Nonhost resistance of tomato to the bean pathogen Pseudomonas syringae pv. syringae B728a is due to a defective E3 ubiquitin ligase domain in avrptobb728a

CF Chien, J Mathieu, CH Hsu, P Boyle… - Molecular plant …, 2013 - Am Phytopath Society
The bean pathogen Pseudomonas syringae pv. syringae B728a expresses homologs of the
type III effectors AvrPto and AvrPtoB, either of which can trigger resistance in tomato cultivars …

An avrPto/avrPtoB Mutant of Pseudomonas syringae pv. tomato DC3000 Does Not Elicit Pto-Mediated Resistance and Is Less Virulent on Tomato

NC Lin, GB Martin - Molecular Plant-Microbe Interactions, 2005 - Am Phytopath Society
AvrPto and AvrPtoB are type III effector proteins expressed by Pseudomonas syringae pv.
tomato strain DC3000, a pathogen of both tomato and Arabidopsis spp. Each effector …

Two virulence determinants of type III effector AvrPto are functionally conserved in diverse Pseudomonas syringae pathovars

HP Nguyen, I Yeam, A Angot, GB Martin - New phytologist, 2010 - Wiley Online Library
The Pseudomonas syringae pv. tomato type III effector protein AvrPto has two functional
domains that contribute additively to its ability to promote pathogen virulence in susceptible …

A cluster of mutations disrupt the avirulence but not the virulence function of AvrPto

L Shan, P He, JM Zhou, X Tang - Molecular Plant-Microbe …, 2000 - Am Phytopath Society
avrPto in Pseudomonas syringae pv. tomato encodes an avirulence protein that triggers
race-specific resistance in tomato plants carrying Pto. The AvrPto protein is secreted from P …

Diverse AvrPtoB Homologs from Several Pseudomonas syringae Pathovars Elicit Pto-Dependent Resistance and Have Similar Virulence Activities

NC Lin, RB Abramovitch, YJ Kim… - Applied and …, 2006 - Am Soc Microbiol
AvrPtoB is a type III effector protein from Pseudomonas syringae pv. tomato that physically
interacts with the tomato Pto kinase and, depending on the host genotype, either elicits or …

Pto- and Prf-Mediated Recognition of AvrPto and AvrPtoB Restricts the Ability of Diverse Pseudomonas syringae Pathovars to Infect Tomato

NC Lin, GB Martin - Molecular plant-microbe interactions, 2007 - Am Phytopath Society
The molecular basis underlying the ability of pathogens to infect certain plant species and
not others is largely unknown. Pseudomonas syringae is a useful model species for …

The N‐terminal region of Pseudomonas type III effector AvrPtoB elicits Pto‐dependent immunity and has two distinct virulence determinants

F Xiao, P He, RB Abramovitch, JE Dawson… - The Plant …, 2007 - Wiley Online Library
Resistance to bacterial speck disease in tomato is activated by the physical interaction of the
host Pto kinase with either of the sequence‐dissimilar type III effector proteins AvrPto or …

Molecular and Evolutionary Analyses of Pseudomonas syringae pv. tomato Race 1

S Kunkeaw, S Tan, G Coaker - Molecular plant-microbe …, 2010 - Am Phytopath Society
Pseudomonas syringae pv. tomato, the causal agent of bacterial speck of tomato, has
recently become an increasing problem in California due to the evolution and prevalence of …

[HTML][HTML] Pseudomonas syringae type III effector AvrPtoB is phosphorylated in plant cells on serine 258, promoting its virulence activity

F Xiao, P Giavalisco, GB Martin - Journal of Biological Chemistry, 2007 - ASBMB
The Pseudomonas syringae pv. tomato protein AvrPtoB is translocated into plant cells via
the bacterial type III secretion system. In resistant tomato leaves, AvrPtoB acts as an …

Pto Mutants Differentially ActivatePrf-Dependent, avrPto-Independent Resistance and Gene-for-Gene Resistance

F Xiao, M Lu, J Li, T Zhao, SY Yi, VK Thara… - Plant …, 2003 - academic.oup.com
Pto confers disease resistance to Pseudomonas syringae pv tomato carrying the cognate
avrPto gene. Overexpression of Pto under the cauliflower mosaic virus 35S promoter …