The energy sensor OsSnRK1a confers broad-spectrum disease resistance in rice

Sucrose non-fermenting-1-related protein kinase-1 (SnRK1) belongs to a family of evolutionary conserved kinases with orthologs in all eukaryotes, ranging from yeasts (SnF1) to mammals (AMP-Activated kinase). These kinases sense energy deficits caused by nutrient limitation or stress and coordinate t...

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Vydané v:Scientific reports Ročník 8; číslo 1; s. 3864 - 12
Hlavní autori: Filipe, Osvaldo, De Vleesschauwer, David, Haeck, Ashley, Demeestere, Kristof, Höfte, Monica
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: London Nature Publishing Group UK 01.03.2018
Nature Publishing Group
Nature Portfolio
Predmet:
38/39
38/89
631/326/421
631/449/2169/2674
Adaptation
Adaptation, Physiological - genetics
Adaptation, Physiological - immunology
AMP
Cyclopentanes - metabolism
Disease resistance
Disease Resistance - genetics
Energy balance
Evolutionary conservation
Fungi
Gene Expression Regulation, Plant
Homeostasis
Humanities and Social Sciences
Inoculation
Jasmonic acid
Kinases
multidisciplinary
Oryza
Oryza - genetics
Oryza - immunology
Oryza - metabolism
Oxylipins - metabolism
Plant Diseases - immunology
Plant Immunity
Plant metabolism
Plant Proteins - genetics
Plant Proteins - immunology
Plant Proteins - metabolism
Plants, Genetically Modified
Protein kinase
Protein Serine-Threonine Kinases - genetics
Protein Serine-Threonine Kinases - immunology
Protein Serine-Threonine Kinases - metabolism
Rice blast
RNA-mediated interference
Salicylic acid
Salicylic Acid - metabolism
Science
Science (multidisciplinary)
Sucrose
Yeast
ISSN:2045-2322, 2045-2322
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Popis
Shrnutí:Sucrose non-fermenting-1-related protein kinase-1 (SnRK1) belongs to a family of evolutionary conserved kinases with orthologs in all eukaryotes, ranging from yeasts (SnF1) to mammals (AMP-Activated kinase). These kinases sense energy deficits caused by nutrient limitation or stress and coordinate the required adaptations to maintain energy homeostasis and survival. In plants, SnRK1 is a global regulator of plant metabolism and is also involved in abiotic stress responses. Its role in the response to biotic stress, however, is only starting to be uncovered. Here we studied the effect of altered SnRK1a expression on growth and plant defense in rice. OsSnRK1a overexpression interfered with normal growth and development and increased resistance against both (hemi)biotrophic and necrotrophic pathogens, while OsSnRK1a silencing in RNAi lines increased susceptibility. OsSnRK1a overexpression positively affected the salicylic acid pathway and boosted the jasmonate-mediated defense response after inoculation with the blast fungus Pyricularia oryzae . Together these findings strongly suggest OsSnRK1a to be involved in plant basal immunity and favor a model whereby OsSnRK1a acts as a master switch that regulates growth-immunity trade-offs.
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-018-22101-6