Plant Pathogenic Bacteria Studies

Chromoprotein-modified plant pathogenic bacteria: tools for experimental tracking and visualization

This study modifies plant pathogenic bacteria with chromoproteins to enable visible tracking during infection, showing success in some species and mixed results in others.

Flow constraints at infection site shape multiplication-dissemination trade-offs and opposite regulatory programs of Xanthomonas and Ralstonia xylem pathogens

This study shows how xylem sap flow constraints shape opposite regulatory strategies in two plant pathogens, Xcc and Rs, to mitigate trade-offs between virulence traits.

Two domesticated species of rice shaped the population structure of Xanthomonas oryzae pv. oryzae in Africa

The paper traces the evolutionary history of Xanthomonas oryzae pv. oryzae in Africa, showing its adaptation to African rice and how the introduction of Asian rice shaped its population structure.

The emergence of bacterial blight pathogen followed the dispersal pattern of rice in Asia

This study traces the evolutionary history and dispersal of the rice bacterial blight pathogen Xoo, linking its emergence to rice domestication and trade routes.

Xanthomonas imtechensis sp. nov. - a novel member of non-pathogenic Xanthomonas with bioprotection function from healthy rice seeds

The paper identifies a novel non-pathogenic Xanthomonas species, Xanthomonas imtechensis, from healthy rice seeds with bioprotection function against bacterial leaf blight.

Pectobacterium sinaloense sp. nov., a novel phytopathogenic species isolated from potato plants in Mexico

The paper isolates and characterizes a novel Pectobacterium species, Pectobacterium sinaloense, from potato plants in Mexico, showing it meets species criteria but has lower virulence.

Variable effects of biocontrol bacteria on potato resistance against black leg caused by soft rot Pectobacteriaceae in the field

This study evaluates the field effectiveness of biocontrol bacteria against blackleg in potato, finding variable disease reduction with no consistent antagonist effect.

Independent, Ongoing Clade-Specific Expansions of IS5 Elements in Pseudomonas syringae

The paper examines the distribution and expansion of a specific IS5 subclass in Pseudomonas syringae genomes, finding recent independent expansions and variable insertion site conservation.

The EPS-I exopolysaccharide transforms Ralstonia wilt pathogen biofilms into viscoelastic fluids for rapid dissemination in planta

This study identifies EPS-I as a key factor enabling Ralstonia solanacearum biofilms to exhibit viscoelastic fluid behavior, enhancing pathogen dissemination in planta.

Identification of Halo Blight Disease on Oat in Idaho and Exploration of Resistant Sources in Oat, Barley and Wheat

The paper identifies Pseudomonas coronafaciens pv. coronafaciens causing BHB in Idaho oat fields and reports resistant barley genotypes.

Comparative genomic analyses shed light on the introduction routes of rice-pathogenic Burkholderia gladioli strains into Bangladesh

The paper uses genomic analysis to trace the introduction routes of pathogenic B. gladioli strains into Bangladesh and identifies virulence gene changes associated with host transitions.

Tissue-Specific Experimental Evolution Reveals Adaptive Trade-Offs in the Plant Vascular Pathogen Clavibacter michiganensis

This study uses tissue-specific experimental evolution to identify adaptive traits in Clavibacter michiganensis, revealing trade-offs between vascular persistence and systemic virulence.

An interactive dashboard for global reports of the Ralstonia solanacearum species complex

The paper develops an interactive dashboard to visualize and analyze genetic diversity data of the Ralstonia solanacearum species complex, aiding in disease control and regulation.

A critical role of sux cistron-mediated sucrose uptake for virulence of the rice blight pathogen Xanthomonas oryzae pv. oryzae

This study identifies the sux gene cluster in Xanthomonas oryzae pv. oryzae as essential for sucrose uptake, which supports bacterial growth, motility, biofilm formation, and virulence in rice.

Cyclic-di-GMP controls Type III effector export and symptom development in Pseudomonas syringae infections via the export ATPase HrcN

This study shows that cyclic-di-GMP binding to HrcN regulates effector secretion and symptom development in Pseudomonas syringae infections.

