ArticleMolecular genetics and genomics : MGG2014
Phylogenetic analysis of barley WRKY proteins and characterization of HvWRKY1 and -2 as repressors of the pathogen-inducible gene HvGER4c.
Article in Molecular genetics and genomics : MGG, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 50 citations in OpenAlex.
- ZmWRKY104-ZmCCaMK interaction enhances brassinosteroid-promoted salt tolerance in maize (Plant signaling & behavior · 2026Article
- Characteristics and Expression Profiles of IdentifiedInternational journal of molecular sciences · 2025Article
- Pleiotropic effects of barley BLADE-ON-PETIOLE gene Uniculme4 on plant architecture and the jasmonic acid pathway.Journal of experimental botany · 2025Article
- The WRKY Family Transcription Factor GmWRKY72 Represses Glyceollin Phytoalexin Biosynthesis in Soybean.Plants (Basel, Switzerland) · 2024Article
- Molecular Pathways of WRKY Genes in Regulating Plant Salinity Tolerance.International journal of molecular sciences · 2022Review
- Functional Identification ofBiomolecules · 2022Article
- Fungi hijack a ubiquitous plant apoplastic endoglucanase to release a ROS scavenging β-glucan decasaccharide to subvert immune responses.The Plant cell · 2022Article
- QTL for induced resistance against leaf rust in barley.Frontiers in plant science · 2022Article
- Genome-Wide Characterization of WRKY Transcription Factors Revealed Gene Duplication and Diversification in Populations of Wild to Domesticated Barley.International journal of molecular sciences · 2021Article
- Genome-Wide Identification of WheatFrontiers in plant science · 2021Article
- A class III WRKY transcription factor in sugarcane was involved in biotic and abiotic stress responses.Scientific reports · 2020Article
- SnRK1 Phosphorylates and Destabilizes WRKY3 to Enhance Barley Immunity to Powdery Mildew.Plant communications · 2020Article
- Targeting the pattern-triggered immunity pathway to enhance resistance to Fusarium graminearum.Molecular plant pathology · 2019Article
- Article
- Genome-wide Analysis of the WRKY Gene Family and its Response to Abiotic Stress in Buckwheat (Open life sciences · 2019Article
- Expression Characteristics and Functional Analysis of the ScWRKY3 Gene from Sugarcane.International journal of molecular sciences · 2018Article
- Molecular cloning and characterization of a novel salt-specific responsive WRKY transcription factor gene IlWRKY2 from the halophyte Iris lactea var. chinensis.Genes & genomics · 2018Article
- TaWRKY70 transcription factor in wheat QTL-2DL regulates downstream metabolite biosynthetic genes to resist Fusarium graminearum infection spread within spike.Scientific reports · 2017Article
- PAMP-triggered immune responses in barley and susceptibility to powdery mildew.Plant signaling & behavior · 2016Article
- Comparative Analysis ofFrontiers in plant science · 2016Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The WRKY transcription factors belong to an evolutionarily conserved superprotein family predominantly present in the plant kingdom. WRKY proteins of barley are not yet fully annotated and most of them are not functionally characterized. We performed a genome-wide identification of WRKY members based on the recently accessible barley draft genome sequence and full-length cDNA datasets. As a result, 34 novel putative proteins have been identified which extend the existing list for barley WRKYs to 94. Phylogenetic analysis of the WRKY domains allowed ranking into three groups (I, II, III), with an expansion in group III in monocots. Two members of subgroup IIa, the wound and pathogen-inducible HvWRKY1 and HvWRKY2, are known as negative defense regulators. Here, we demonstrate that both transcription factors repress the activity of the powdery mildew-induced promoter of HvGER4c, a germin-like defense-related protein. The repression did not require the negative defense regulator MLO nor was it affected by the presence of the R protein MLA12. Moreover, the expression of the Arabidopsis ortholog AtWRKY40 in barley compromised basal resistance to powdery mildew, providing evidence for functional conservation of sequence-related WRKY proteins across monocots and dicots.
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