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Allele-specific virulence attenuation of the Pseudomonas syringae HopZ1a type III effector via the Arabidopsis ZAR1 resistance protein

Lewis JD, Wu R, Guttman DS, Desveaux D PLoS Genet. 2010 Apr;6(4):e1000894 PMID: 20368970 Abstract Plant resistance (R) proteins provide a robust surveillance system to defend against potential pathogens. Despite their importance in plant innate immunity, relatively few of the approximately 170 R proteins in Arabidopsis have well-characterized resistance specificity. In order to identify the … Read More

The lesion-mimic mutant cpr22 shows alterations in abscisic acid signaling and abscisic acid insensitivity in a salicylic acid-dependent manner

Mosher S, Moeder W, Nishimura N, Jikumaru Y, Joo SH, Urquhart W, Klessig DF, Kim SK, Nambara E, Yoshioka K Plant Physiol. 2010 Apr;152(4):1901-13 PMID: 20164209 Abstract A number of Arabidopsis (Arabidopsis thaliana) lesion-mimic mutants exhibit alterations in both abiotic stress responses and pathogen resistance. One of these mutants, constitutive expresser of PR genes22 (cpr22), … Read More

Effects of the cyclopeptide mycotoxin destruxin A on the Malpighian tubules of Rhodnius prolixus (Stål)

Ruiz-Sanchez E, Orchard I, Lange AB Toxicon 2010 Jun;55(6):1162-70 PMID: 20060849 Abstract The production of peptide toxins by entomopathogenic fungi during the infection process plays critical roles in pathogenesis. To gain insight into the mechanism of action of these mycotoxins on insect internal organs, we have evaluated the effects of destruxin A, a cyclic peptide … Read More