Comprehensive analysis of draft genomes of two closely related Pseudomonas syringae pv. syringae phylogroup 02b strains infecting Citrus plants

This study compares the genomes of two closely related Pseudomonas syringae pv. syringae strains to identify genetic factors contributing to their differing virulence.

Occurrence and Distribution of Common Bacterial Blight and Bacterial Leaf Blight in Tanzanian Lowland and Highland Agro-ecologies using Digital Image Analysis

This study quantifies the prevalence, incidence, and severity of CBB and BLB in Tanzanian lowland and highland agroecologies using digital image analysis, revealing significant district- and village-level variations.

RprR is a plant-responsive regulator of exopolysaccharide production, biofilm formation, and virulence in Ralstonia pseudosolanacearum

This study identifies RprR as a plant-responsive regulator in Ralstonia pseudosolanacearum that modulates biofilm formation, exopolysaccharide production, and virulence in response to the plant host.

Some like it hot: efficiency of the type III secretion system has multiple thermosensitive behaviors in the Pseudomonas syringae complex

This study examines the thermosensitive behaviors of the T3SS in Pseudomonas syringae strains, showing strain-specific temperature dependencies in effector injection and highlighting the importance of environmental factors in plant-bacteria interactions.

Time-resolved bottlenecks reveal concurrent pathogen entry and growth during bacterial infection dynamics

The paper quantifies time-resolved bottlenecks in bacterial infection dynamics using genetic barcoding, revealing concurrent pathogen entry and growth and proposing a general framework for analysis.

Robust design and validation of LAMP assays for in-field detection of three major bacterial vascular diseases of banana

The paper develops and validates three LAMP assays for detecting major banana bacterial diseases, showing high specificity and sensitivity in both lab and field samples.

Comparative transcriptomic profile reveals candidate genes manipulated by type III effectors of Pantoea agglomerans pv. betae leading to gall formation in beet

This study compares transcriptomic profiles of beet leaves infected with wild-type and T3SS-inactive Pantoea agglomerans pv. betae to identify genes involved in gall formation.

Comparative genomics and pathogenicity of Pantoea stewartii subsp. stewartii reveal multiple introductions and limited distribution in Europe

This study uses whole-genome sequencing to analyze Pantoea stewartii subsp. stewartii diversity and introduction routes in Europe, revealing multiple introductions and limited distribution.

Computational Discovery of Core Protein - Targeted Therapeutics Against Ginger Wilt Pathogen Ralstonia solanacearum

The paper identifies antibacterial agents targeting Ralstonia solanacearum using computational methods and experimental validation, finding several compounds with strong inhibitory effects.

Dynamic ecological interactions of two quarantine-concern Ralstonia strains in river water and plants

This study examines the ecological interactions of two Ralstonia strains in river water and plants, finding context-dependent competition and temperature-dependent persistence.

A protocol for chemical competence in phytopathogenic Ralstonia

The paper presents a chemical competence protocol for transforming Ralstonia solanacearum strains using calcium chloride and heat shocks, showing efficacy for four of five tested strains.

Differentiation of Xanthomonas oryzae pv. oryzae in vitro and during rice leaf infection

This study investigates Xoo morphology changes during in vitro growth and rice leaf infection, finding filamentous forms aid in tissue invasion while rod-shaped cells facilitate vascular movement.

MdAGG apple lectins in Fire Blight resistance: CRISPR/Cas9 validation and their potential for intragenesis approaches.

The paper validates MdAGG genes as fire blight resistance factors in apple using CRISPR/Cas9 and demonstrates their inducible expression improves resistance.

Effector loss and gain drives pathogen host range at a fitness cost

This study shows that gene loss and gain in Xanthomonas translucens drive host range shifts, with fitness costs for generalist behavior and enhanced virulence for specialist behavior.

Adaptative and ancient co-evolution of integrons with Xanthomonas genomes

This study analyzes integron distribution and evolution across Xanthomonas genomes, finding ancient acquisition, lineage-specific inactivation, and functional diversity in some species.