Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination

Neira, V. - Ramos, Natalia - Tapia, R. - Arbiza, Juan - Neira-Carrillo, A. - Quezada, M. - Ruiz, Á. - Bucarey, S. A.

Resumen:

Background: Porcine circovirus type 2 (PCV2) is a very small, non-enveloped and icosahedral virus, with circular single stranded DNA genome. This virus is the most ubiquitous and persistent pathogen currently affecting the swine industry worldwide. PCV2 has been implicated as the major causative agent of postweaning multisystemic wasting syndrome (PMWS), a disease which is characterized by severe immunosuppressive effects in the porcine host. Worldwide PCV2 isolates have been classified into four different genotypes, PCV2a, PCV2b, PCV2c and PCVd. The goal of this work was to conduct the first phylogenetic analysis of PCV2 in Chile. Methods: PCV2 partial ORF2 sequences (462 nt) obtained from 29 clinical cases of PMWS in 22 Chilean intensive swine farms, covering over the 90% of the local pork-production, were analyzed. Results: 14% and 52% of sequences belonged to the genotypes PCV2a and PCV2b, respectively. Surprisingly, 34% of sequences were PCV2a/PCV2d recombinant viruses. Conclusions: Our findings suggested that a novel cluster of Chilean sequences emerged resulting from intergenotypic recombination between PCV2a and PCV2d.


