Guido Sessa

Understanding the functions of plant disease resistance proteins.

LeMPK3 is a mitogen-activated protein kinase with dual specificity induced during tomato defense and wounding responses.

Identification and expression profiling of tomato genes differentially regulated during a resistance response to Xanthomonas campestris pv. vesicatoria.

Molecular properties of the Xanthomonas AvrRxv effector and global transcriptional changes determined by its expression in resistant tomato plants.

A second-site suppressor strategy for chemical genetic analysis of diverse protein kinases.

Analysis of promoters recognized by HrpL, an alternative sigma-factor protein from Pantoea agglomerans pv. gypsophilae.

Host-mediated phosphorylation of type III effector AvrPto promotes Pseudomonas virulence and avirulence in tomato.

The type III effectors HsvG and HsvB of gall-forming Pantoea agglomerans determine host specificity and function as transcriptional activators.

Transcriptional analysis of the tomato resistance response triggered by recognition of the Xanthomonas type III effector AvrXv3.

Tomato transcriptional changes in response to Clavibacter michiganensis subsp. michiganensis reveal a role for ethylene in disease development.

Quorum-sensing system affects gall development incited by Pantoea agglomerans pv. gypsophilae.

Bypassing kinase activity of the tomato Pto resistance protein with small molecule ligands.

Regulatory interactions between quorum-sensing, auxin, cytokinin, and the Hrp regulon in relation to gall formation and epiphytic fitness of Pantoea agglomerans pv. gypsophilae.

Activation and manipulation of host responses by a Gram-positive bacterium.

A chemical-genetic approach for functional analysis of plant protein kinases.

A novel link between tomato GRAS genes, plant disease resistance and mechanical stress response.

Tomato MAPKKKε is a positive regulator of cell-death signaling networks associated with plant immunity.

Expression of Xanthomonas campestris pv. vesicatoria type III effectors in yeast affects cell growth and viability.

Silencing of host basal defense response-related gene expression increases susceptibility of Nicotiana benthamiana to Clavibacter michiganensis subsp. michiganensis.

The SlMKK2 and SlMPK2 genes play a role in tomato disease resistance to Xanthomonas campestris pv. vesicatoria.

Characterization of nuclear localization signals in the type III effectors HsvG and HsvB of the gall-forming bacterium Pantoea agglomerans.

Endosomal signaling of the tomato leucine-rich repeat receptor-like protein LeEix2.

Sensitizing plant protein kinases to specific inhibition by ATP-competitive molecules.

The type III effector HsvG of the gall-forming Pantoea agglomerans mediates expression of the host gene HSVGT.

The Clavibacter michiganensis subsp. michiganensis-Tomato Interactome Reveals the Perception of Pathogen by the Host and Suggests Mechanisms of Infection.

A simple yeast-based strategy to identify host cellular processes targeted by bacterial effector proteins.