How does salicylic acid activate plant immunity?

Salicylic acid (SA) is a phytohormone central to plant immune responses, orchestrating both local defense and systemic acquired resistance (SAR), a br…

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Keystone Pseudomonas species in the wheat phyllosphere microbiome mitigate Fusarium head blight by altering host pH

Fusarium graminearum (F. graminearum) pathogen induces wheat phyllosphere alkalinization, promoting the development of Fusarium head blight (FHB). Xu et al. show that host-acidifying Pseudomonas, sele...

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Integrative Dissection of Lignin Composition in Tartary Buckwheat Seed Hulls for Enhanced Dehulling Efficiency

As a dicotyledonous angiosperm, Tartary buckwheat seed hull processes a unique lignin chemotype primarily consist of G lignin, commonly found in gymnosperms. The population-level correlation analysis....

doi.org

Natural variation in FtPME58 contributes to seed hull thickness of Tartary buckwheat

Tartary buckwheat holds significant nutritional and health value; however, its hard seed hull limits production and economic potential. This study ide…

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SALICYLIC ACID SENSOR1 reveals the propagation of an SA hormone surge during plant pathogen advance

Salicylic acid (SA) is a key phytohormone that orchestrates immune responses against pathogens, including Pseudomonas syringae bacteria. The timing and extent of SA accumulation are tightly controlled...

science.org

A GmNRF5a–GmCERK1–GmCAK1 module mediates chitin/chitosan‐triggered immune response in soybean

In soybeans, the GmNFR5a-GmCERK1-GmCAK1 module regulates immune responses triggered by chitin oligosaccharides and chitosan oligosaccharides from fungal pathogens. This reveals a shared upstream sign...

doi.org

Roots: metabolic architects of beneficial microbiome assembly

Abstract. The increasing demand for sustainable agricultural practices has driven a renewed interest in plant–microbiome interactions as a basis for the ne

doi.org

Localized glutamine leakage drives the spatial structure of root microbial colonization

Plant roots release exudates to encourage microbiome assembly, which influences the function and stress resilience of plants. How specific exudates drive spatial colonization patterns remains largely ...

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Arabidopsis root defense barriers support beneficial interactions with rhizobacterium Pseudomonas simiae WCS417

Plant roots interact with pathogenic and beneficial microbes in the soil. While root defense barriers block pathogens, their roles in facilitating beneficial plant–microbe associations are understud...

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Potential and challenges for application of microbiomes in agriculture

Abstract. The plant microbiome can promote plant health and productivity through a multitude of mechanisms. Our understanding of plant–microbiome interacti

doi.org

Emergence of isochorismate-based salicylic acid biosynthesis within Brassicales | PNAS

Salicylic acid (SA) is a major defense phytohormone. In Arabidopsis thaliana, the isochorismate (IC) pathway is the primary route for pathogen-indu...

pnas.org

The role of plant receptor-like kinases in sensing extrinsic and host-derived signals and shaping the microbiome

Plant receptor-like kinases (RLKs), one of the largest gene families in plants, integrate intrinsic and extrinsic signals to regulate immunity, mutualism, and interactions with microbiota. Here we dis...

cell.com

A receptor antagonist counterbalances multiple systemin phytocytokines in tomato

Tight regulation of immune activation is crucial for plant health. How plants control the actions of their immunostimulatory phytocytokines is largely…

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Oligosaccharide Elicitors in Plant Immunity: Molecular Mechanisms and Disease Resistance Strategies

Short Summary: This review examines how oligosaccharide elicitors from pathogens and plants activate immune responses through membrane receptors, detailing their types, functions, and signaling pathwa...

cell.com

Three-step biosynthesis of salicylic acid from benzoyl-CoA in plants - Nature

The salicylic acid (SA) biosynthesis pathway—involving ligation of benzoyl coenzyme A and benzyl alcohol to give benzyl benzoate; hydroxylation of benzyl benzoate to give benzyl salicylate; and cleava...

nature.com

Emergence of isochorismate-based salicylic acid biosynthesis within Brassicales | PNAS

Salicylic acid (SA) is a major defense phytohormone. In Arabidopsis thaliana, the isochorismate (IC) pathway is the primary route for pathogen-indu...

pnas.org

A near‐gapless genome assembly of Pseudocydonia sinensis uncovers unique phenylpropanoid pathways

Pseudocydonia sinensis, commonly known as Chinese quince, belongs to the Rosaceae family and is closely related to apple and pear. Despite its botanical significance, genomic resources for this speci....

onlinelibrary.wiley.com

A fungal transcription factor converts a beneficial root endophyte into an anthracnose leaf pathogen

Endophytic fungi colonize healthy plant tissues without disease. Ujimatsu et al. reveal that the fungal transcription factor CtBOT6 triggers the virulence of a root-associated beneficial endophyte by ...

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