Detalles Bibliográficos
2017
Genetic diversity
PCV2
PMWS
Recombination
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/22080
Acceso abierto
Licencia Creative Commons Atribución (CC –BY 4.0)
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author Neira, V.
author2 Ramos, Natalia
Tapia, R.
Arbiza, Juan
Neira-Carrillo, A.
Quezada, M.
Ruiz, Á.
Bucarey, S. A.
author2_role author
author
author
author
author
author
author
author_facet Neira, V.
Ramos, Natalia
Tapia, R.
Arbiza, Juan
Neira-Carrillo, A.
Quezada, M.
Ruiz, Á.
Bucarey, S. A.
author_role author
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collection COLIBRI
dc.contributor.filiacion.es.fl_str_mv Ramos, Natalia. Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Química Biológica
Arbiza, Juan. Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología
dc.creator.none.fl_str_mv Neira, V.
Ramos, Natalia
Tapia, R.
Arbiza, Juan
Neira-Carrillo, A.
Quezada, M.
Ruiz, Á.
Bucarey, S. A.
dc.date.accessioned.none.fl_str_mv 2019-10-02T22:14:46Z
dc.date.available.none.fl_str_mv 2019-10-02T22:14:46Z
dc.date.issued.es.fl_str_mv 2017
dc.date.submitted.es.fl_str_mv 20191001
dc.description.abstract.none.fl_txt_mv Background: Porcine circovirus type 2 (PCV2) is a very small, non-enveloped and icosahedral virus, with circular single stranded DNA genome. This virus is the most ubiquitous and persistent pathogen currently affecting the swine industry worldwide. PCV2 has been implicated as the major causative agent of postweaning multisystemic wasting syndrome (PMWS), a disease which is characterized by severe immunosuppressive effects in the porcine host. Worldwide PCV2 isolates have been classified into four different genotypes, PCV2a, PCV2b, PCV2c and PCVd. The goal of this work was to conduct the first phylogenetic analysis of PCV2 in Chile. Methods: PCV2 partial ORF2 sequences (462 nt) obtained from 29 clinical cases of PMWS in 22 Chilean intensive swine farms, covering over the 90% of the local pork-production, were analyzed. Results: 14% and 52% of sequences belonged to the genotypes PCV2a and PCV2b, respectively. Surprisingly, 34% of sequences were PCV2a/PCV2d recombinant viruses. Conclusions: Our findings suggested that a novel cluster of Chilean sequences emerged resulting from intergenotypic recombination between PCV2a and PCV2d.
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dc.identifier.citation.es.fl_str_mv Neira, V., et al. Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination. Virology Journal, 2017, 14 (1), art. no. 191. doi: 10.1186/s12985-017-0850-1
dc.identifier.doi.es.fl_str_mv 10.1186/s12985-017-0850-1
dc.identifier.issn.es.fl_str_mv 1743-422X
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/22080
dc.language.iso.none.fl_str_mv en
eng
dc.publisher.es.fl_str_mv BioMed Central Ltd.
dc.relation.ispartof.es.fl_str_mv Virology Journal, 2017, 14 (1), art. no. 191
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución (CC –BY 4.0)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.subject.es.fl_str_mv Genetic diversity
PCV2
PMWS
Recombination
dc.title.none.fl_str_mv Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
dc.type.es.fl_str_mv Artículo
dc.type.none.fl_str_mv info:eu-repo/semantics/article
dc.type.version.none.fl_str_mv info:eu-repo/semantics/publishedVersion
description Background: Porcine circovirus type 2 (PCV2) is a very small, non-enveloped and icosahedral virus, with circular single stranded DNA genome. This virus is the most ubiquitous and persistent pathogen currently affecting the swine industry worldwide. PCV2 has been implicated as the major causative agent of postweaning multisystemic wasting syndrome (PMWS), a disease which is characterized by severe immunosuppressive effects in the porcine host. Worldwide PCV2 isolates have been classified into four different genotypes, PCV2a, PCV2b, PCV2c and PCVd. The goal of this work was to conduct the first phylogenetic analysis of PCV2 in Chile. Methods: PCV2 partial ORF2 sequences (462 nt) obtained from 29 clinical cases of PMWS in 22 Chilean intensive swine farms, covering over the 90% of the local pork-production, were analyzed. Results: 14% and 52% of sequences belonged to the genotypes PCV2a and PCV2b, respectively. Surprisingly, 34% of sequences were PCV2a/PCV2d recombinant viruses. Conclusions: Our findings suggested that a novel cluster of Chilean sequences emerged resulting from intergenotypic recombination between PCV2a and PCV2d.
eu_rights_str_mv openAccess
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identifier_str_mv Neira, V., et al. Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination. Virology Journal, 2017, 14 (1), art. no. 191. doi: 10.1186/s12985-017-0850-1
1743-422X
10.1186/s12985-017-0850-1
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publishDate 2017
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repository.mail.fl_str_mv mabel.seroubian@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
repository_id_str 4771
rights_invalid_str_mv Licencia Creative Commons Atribución (CC –BY 4.0)
spelling Ramos, Natalia. Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Química BiológicaArbiza, Juan. Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología2019-10-02T22:14:46Z2019-10-02T22:14:46Z201720191001Neira, V., et al. Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination. Virology Journal, 2017, 14 (1), art. no. 191. doi: 10.1186/s12985-017-0850-11743-422Xhttps://hdl.handle.net/20.500.12008/2208010.1186/s12985-017-0850-1Background: Porcine circovirus type 2 (PCV2) is a very small, non-enveloped and icosahedral virus, with circular single stranded DNA genome. This virus is the most ubiquitous and persistent pathogen currently affecting the swine industry worldwide. PCV2 has been implicated as the major causative agent of postweaning multisystemic wasting syndrome (PMWS), a disease which is characterized by severe immunosuppressive effects in the porcine host. Worldwide PCV2 isolates have been classified into four different genotypes, PCV2a, PCV2b, PCV2c and PCVd. The goal of this work was to conduct the first phylogenetic analysis of PCV2 in Chile. Methods: PCV2 partial ORF2 sequences (462 nt) obtained from 29 clinical cases of PMWS in 22 Chilean intensive swine farms, covering over the 90% of the local pork-production, were analyzed. Results: 14% and 52% of sequences belonged to the genotypes PCV2a and PCV2b, respectively. Surprisingly, 34% of sequences were PCV2a/PCV2d recombinant viruses. Conclusions: Our findings suggested that a novel cluster of Chilean sequences emerged resulting from intergenotypic recombination between PCV2a and PCV2d.Made available in DSpace on 2019-10-02T22:14:46Z (GMT). No. of bitstreams: 5 101186s1298501708501.pdf: 908297 bytes, checksum: 32b2332eeacec8703c13ed122a495835 (MD5) license_text: 38297 bytes, checksum: 4fe6ac477f5a2df0424a5ff1a9bf000c (MD5) license_url: 44 bytes, checksum: a0ebbeafb9d2ec7cbb19d7137ebc392c (MD5) license_rdf: 8067 bytes, checksum: bc1bc9659a4a06e9516479a5adfd8b0e (MD5) license.txt: 4194 bytes, checksum: 7f2e2c17ef6585de66da58d1bfa8b5e1 (MD5) Previous issue date: 2017application/pdfenengBioMed Central Ltd.Virology Journal, 2017, 14 (1), art. no. 191Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad De La República. (Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC –BY 4.0)Genetic diversityPCV2PMWSRecombinationGenetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombinationArtículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaNeira, V.Ramos, NataliaTapia, R.Arbiza, JuanNeira-Carrillo, A.Quezada, M.Ruiz, Á.Bucarey, S. 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- Universidad de la Repúblicafalse
spellingShingle Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
Neira, V.
Genetic diversity
PCV2
PMWS
Recombination
status_str publishedVersion
title Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
title_full Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
title_fullStr Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
title_full_unstemmed Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
title_short Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
title_sort Genetic analysis of porcine circovirus type 2 from pigs affected with PMWS in Chile reveals intergenotypic recombination
topic Genetic diversity
PCV2
PMWS
Recombination
url https://hdl.handle.net/20.500.12008/22080