Plant Pathogenic Bacteria Studies

The periplasmic substrate-binding protein ThuE is required for sucrose uptake and multiplication of Pseudomonas syringae pv. tomato DC3000 in tomato leaves

Mobile genetic elements accompany the emergence of clonal crop lineages from weed-associated populations of Xanthomonas campestris

The paper analyzes Xanthomonas campestris strains from weed and crop hosts to show that mobile genetic elements accompany the emergence of clonal crop lineages and are present in diverse weed-associated strains.

An infection assay recapitulating Xanthomonas translucens pv. translucens natural entry into barley hydathodes

This study establishes a protocol for hydathode infection by Xtt in barley, causing bacterial blight symptoms and mimicking natural infection.

Mutation in Ralstonia pseudosolanacearum F1C1 cytochrome p450 homologue impairs virulence through root but not through shoot of tomato plants

Contrasting gene gain and loss shape metabolic diversification in the Ralstonia solanacearum species complex

The paper identifies gene gain and loss mechanisms shaping metabolic diversity in Ralstonia solanacearum by analyzing genomic data and phylogenomics.

Comparative functional genomics of six Pectobacterium species reveals core and unique fitness determinants in potato tubers

This study identifies conditionally essential genes in six Pectobacterium species during potato tuber infection, revealing shared and unique fitness determinants.

The ArcZ small RNA activates SlyA production to control contact-dependent antibacterial killing and diffusible antifungal activity in Dickeya solani

The paper identifies an sRNA regulatory cascade in Dickeya solani that controls both antifungal and antibacterial activities by activating SlyA translation.

Distinct Temporal Responses to Xanthomonas translucens Strains Shape Bacterial Leaf Streak Development in Triticale

This study shows that distinct temporal host transcriptional responses to two Xanthomonas translucens strains influence bacterial leaf streak development in triticale.

Pseudomonas effector AvrC is a rhamnosyltransferase with broad substrate specificity

The paper identifies AvrC as a rhamnosyltransferase with broad substrate specificity, showing it can modify plant proteins like RIN4, COPE1, and COPZ1.

Insights into the transmission of seedborne Pseudomonas syringae strains that cause zucchini diseases.

The paper investigates the transmission routes of Pseudomonas syringae strains causing zucchini diseases, finding that VCZ strains are predominantly transmitted via floral pathways while BLS strains use pericarp transmission.

Evidence for Burkholderia gladioli pv. alliicola Extracellular Detoxification of Thiosulfinates

This study shows that Burkholderia gladioli pv. alliicola detoxifies thiosulfinates during onion bulb infection but not foliar infection, using a reporter strain to track exposure.

Genomic plasticity and homologous recombination drive the evolution of Pectobacterium jejuense across hosts and geographic regions

This study analyzes the genomic diversity and evolutionary dynamics of Pectobacterium jejuense across hosts and geographic regions, revealing homologous recombination and genome plasticity as key drivers of adaptation and pathogenic evolution.

Phylogenomics and comparative genomics of the genus Erwinia reveal taxonomic inconsistencies and evolutionary diversification

This study uses phylogenomic and comparative genomic analyses of 104 Erwinia genomes to resolve evolutionary relationships, identify taxonomic inconsistencies, and uncover lineage-specific genomic features associated with virulence and ecological adaptation.

Allelic Diversity and Core Conservation of Type III Effectors Across Xanthomonads Causing Bacterial Spot of Pepper and Tomato

The paper characterizes type III effector diversity and conservation across Xanthomonas pathogens causing bacterial spot of pepper and tomato, revealing core effectors and population-specific variation.

Tomato brown rugose fruit virus and pepino mosaic virus differentially modulate disease severity of bacterial pith necrosis and bacterial canker in tomato

This study shows that ToBRFV and PepMV differentially affect bacterial disease severity in tomatoes, either increasing or decreasing symptom expression depending on the pathogen.

Leaf hydraulics is a core component of plant immunity

The paper shows hydathodes are both entry points for pathogens and critical for limiting their spread in plant leaves.

