Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | LOCUS Repositório Institucional da UFV |
Texto Completo: | http://dx.doi.org/10.1111/mec.12545 http://www.locus.ufv.br/handle/123456789/16111 |
Resumo: | The rust fungus, Puccinia psidii, is a devastating pathogen of introduced eucalypts (Eucalyptus spp.) in Brazil where it was first observed in 1912. This pathogen is hypothesized to be endemic to South and Central America and to have first infected eucalypts via a host jump from native guava (Psidium guajava). Ten microsatellite markers were used to genotype 148 P. psidii samples from eucalypts and guava plus five additional myrtaceous hosts across a wide geographic range of south-eastern Brazil and Uruguay. Principal coordinates analysis, a Bayesian clustering analysis and a minimum-spanning network revealed two major genetic clusters among the sampled isolates, one associated with guava and another associated with eucalypts and three additional hosts. Multilocus genotypes infecting guava differed by multiple mutational steps at eight loci compared with those infecting eucalypts. Approximate Bayesian computation revealed that evolutionary scenarios involving a coalescence event between guava- and eucalypt-associated pathogen populations within the past 1000 years are highly unlikely. None of the analyses supported the hypothesis that eucalypt-infecting P. psidii in Brazil originated via host jump from guava following the introduction of eucalypts to Brazil approximately 185 years ago. The existence of host-associated biotypes of P. psidii in Brazil indicates that this diversity must be considered when assessing the invasive threat posed by this pathogen to myrtaceous hosts worldwide. |
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Graça, Rodrigo N.Ross-Davis, Amy L.Klopfenstein, Ned B.Kim, Mee-SookPeever, Tobin L.Cannon, Phil G.Aun, Cristina P.Mizubuti, Eduardo S. G.Alfenas, Acelino C.2018-01-03T10:14:25Z2018-01-03T10:14:25Z2013-121755-0998http://dx.doi.org/10.1111/mec.12545http://www.locus.ufv.br/handle/123456789/16111The rust fungus, Puccinia psidii, is a devastating pathogen of introduced eucalypts (Eucalyptus spp.) in Brazil where it was first observed in 1912. This pathogen is hypothesized to be endemic to South and Central America and to have first infected eucalypts via a host jump from native guava (Psidium guajava). Ten microsatellite markers were used to genotype 148 P. psidii samples from eucalypts and guava plus five additional myrtaceous hosts across a wide geographic range of south-eastern Brazil and Uruguay. Principal coordinates analysis, a Bayesian clustering analysis and a minimum-spanning network revealed two major genetic clusters among the sampled isolates, one associated with guava and another associated with eucalypts and three additional hosts. Multilocus genotypes infecting guava differed by multiple mutational steps at eight loci compared with those infecting eucalypts. Approximate Bayesian computation revealed that evolutionary scenarios involving a coalescence event between guava- and eucalypt-associated pathogen populations within the past 1000 years are highly unlikely. None of the analyses supported the hypothesis that eucalypt-infecting P. psidii in Brazil originated via host jump from guava following the introduction of eucalypts to Brazil approximately 185 years ago. The existence of host-associated biotypes of P. psidii in Brazil indicates that this diversity must be considered when assessing the invasive threat posed by this pathogen to myrtaceous hosts worldwide.engMolecular Ecologyv. 22, n. 24, p. 6033-6047, December 2013Population structureEmerging diseaseHost jumpMicrosatellitePathogen diversityRust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazilinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfinfo:eu-repo/semantics/openAccessreponame:LOCUS Repositório Institucional da UFVinstname:Universidade Federal de Viçosa (UFV)instacron:UFVORIGINALGra-a_et_al-2013-Molecular_Ecology.pdfGra-a_et_al-2013-Molecular_Ecology.pdftexto completoapplication/pdf837404https://locus.ufv.br//bitstream/123456789/16111/1/Gra-a_et_al-2013-Molecular_Ecology.pdf90c09b02ea475ba70208c35ad1bcd19eMD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://locus.ufv.br//bitstream/123456789/16111/2/license.txt8a4605be74aa9ea9d79846c1fba20a33MD52THUMBNAILGra-a_et_al-2013-Molecular_Ecology.pdf.jpgGra-a_et_al-2013-Molecular_Ecology.pdf.jpgIM Thumbnailimage/jpeg4597https://locus.ufv.br//bitstream/123456789/16111/3/Gra-a_et_al-2013-Molecular_Ecology.pdf.jpg2c796a63f95a918d5658ed41c796e47dMD53123456789/161112018-01-03 22:00:43.458oai:locus.ufv.br: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Repositório InstitucionalPUBhttps://www.locus.ufv.br/oai/requestfabiojreis@ufv.bropendoar:21452018-01-04T01:00:43LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)false |
