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MetabolomicsPseudomonas syringae infectivity correlates to altered transcript and metabolite levels of Arabidopsis Mediator mutants

Rapid metabolic responses to pathogens are essential for plant survival and depend on numerous transcription factors. Mediator is the major transcriptional co-regulator for integration and transmission of signals from transcriptional regulators to RNA polymerase II. Using four Arabidopsis Mediato...

2024-02-19 | MTBLS8105 | MetaboLights
MetabolomicsDecreased abundance of type III secretion systeminducing signals in Arabidopsis mkp1 enhances resistance against Pseudomonas syringae
Genes encoding the virulence-promoting type III secretion system (T3SS) in phytopathogenic bacteria are induced at the start of infection, indicating that recognition of signals from the host plant initiates this response. However, the precise nature of these signals and whether their concentrations...
2014-06-24 | MTBLS95 | MetaboLights
GenomicsMolecular mechanisms of two-component system RhpRS regulating type III secretion system in Pseudomonas syringae
Pseudomonas syringae uses two-component system RhpRS to regulate the expression of type III secretion system (T3SS) genes and bacterial virulence. However, the molecular mechanism and the regulons of RhpRS have yet to be fully elucidated. Here we show that RhpS functions as an autokinase, an RhpR ki...
ORGANISM(S): Pseudomonas syringae pv. phaseolicola 
2014-10-01 | E-GEOD-58533 | biostudies-arrayexpress
TranscriptomicsGenomic and gene-expression comparisons among phage-resistant type-IV pilus mutants of Pseudomonas syringae pathovar phaseolicola
Pseudomonas syringae pv. phaseolicola (Pph) is a significant bacterial pathogen of agricultural crops, and phage Φ6 and other members of the dsRNA virus family Cystoviridae undergo lytic (virulent) infection of Pph, using the type IV pilus as the initial site of cellular attachment. Despite the pop...
ORGANISM(S): Pseudomonas syringae pv. phaseolicola 
2016-03-15 | E-MTAB-4053 | biostudies-arrayexpress
TranscriptomicsThe Genetic Network Controlling the Arabidopsis Transcriptional Response to Pseudomonas syringae pv. maculicola
Expression profiling of wild-type plants and mutants with defects in key components of the defense signaling network was used to model the Arabidopsis network 24 hours after infection by Pseudomonas syringae pv. maculicola strain Psm ES4326. Results using the Affymetrix ATH1 array revealed that expr...
ORGANISM(S): Arabidopsis thaliana 
2008-07-18 | E-GEOD-11009 | biostudies-arrayexpress
TranscriptomicsRNA-seq analysis of Pseudomonas syringae pv. tomato DC3000
This experiment analyses the expresssion data of the wild type P. syringae pv. tomato DC3000 compared with its fleQ mutant grown under two different conditions: liquid culture in minimal medium and swarming plates.
ORGANISM(S): Pseudomonas syringae pv. tomato str. DC3000 
2015-12-31 | E-MTAB-3779 | biostudies-arrayexpress
TranscriptomicsArabidopsis CBP60g Contributes to MAMP-Induced SA Accumulation and Is Involved in Disease Resistance
Salicylic acid (SA)-induced defense responses are important factors during effector triggered immunity and microbe-associated molecular pattern (MAMP)-induced immunity in plants. This article presents evidence that a member of the Arabidopsis CBP60 gene family, CBP60g, contributes to MAMP-triggered ...
ORGANISM(S): Arabidopsis thaliana 
2010-05-07 | E-GEOD-14237 | biostudies-arrayexpress
ProteomicsRepertoire and abundance of secreted virulence factors shape the pathogenic capacity of Pseudomonas syringae pv. aptata
Pseudomonas syringae pv. aptata is a member of the sugar beet pathobiome and the causative agent of leaf spot disease. Like many pathogenic bacteria, P. syringae relies on the secretion of toxins, which manipulate host-pathogen interactions, to establish and maintain an infection. This study analyze...
ORGANISM(S): Pseudomonas syringae pv. aptata 
2023-06-02 | PXD040715 | Pride
Pseudomonas syringae Secretome 
TranscriptomicsDiversity of HrpL-regulons across Pseudomonas syringae isolates
We implemented transcriptional analysis methods using cDNA and high-throughput sequencing data to identify HrpL-regulated genes for six strains of Pseudomonas syringae Each Pseudomonas syringae strains was transformed with either pBAD::EV or pBAD containing native hrpL sequence. Strains were grown i...
ORGANISM(S): Pseudomonas syringae 
2014-01-01 | E-GEOD-46930 | biostudies-arrayexpress
TranscriptomicsIron regulation in P. syringae DC3000
DC3000 cultures were grown under highly controlled conditions and after the addition of iron citrate or sodium citrate to the media. In the cultures supplemented with iron, we found that cell-associated iron increased rapidly while culture densities were not significantly different over 4 hours when...
ORGANISM(S): Pseudomonas syringae pv. tomato str. DC3000 
2008-11-07 | E-GEOD-13500 | biostudies-arrayexpress
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