Contribution of cell wall peroxidase- and NADPH oxidase-derived reactive oxygen species to Alternaria brassicicola-induced oxidative burst in Arabidopsis.

Alternaria / pathogenicity Arabidopsis / metabolism Arabidopsis Proteins / metabolism Cell Wall / metabolism Gene Expression Regulation, Plant NADPH Oxidases / metabolism Peroxidase / metabolism Reactive Oxygen Species / metabolism
Alternaria Arabidopsis ERECTA JAR1 NHO1 VIGS cell wall peroxidase

Journal

Molecular plant pathology
ISSN: 1364-3703
Titre abrégé: Mol Plant Pathol
Pays: England
ID NLM: 100954969

Informations de publication

Date de publication:
04 2019
Historique:
pubmed: 15 11 2018
medline: 31 3 2020
entrez: 15 11 2018
Statut: ppublish

Résumé

Cell wall peroxidases and plasma membrane-localized NADPH oxidases are considered to be the main sources of the apoplastic oxidative burst in plants attacked by microbial pathogens. In spite of this established doctrine, approaches attempting a comparative, side-by-side analysis of the functions of extracellular reactive oxygen species (ROS) generated by the two enzymatic sources are scarce. Previously, we have reported the role of Arabidopsis NADPH oxidase RBOHD (respiratory burst oxidase homologue D) in plants challenged with the necrotrophic fungus Alternaria brassicicola. Here, we present results on the activity of apoplastic class III peroxidases PRX33 (At3g49110) and PRX34 (At3g49120) investigated in the same Arabidopsis-Alternaria pathosystem. ROS generated by Arabidopsis peroxidases PRX33 and PRX34 increase the necrotic symptoms and colonization success of A. brassicicola. In addition, the knockdown of PRX33 and PRX34 transcript levels leads to a reduced number of host cells showing an extracellular burst of ROS after inoculation with A. brassicicola. Our results also reveal an age-dependent transcript distribution of ROS-producing peroxidase and NADPH oxidase enzymes, and some potential new components of the RBOHD, PRX33 and PRX34 signalling networks.

Identifiants

DOI: 10.1111/mpp.12769 PMID: 30426643 PMC: PMC6637864
pubmed: 30426643
doi: 10.1111/mpp.12769
pmc: PMC6637864
doi:

Substances chimiques

Arabidopsis Proteins 0
Reactive Oxygen Species 0
Peroxidase EC 1.11.1.7
NADPH Oxidases EC 1.6.3.-
NADPH-oxidase, Arabidopsis EC 1.6.3.1

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

485-499

Informations de copyright

© 2018 The Authors. Molecular Plant Pathology published by BSPP and John Wiley & Sons Ltd.

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Auteurs

Evelin Kámán-Tóth (E)

Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, H-1022, Budapest, Herman Ottó út 15, Hungary.

Tamás Dankó (T)

Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, H-1022, Budapest, Herman Ottó út 15, Hungary.

Gábor Gullner (G)

Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, H-1022, Budapest, Herman Ottó út 15, Hungary.

Zoltán Bozsó (Z)

Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, H-1022, Budapest, Herman Ottó út 15, Hungary.

László Palkovics (L)

Szent István University, Faculty of Horticultural Science, H-1118, Budapest, Villányi út 29-43, Hungary.

Miklós Pogány (M)

Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, H-1022, Budapest, Herman Ottó út 15, Hungary.

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Classifications MeSH

questionsmedicales.fr › Eucaryotes › Champignons › Deuteromycota › Alternaria › Contribution of cell wall peroxidase- and...
questionsmedicales.fr › Eucaryotes › Viridiplantae › Streptophyta › Embryophyta › Tracheobionta › Magnoliopsida › Brassicaceae › Arabidopsis › Contribution of cell wall peroxidase- and...
questionsmedicales.fr › Acides aminés, peptides et protéines › Protéines › Protéines végétales › Protéines d'Arabidopsis › Contribution of cell wall peroxidase- and...
questionsmedicales.fr › Cellules › Structures cellulaires › Paroi cellulaire › Contribution of cell wall peroxidase- and...
questionsmedicales.fr › Phénomènes génétiques › Régulation de l'expression des gènes › Régulation de l'expression des gènes végétaux › Contribution of cell wall peroxidase- and...
questionsmedicales.fr › Acides aminés, peptides et protéines › Protéines › Protéines membranaires › NADPH oxidase › Contribution of cell wall peroxidase- and...
questionsmedicales.fr › Enzymes et coenzymes › Enzymes › Oxidoreductases › Peroxidases › Myeloperoxidase › Contribution of cell wall peroxidase- and...
questionsmedicales.fr › Produits chimiques inorganiques › Composés de l'oxygène › Espèces réactives de l'oxygène › Contribution of cell wall peroxidase- and...