Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum
- Autores
- Conti, Gabriela; Rodriguez, Maria Cecilia; Manacorda, C. A.; Asurmendi, Sebastian
- Año de publicación
- 2012
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Plant viruses cause metabolic and physiological changes associated with symptomatic disease phenotypes. Symptoms involve direct and indirect effects, which result in disruption of host physiology. We used transgenic tobacco expressing a variant of Tobacco mosaic virus (TMV) coat protein (CPT42W) or movement protein (MP), and a hybrid line (MP×CPT42W) that coexpresses both proteins, to study the plant response to individual viral proteins. Findings employing microarray analysis of MP×CPT42W plants and silenced mp×cpT42W* controls revealed that altered transcripts were mostly downregulated, suggesting a persistent shut-off due to MP×CPT42W expression. Next, we showed that MP triggered reactive oxygen species (ROS) accumulation, reduction of total ascorbate, and expression of ROS scavenging genes. These effects were enhanced when both proteins were coexpressed. MP and MP×CPT42W plants showed increased levels of salicylic acid (SA) and SA-responsive gene expression. Furthermore, these effects were partially reproduced in Nicotiana benthamiana when GMP1 transcript was silenced. CPT42W seems to be playing a negative role in the defense response by reducing the expression of PR-1 and RDR-1. MP and MP×CPT42W transgenic expression promoted a recovery-like phenotype in TMV RNA infections and enhanced susceptibility to Pseudomonas syringae and Sclerotinia sclerotiorum. The individual effects of viral proteins may reflect the ability of a virus to balance its own virulence.
Fil: Conti, Gabriela. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Rodriguez, Maria Cecilia. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Manacorda, C. A.. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina
Fil: Asurmendi, Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina - Materia
-
Tobacco
TMV
Stress
Defense - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/197926
Ver los metadatos del registro completo
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network_name_str |
CONICET Digital (CONICET) |
spelling |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacumConti, GabrielaRodriguez, Maria CeciliaManacorda, C. A.Asurmendi, SebastianTobaccoTMVStressDefensehttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Plant viruses cause metabolic and physiological changes associated with symptomatic disease phenotypes. Symptoms involve direct and indirect effects, which result in disruption of host physiology. We used transgenic tobacco expressing a variant of Tobacco mosaic virus (TMV) coat protein (CPT42W) or movement protein (MP), and a hybrid line (MP×CPT42W) that coexpresses both proteins, to study the plant response to individual viral proteins. Findings employing microarray analysis of MP×CPT42W plants and silenced mp×cpT42W* controls revealed that altered transcripts were mostly downregulated, suggesting a persistent shut-off due to MP×CPT42W expression. Next, we showed that MP triggered reactive oxygen species (ROS) accumulation, reduction of total ascorbate, and expression of ROS scavenging genes. These effects were enhanced when both proteins were coexpressed. MP and MP×CPT42W plants showed increased levels of salicylic acid (SA) and SA-responsive gene expression. Furthermore, these effects were partially reproduced in Nicotiana benthamiana when GMP1 transcript was silenced. CPT42W seems to be playing a negative role in the defense response by reducing the expression of PR-1 and RDR-1. MP and MP×CPT42W transgenic expression promoted a recovery-like phenotype in TMV RNA infections and enhanced susceptibility to Pseudomonas syringae and Sclerotinia sclerotiorum. The individual effects of viral proteins may reflect the ability of a virus to balance its own virulence.Fil: Conti, Gabriela. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Rodriguez, Maria Cecilia. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Manacorda, C. A.. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; ArgentinaFil: Asurmendi, Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; ArgentinaAmerican Phytopathological Society2012-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/197926Conti, Gabriela; Rodriguez, Maria Cecilia; Manacorda, C. A.; Asurmendi, Sebastian; Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum; American Phytopathological Society; Molecular Plant-Microbe Interactions; 25; 10; 10-2012; 1370-13840894-0282CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1094/MPMI-03-12-0075-Rinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:07:03Zoai:ri.conicet.gov.ar:11336/197926instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:07:03.414CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum |
title |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum |
spellingShingle |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum Conti, Gabriela Tobacco TMV Stress Defense |
title_short |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum |
title_full |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum |
title_fullStr |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum |
title_full_unstemmed |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum |
title_sort |
Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum |
dc.creator.none.fl_str_mv |
Conti, Gabriela Rodriguez, Maria Cecilia Manacorda, C. A. Asurmendi, Sebastian |
author |
Conti, Gabriela |
author_facet |
Conti, Gabriela Rodriguez, Maria Cecilia Manacorda, C. A. Asurmendi, Sebastian |
author_role |
author |
author2 |
Rodriguez, Maria Cecilia Manacorda, C. A. Asurmendi, Sebastian |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
Tobacco TMV Stress Defense |
topic |
Tobacco TMV Stress Defense |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Plant viruses cause metabolic and physiological changes associated with symptomatic disease phenotypes. Symptoms involve direct and indirect effects, which result in disruption of host physiology. We used transgenic tobacco expressing a variant of Tobacco mosaic virus (TMV) coat protein (CPT42W) or movement protein (MP), and a hybrid line (MP×CPT42W) that coexpresses both proteins, to study the plant response to individual viral proteins. Findings employing microarray analysis of MP×CPT42W plants and silenced mp×cpT42W* controls revealed that altered transcripts were mostly downregulated, suggesting a persistent shut-off due to MP×CPT42W expression. Next, we showed that MP triggered reactive oxygen species (ROS) accumulation, reduction of total ascorbate, and expression of ROS scavenging genes. These effects were enhanced when both proteins were coexpressed. MP and MP×CPT42W plants showed increased levels of salicylic acid (SA) and SA-responsive gene expression. Furthermore, these effects were partially reproduced in Nicotiana benthamiana when GMP1 transcript was silenced. CPT42W seems to be playing a negative role in the defense response by reducing the expression of PR-1 and RDR-1. MP and MP×CPT42W transgenic expression promoted a recovery-like phenotype in TMV RNA infections and enhanced susceptibility to Pseudomonas syringae and Sclerotinia sclerotiorum. The individual effects of viral proteins may reflect the ability of a virus to balance its own virulence. Fil: Conti, Gabriela. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Rodriguez, Maria Cecilia. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Manacorda, C. A.. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina Fil: Asurmendi, Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina |
description |
Plant viruses cause metabolic and physiological changes associated with symptomatic disease phenotypes. Symptoms involve direct and indirect effects, which result in disruption of host physiology. We used transgenic tobacco expressing a variant of Tobacco mosaic virus (TMV) coat protein (CPT42W) or movement protein (MP), and a hybrid line (MP×CPT42W) that coexpresses both proteins, to study the plant response to individual viral proteins. Findings employing microarray analysis of MP×CPT42W plants and silenced mp×cpT42W* controls revealed that altered transcripts were mostly downregulated, suggesting a persistent shut-off due to MP×CPT42W expression. Next, we showed that MP triggered reactive oxygen species (ROS) accumulation, reduction of total ascorbate, and expression of ROS scavenging genes. These effects were enhanced when both proteins were coexpressed. MP and MP×CPT42W plants showed increased levels of salicylic acid (SA) and SA-responsive gene expression. Furthermore, these effects were partially reproduced in Nicotiana benthamiana when GMP1 transcript was silenced. CPT42W seems to be playing a negative role in the defense response by reducing the expression of PR-1 and RDR-1. MP and MP×CPT42W transgenic expression promoted a recovery-like phenotype in TMV RNA infections and enhanced susceptibility to Pseudomonas syringae and Sclerotinia sclerotiorum. The individual effects of viral proteins may reflect the ability of a virus to balance its own virulence. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-10 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/197926 Conti, Gabriela; Rodriguez, Maria Cecilia; Manacorda, C. A.; Asurmendi, Sebastian; Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum; American Phytopathological Society; Molecular Plant-Microbe Interactions; 25; 10; 10-2012; 1370-1384 0894-0282 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/197926 |
identifier_str_mv |
Conti, Gabriela; Rodriguez, Maria Cecilia; Manacorda, C. A.; Asurmendi, Sebastian; Transgenic expression of tobacco mosaic virus capsid and movement proteins modulate plant basal defense and biotic stress responses in Nicotiana tabacum; American Phytopathological Society; Molecular Plant-Microbe Interactions; 25; 10; 10-2012; 1370-1384 0894-0282 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1094/MPMI-03-12-0075-R |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
American Phytopathological Society |
publisher.none.fl_str_mv |
American Phytopathological Society |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
_version_ |
1844613925652398080 |
score |
13.070432 |