Solanum americanum Bs2 and ZAR1 homologs recognize Xanthomonas euvesicatoria effectors essential for infection.

The paper identifies Xanthomonas euvesicatoria effectors recognized by Solanum americanum immune receptors, showing their role in effector-triggered immunity and bacterial infection.

FIRST EVIDENCE OF PRESENCE OF RALSTONIA SOLANACEARUM IN THRIPS HAWAIIENSIS (THYSANOPTERA: THRIPIDAE) IN INDANG, CAVITE

This study provides field evidence that Thrips hawaiiensis can acquire Ralstonia solanacearum from infected banana flowers, supporting its role as a potential vector for Bugtok disease in cooking bananas.

A conserved Rhs module associated with the type VI secretion system facilitates effector innovation and immunity acquisition for ecological adaptation of Stenotrophomonas species

This study identifies a conserved Rhs module in Stenotrophomonas species linked to T6SS effector innovation and immunity, enabling ecological adaptation in saline niches.

Host infection selects for sRNA variants that drive bacterial social cheating

The paper shows that single-nucleotide mutations in the sRNA ArcZ of Dickeya solani generate social cheater variants during potato infection, which exploit a shared metabolic benefit without contributing to it.

It takes two: A Widespread Temperate Bacteriophage Contributes to Regulation of the Type III Secretion System in Pseudomonas syringae

The paper shows a temperate bacteriophage in Pseudomonas syringae enhances virulence by altering T3SS operon expression, independent of its effector gene.

Diverse conjugative and mobilisable elements underpin key adaptive traits in Xanthomonas

The paper identifies diverse mobile genetic elements in Xanthomonas species and their role in adaptive traits through comparative genomic analysis.

Pyramiding four genes governing bacterial blight resistance in three popular rice varieties of East Africa and Madagascar

The paper uses marker-assisted breeding to pyramid four resistance genes into three East African rice varieties to confer resistance to bacterial blight strains.

Rice bacterial blight resistance in Burkina Faso through genome editing: Evaluating pathogen and agro-morphological compatibility of genome-edited elite rice varieties

This study evaluates genome-edited rice varieties for resistance to bacterial blight in Burkina Faso, finding no growth penalties and resistance to local strains.

Defining the Xanthomonas euvesicatoria type II-secreted effector arsenal: core nutritional functions and effector diversity

This study identifies T2S-dependent effector proteins in Xanthomonas species and reveals their role in cell wall remodeling and metabolic activities during plant infection.

The efficiency of different transmission routes of Xanthomonas citri pv. fuscans and other seed-borne bacteria to bean seeds.

The paper quantifies the efficiency of different transmission routes for Xanthomonas citri pv. fuscans and other seed-borne bacteria to bean seeds, finding the vascular route most efficient and identifying plant immunity as a bottleneck.

Expression of the βhpmeh gene in transgenic events of the potato variety Desiree increases resistance to bacterial wilt caused by Ralstonia solanacearum

This study evaluates βhpmeh transgenic potato plants for resistance to bacterial wilt caused by Ralstonia solanacearum, finding reduced susceptibility correlated with βhpmeh gene expression.

Morphology of petiole bending, senescence, epinasty, along with necrotic scarring in tomato leaves infiltrated with virulent Ralstonia pseudosolanacearum

This study observes specific patho-phenotypes in tomato leaves infiltrated with Ralstonia pseudosolanacearum, including petiole bending, epinasty, and senescence, which are hrp-dependent and not seen with other bacteria.

Xanthomonas translucens inhibits defense responses independently of the Type III secretion system and is recognized by cereal the immune system

This study investigates Xanthomonas translucens' disease mechanisms in cereals, showing that xanthan suppresses host immunity while the Type III Secretion System is not sufficient for disease development.

Danish profile of soft rot Pectobacteriaceae; A three-year field sampling study proving several clonal clades of soft rot isolates across diverse locations implicating a common origin

The paper uses whole genome sequencing of soft rot Pectobacteriaceae isolates from Danish potato farms to trace disease spread and identify potential phage-based biocontrol strategies.