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Molecular Plant-Microbe Interactions
ISSN 1943-7706 · The American Phytopathological Society · 3.636 artikel di indeks
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Artikel Jurnal
Single Amino Acid Change at Two Conserved Residues in Tomato Brown Rugose Fruit Virus Coat Protein Compromises Virion Assembly and Viral Systemic Infection
Tomato brown rugose fruit virus (ToBRFV; Tobamovirus fructirugosum) is a recently discovered new species in the genus Tobamovirus that causes an ongoing pandemic and threatens tomato production worldwide. In this study, we determined the complete genome sequences of three ToBRFV isolates collected…
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Transcriptome Analysis Reveals Key Players in Plant Immunity Triggered by Diffusible Signal Factor (DSF), a Xanthomonas-Secreted Quorum-Sensing Molecule
Plants are constantly exposed to diverse pathogens and have evolved sophisticated defense mechanisms to detect and respond to microbial threats. Pathogen recognition is often mediated by pathogen-associated molecular patterns (PAMPs), such as cell wall components or secreted molecules…
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Structural Insights into WY Domain SLiM-Containing Conserved RxLR Effectors: A Case Study of Five Important Phytophthora Species
Pathogenicity in Phytophthora species is in part underpinned by a sophisticated arsenal of RxLR effectors, which function as molecular determinants of host immune manipulation. Among these, conserved RxLR effectors (CREs) represent an evolutionarily conserved subset that is indispensable for…
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Defense Recognition of a Stripe Rust Fungal Effector Is Uncoupled from Disease Outcomes in Wheat
Plant resistance (R) and pathogen avirulence (Avr) gene interactions are central to pathogen recognition and disease resistance in crops. Functional characterization of recognized Avr effectors of Puccinia striiformis f. sp. tritici (Pst) lags other key fungal pathogens of wheat. Here, we used a…
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Grapevines Pretreated with Biocontrol Bacteria Have an Altered Transcriptional Response to Xylella fastidiosa and a Reduction in Pierce's Disease Severity
In a previous DNA-based microbiome study of grapevines in areas of Pierce's disease (PD) pressure, we determined that taxa belonging to the Pseudomonas and Achromobacter genera negatively associated with PD severity and titer of the causal agent, Xylella fastidiosa, leading us to hypothesize that…
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WRKY Group I Transcription Factor Regulates a Strictosidine Synthase-Like Gene and Acts as a Negative Regulator in Bacillus cereus AR156-Induced Systemic Resistance Against Tomato Bacterial Wilt
Induced systemic resistance (ISR) is an essential strategy in biological control. Previous research has shown that Bacillus cereus AR156 can trigger ISR to defend against multiple pathogens, though the underlying mechanisms may vary depending on the pathogen. However, the specific mechanism by…
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The Dual O-Methyltransferase and FAD-Dependent Monooxygenase ESCB3 Is Essential for Elsinochrome Biosynthesis and Virulence in Elsinoë arachidis
The filamentous fungus Elsinoë arachidis is a major foliar pathogen responsible for peanut scab, which is a significant disease affecting commercial peanut cultivation. Elsinochrome (ESC), produced by numerous phytopathogenic Elsinoë species, is a non-host-selective polyketide phytotoxin with…
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The Five Senses: How Do Plant Pathogens Know They Found Their Host?
All pathogens must sense that they have arrived at their host. This is a necessary part of infection in order to effect the changes in pathogen biology required to progress through their life cycle. How the information that they have arrived is transmitted, and what molecules/media convey the…
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Structural and Transcriptional Diversity in the Repertoire of Sclerotinia sclerotiorum Effector Candidates
The necrotrophic fungal pathogen Sclerotinia sclerotiorum is distinguished by its exceptionally broad host range, infecting numerous plant species across diverse genera. Although historically characterized by a seemingly unspecialized infection strategy, increasing evidence indicates that S…
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Establishment of Basic Compatibility Through Pathogen Sulfur Scavenging Is Essential for Laurel Wilt Disease Development
Invasive, lethal tree diseases continue to have devastating effects on forest ecology, commercial timber production, the horticultural trade, and agriculture production. Laurel wilt, caused by the recently introduced fungus Harringtonia lauricola, is one such lethal disease threatening both native…
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A Novel Chitinase-Like Family of Candidate Effectors Unique to Aphids
Molecular interactions between aphids and plants include delivery of salivary effector proteins into host cells, acting as virulence factors to suppress host immunity or as avirulence functions triggering immune activation. However, understanding of virulence and avirulence mechanisms in…
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A Novel Approach to Engineering Tomato Spotted Wilt Virus Infectious Clones by Disarming Key Nodes in Antiviral Defenses
Tomato spotted wilt virus (TSWV) is an economically devastating pathogen that rapidly overcomes genetic resistance in major crops. Reverse genetic systems are crucial for investigating plant–virus interactions and resistance-breaking mechanisms, and developing these tools for segmented ambisense…
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Pathogen Species-Specific Differences in Induction of the Maize Polyubiquitin Gene Promoter in Transgenic Wheat
The maize polyubiquitin promoter (ZmUbi) is a mainstay in molecular biology for transgene expression and is used for constitutive expression of defense-related gene products. Transgenic wheat lines were produced expressing a ZmUbi-RUBY reporter gene that produces the red pigment betalain. Some…
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Leaf Rust in Rye: From Pathogen Biology to Host Defense and Resistance Breeding
Leaf rust (LR), caused by Puccinia recondita f. sp. secalis (Prs), is considered one of the most dangerous rye (Secale cereale L.) diseases, causing yield losses exceeding 35%. This review summarizes all currently available data about this disease: pathogen characteristics (including its life…
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Divergent Roles of CPK28 in Immune Homeostasis Across Land Plants
Calcium-dependent protein kinases decode cellular calcium transients and play diverse roles in plant growth and stress responses. In Arabidopsis thaliana, AtCPK28 contributes to immune homeostasis by phosphorylating subgroup IV plant U-box proteins, which target the key immune receptor-like…
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