Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated Resistance

The pepper mild mottle virus (PMMoV-S) (an L3 hypersensitive response [HR]-inducer strain) coat protein was expressed in Capsicum chinense (L3L3) plants with the heterologous potato virus X (PVX)-based expression system. The chimeric virus was localized in the inoculated leaves and induced the HR, t...

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Main Authors: P. Gilardi, I. García-Luque, M. T. Serra
Format: Article
Language:English
Published: The American Phytopathological Society 1998-12-01
Series:Molecular Plant-Microbe Interactions
Online Access:https://apsjournals.apsnet.org/doi/10.1094/MPMI.1998.11.12.1253
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author P. Gilardi
I. García-Luque
M. T. Serra
author_facet P. Gilardi
I. García-Luque
M. T. Serra
author_sort P. Gilardi
collection DOAJ
description The pepper mild mottle virus (PMMoV-S) (an L3 hypersensitive response [HR]-inducer strain) coat protein was expressed in Capsicum chinense (L3L3) plants with the heterologous potato virus X (PVX)-based expression system. The chimeric virus was localized in the inoculated leaves and induced the HR, thus indicating that the tobamoviral sequences that affect induction of the HR conferred by the L3 resistance gene reside in the coat protein gene. Furthermore, transient expression of the PMMoV-S coat protein in C. chinense leaves by biolistic co-bombardment with a plasmid expressing the β-glucuronidase (GUS) gene leads to the induction of cell death and expression of host defense genes. Thus, the coat protein of PMMoV-S is the elicitor of the Capsicum spp. L3 resistance gene-mediated HR.
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spelling doaj.art-513a4a765bfe40a084570dfa56b1a2682022-12-22T03:18:24ZengThe American Phytopathological SocietyMolecular Plant-Microbe Interactions0894-02821943-77061998-12-0111121253125710.1094/MPMI.1998.11.12.1253Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated ResistanceP. GilardiI. García-LuqueM. T. SerraThe pepper mild mottle virus (PMMoV-S) (an L3 hypersensitive response [HR]-inducer strain) coat protein was expressed in Capsicum chinense (L3L3) plants with the heterologous potato virus X (PVX)-based expression system. The chimeric virus was localized in the inoculated leaves and induced the HR, thus indicating that the tobamoviral sequences that affect induction of the HR conferred by the L3 resistance gene reside in the coat protein gene. Furthermore, transient expression of the PMMoV-S coat protein in C. chinense leaves by biolistic co-bombardment with a plasmid expressing the β-glucuronidase (GUS) gene leads to the induction of cell death and expression of host defense genes. Thus, the coat protein of PMMoV-S is the elicitor of the Capsicum spp. L3 resistance gene-mediated HR.https://apsjournals.apsnet.org/doi/10.1094/MPMI.1998.11.12.1253
spellingShingle P. Gilardi
I. García-Luque
M. T. Serra
Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated Resistance
Molecular Plant-Microbe Interactions
title Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated Resistance
title_full Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated Resistance
title_fullStr Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated Resistance
title_full_unstemmed Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated Resistance
title_short Pepper Mild Mottle Virus Coat Protein Alone Can Elicit the Capsicum spp. L3 Gene-Mediated Resistance
title_sort pepper mild mottle virus coat protein alone can elicit the capsicum spp l3 gene mediated resistance
url https://apsjournals.apsnet.org/doi/10.1094/MPMI.1998.11.12.1253
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