Gene Symbol: hopAO1
Description: type III effector HopAO1
Alias: PSPTO4722, type III effector HopAO1
Species: Pseudomonas syringae pv. tomato str. DC3000
Products:     hopAO1

Top Publications

  1. Petnicki Ocwieja T, Schneider D, Tam V, Chancey S, Shan L, Jamir Y, et al. Genomewide identification of proteins secreted by the Hrp type III protein secretion system of Pseudomonas syringae pv. tomato DC3000. Proc Natl Acad Sci U S A. 2002;99:7652-7 pubmed publisher
    ..One ADP-ribosyltransferase and the SrfC homolog were tested and shown to be secreted in a Hrp-dependent manner. These proteins, designated HopPtoS2 and HopPtoL, respectively, bring the DC3000 Hrp-secreted protein inventory to 22...
  2. Bretz J, Mock N, Charity J, Zeyad S, Baker C, Hutcheson S. A translocated protein tyrosine phosphatase of Pseudomonas syringae pv. tomato DC3000 modulates plant defence response to infection. Mol Microbiol. 2003;49:389-400 pubmed
    ..The results indicate that HopPtoD2 is a translocated effector with protein tyrosine phosphatase activity that modulates plant defence responses. ..
  3. Badel J, Charkowski A, Deng W, Collmer A. A gene in the Pseudomonas syringae pv. tomato Hrp pathogenicity island conserved effector locus, hopPtoA1, contributes to efficient formation of bacterial colonies in planta and is duplicated elsewhere in the genome. Mol Plant Microbe Interact. 2002;15:1014-24 pubmed
    ..These results suggest that hopPtoA1 and hopPtoA2 contribute redundantly to the formation of P. syringae pv. tomato DC3000 colonies in Arabidopsis leaves. ..
  4. Espinosa A, Guo M, Tam V, Fu Z, Alfano J. The Pseudomonas syringae type III-secreted protein HopPtoD2 possesses protein tyrosine phosphatase activity and suppresses programmed cell death in plants. Mol Microbiol. 2003;49:377-87 pubmed
    ..The identification of HopPtoD2 as a PTP and a PCD suppressor suggests that the inactivation of MAPK pathways is a virulence strategy utilized by bacterial plant pathogens. ..
  5. Munkvold K, Martin M, Bronstein P, Collmer A. A survey of the Pseudomonas syringae pv. tomato DC3000 type III secretion system effector repertoire reveals several effectors that are deleterious when expressed in Saccharomyces cerevisiae. Mol Plant Microbe Interact. 2008;21:490-502 pubmed publisher
    ..Of 27 effectors tested, HopAD1, HopAO1, HopD1, HopN1, and HopU1 were found to inhibit growth when expressed from a galactose-inducible GAL1 promoter, and ..
  6. Underwood W, Zhang S, HE S. The Pseudomonas syringae type III effector tyrosine phosphatase HopAO1 suppresses innate immunity in Arabidopsis thaliana. Plant J. 2007;52:658-72 pubmed
    ..The effector HopAO1 has similarity to protein tyrosine phosphatases, including a conserved catalytic site, and suppresses the ..