to the G1, G3 and/or G1-G3 complex of Echinococcus strains. Phylogenetic analysis (Bayesian approach) supported these observations, and confirmed the assignment of all the analyzed sequences to the G1-G3 genetic cluster.ElsevierRepositório Científico do Instituto Politécnico de Castelo BrancoBeato, SílviaParreira, R.Calado, M. M.Grácio, M. A. A.2012-12-17T12:01:16Z20102011-03-04T15:21:16Z2010-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.11/1592engBEATO, Sílvia Filipa Alves [et al.] (2010) - Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal. Parasitology Internacional. ISSN 1383-5769. Vol. 59, nº 4. p. 638-6421383-5769info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-01-16T11:37:36ZPortal AgregadorONG |
dc.title.none.fl_str_mv |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal |
title |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal |
spellingShingle |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal Beato, Sílvia Echinococcus granulosus Hydatic cyst G1-G3 genotypes Portugal Mitochondrial DNA |
title_short |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal |
title_full |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal |
title_fullStr |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal |
title_full_unstemmed |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal |
title_sort |
Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal |
author |
Beato, Sílvia |
author_facet |
Beato, Sílvia Parreira, R. Calado, M. M. Grácio, M. A. A. |
author_role |
author |
author2 |
Parreira, R. Calado, M. M. Grácio, M. A. A. |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Repositório Científico do Instituto Politécnico de Castelo Branco |
dc.contributor.author.fl_str_mv |
Beato, Sílvia Parreira, R. Calado, M. M. Grácio, M. A. A. |
dc.subject.por.fl_str_mv |
Echinococcus granulosus Hydatic cyst G1-G3 genotypes Portugal Mitochondrial DNA |
topic |
Echinococcus granulosus Hydatic cyst G1-G3 genotypes Portugal Mitochondrial DNA |
description |
Infection by the larval stage of the cestode Echinococcus granulosus causes a disease known as cystic echinococcosis or hydatidosis, which is one of the most widespread zoonotic infections of veterinary and medical importance. Numerous studies have shown that E. granulosus exists as a complex of strains differing in a wide variety of criteria. Ten distinct genotypes (G1-G10) have been identified with potential impact on the pathology, epidemiology and the effect of the measures implemented for the control of hydatidosis. Our main objective was to carry out a preliminary analysis of the genotypes of E. granulosus circulating in the central inland region of Portugal. Parasite samples (hydatid cysts, n=27) were isolated from the liver and lung of sheep and cattle. The DNA extracted from protoscoleces isolated from the fertile cysts served a template for the PCR amplification of part of the mitochondrial cytochrome c oxidase subunit 1 (cox1), ATP synthase F0 subunit 6 (atp6) as well as the large (rrnL/16S) and small (rrnS/12S) ribosomal RNA genes. Similarity searches with homologous sequences in the databanks indicated very high similarity with references assigned to the G1, G3 and/or G1-G3 complex of Echinococcus strains. Phylogenetic analysis (Bayesian approach) supported these observations, and confirmed the assignment of all the analyzed sequences to the G1-G3 genetic cluster. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010 2010-01-01T00:00:00Z 2011-03-04T15:21:16Z 2012-12-17T12:01:16Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.11/1592 |
url |
http://hdl.handle.net/10400.11/1592 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
BEATO, Sílvia Filipa Alves [et al.] (2010) - Apparent dominance of the G1-G3 genetic cluster of echinococcus granulosus strains in the central inland region of Portugal. Parasitology Internacional. ISSN 1383-5769. Vol. 59, nº 4. p. 638-642 1383-5769 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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repository.mail.fl_str_mv |
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1777301782917021696 |