ArticleBMC plant biology2015
Abscisic acid negatively interferes with basal defence of barley against Magnaporthe oryzae.
Article in BMC plant biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 61 citations in OpenAlex.
- Transcriptome Analysis Reveals Calcium-Induced Defense Response in Barley AgainstInternational journal of molecular sciences · 2026Article
- FL7 is an ancient ABA-independent inhibitor of PP2C-As regulating plant stress responses.Nature communications · 2025Article
- An3 Biotech · 2025Article
- Cloning and Functional Analysis of CsROP5 and CsROP10 Genes Involved in Cucumber Resistance toBiology · 2024Article
- Plant biomarkers as early detection tools in stress management in food crops: a review.Planta · 2024Review
- Multiplexed Host-Induced Gene Silencing ofToxins · 2023Article
- Interplay between phytohormone signalling pathways in plant defence - other than salicylic acid and jasmonic acid.Essays in biochemistry · 2022Article
- Abscisic Acid-Defensive Player in Flax Response toMolecules (Basel, Switzerland) · 2022Article
- Linking Multi-Omics to Wheat Resistance Types toInternational journal of molecular sciences · 2022Review
- Abscisic acid implicated in differential plant responses of Phaseolus vulgaris during endophytic colonization by Metarhizium and pathogenic colonization by Fusarium.Scientific reports · 2021Article
- Abscisic Acid-Induced Stomatal Closure: An Important Component of Plant Defense Against Abiotic and Biotic Stress.Frontiers in plant science · 2021Review
- Transcriptome Analysis Identified Coordinated Control of Key Pathways Regulating Cellular Physiology and Metabolism uponJournal of fungi (Basel, Switzerland) · 2020Article
- Aspergillus alliaceus infection fatally shifts Orobanche hormones and phenolic metabolism.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2020Article
- Abscisic Acid-Enemy or Savior in the Response of Cereals to Abiotic and Biotic Stresses?International journal of molecular sciences · 2020Review
- Article
- Salicylic Acid as a Safe Plant Protector and Growth Regulator.The plant pathology journal · 2020Review
- Mildew Resistance Locus O GenesInternational journal of molecular sciences · 2019Article
- Abscisic acid is a substrate of the ABC transporter encoded by the durable wheat disease resistance gene Lr34.The New phytologist · 2019Article
- Chemical genetic identification of a lectin receptor kinase that transduces immune responses and interferes with abscisic acid signaling.The Plant journal : for cell and molecular biology · 2019Article
- NAC transcription factor ONAC066 positively regulates disease resistance by suppressing the ABA signaling pathway in rice.Plant molecular biology · 2018Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPlant hormones are well known regulators which balance plant responses to abiotic and biotic stresses. We investigated the role of abscisic acid (ABA) in resistance of barley (Hordeum vulgare L.) against the plant pathogenic fungus Magnaporthe oryzae.
resultsExogenous application of ABA prior to inoculation with M. oryzae led to more disease symptoms on barley leaves. This result contrasted the finding that ABA application enhances resistance of barley against the powdery mildew fungus. Microscopic analysis identified diminished penetration resistance as cause for enhanced susceptibility. Consistently, the barley mutant Az34, impaired in ABA biosynthesis, was less susceptible to infection by M. oryzae and displayed elevated penetration resistance as compared to the isogenic wild type cultivar Steptoe. Chemical complementation of Az34 mutant plants by exogenous application of ABA re-established disease severity to the wild type level. The role of ABA in susceptibility of barley against M. oryzae was corroborated by showing that ABA application led to increased disease severity in all barley cultivars under investigation except for the most susceptible cultivar Pallas. Interestingly, endogenous ABA concentrations did not significantly change after infection of barley with M. oryzae.
conclusionOur results revealed that elevated ABA levels led to a higher disease severity on barley leaves to M. oryzae. This supports earlier reports on the role of ABA in enhancing susceptibility of rice to the same pathogen and thereby demonstrates a host plant-independent function of this phytohormone in pathogenicity of monocotyledonous plants against M. oryzae.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.