dc.title.en.fl_str_mv |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil |
title |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil |
spellingShingle |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil Graça, Rodrigo N. Population structure Emerging disease Host jump Microsatellite Pathogen diversity |
title_short |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil |
title_full |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil |
title_fullStr |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil |
title_full_unstemmed |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil |
title_sort |
Rust disease of eucalyptus, caused by Puccinia psidii, did not originate via host jump from guava in Brazil |
author |
Graça, Rodrigo N. |
author_facet |
Graça, Rodrigo N. Ross-Davis, Amy L. Klopfenstein, Ned B. Kim, Mee-Sook Peever, Tobin L. Cannon, Phil G. Aun, Cristina P. Mizubuti, Eduardo S. G. Alfenas, Acelino C. |
author_role |
author |
author2 |
Ross-Davis, Amy L. Klopfenstein, Ned B. Kim, Mee-Sook Peever, Tobin L. Cannon, Phil G. Aun, Cristina P. Mizubuti, Eduardo S. G. Alfenas, Acelino C. |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Graça, Rodrigo N. Ross-Davis, Amy L. Klopfenstein, Ned B. Kim, Mee-Sook Peever, Tobin L. Cannon, Phil G. Aun, Cristina P. Mizubuti, Eduardo S. G. Alfenas, Acelino C. |
dc.subject.pt-BR.fl_str_mv |
Population structure Emerging disease Host jump Microsatellite Pathogen diversity |
topic |
Population structure Emerging disease Host jump Microsatellite Pathogen diversity |
description |
The rust fungus, Puccinia psidii, is a devastating pathogen of introduced eucalypts (Eucalyptus spp.) in Brazil where it was first observed in 1912. This pathogen is hypothesized to be endemic to South and Central America and to have first infected eucalypts via a host jump from native guava (Psidium guajava). Ten microsatellite markers were used to genotype 148 P. psidii samples from eucalypts and guava plus five additional myrtaceous hosts across a wide geographic range of south-eastern Brazil and Uruguay. Principal coordinates analysis, a Bayesian clustering analysis and a minimum-spanning network revealed two major genetic clusters among the sampled isolates, one associated with guava and another associated with eucalypts and three additional hosts. Multilocus genotypes infecting guava differed by multiple mutational steps at eight loci compared with those infecting eucalypts. Approximate Bayesian computation revealed that evolutionary scenarios involving a coalescence event between guava- and eucalypt-associated pathogen populations within the past 1000 years are highly unlikely. None of the analyses supported the hypothesis that eucalypt-infecting P. psidii in Brazil originated via host jump from guava following the introduction of eucalypts to Brazil approximately 185 years ago. The existence of host-associated biotypes of P. psidii in Brazil indicates that this diversity must be considered when assessing the invasive threat posed by this pathogen to myrtaceous hosts worldwide. |
publishDate |
2013 |
dc.date.issued.fl_str_mv |
2013-12 |
dc.date.accessioned.fl_str_mv |
2018-01-03T10:14:25Z |
dc.date.available.fl_str_mv |
2018-01-03T10:14:25Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
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article |
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publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1111/mec.12545 http://www.locus.ufv.br/handle/123456789/16111 |
dc.identifier.issn.none.fl_str_mv |
1755-0998 |
identifier_str_mv |
1755-0998 |
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http://dx.doi.org/10.1111/mec.12545 http://www.locus.ufv.br/handle/123456789/16111 |
dc.language.iso.fl_str_mv |
eng |
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eng |
dc.relation.ispartofseries.pt-BR.fl_str_mv |
v. 22, n. 24, p. 6033-6047, December 2013 |
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Molecular Ecology |
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Molecular Ecology |
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