Publications:
The P. syringae type III effector repertoire
Wei, C.-F., Kvitko, B.H., Shimizu, R., Crabill, E., Alfano, J.R., Lin, N.-C., Martin, G.B., Huang, H.-C., and Collmer, A. 2007. A Pseudomonas syringae pv. tomato DC3000 mutant lacking the type III effector HopQ1-1 is able to cause disease in the model plant Nicotiana benthamiana. Plant J. 51:32-46. Pubmed.
Badel, J.L., Shimizu, R., Oh, H.-S., and Collmer, A. 2006. A Pseudomonas syringae pv. tomato avrE1/hopM1 mutant is severely reduced in growth and lesion formation in tomato. Mol. Plant Microbe Interact. 19:99-111. Pubmed.
Ferreira, A.O., Myers, C.R., Gordon, J.S., Martin, G.B., Vencato, M., Collmer, A., Wehling, M.D., Alfano, J.R., Moreno-Hagelsieb, G., Lamboy, W.F., DeClerck, G., Schneider, D.J., and Cartinhour, S.W. 2006. Whole-genome expression profiling defines the HrpL regulon of Pseudomonas syringae pv. tomato DC3000, allows de novo reconstruction of the Hrp cis element, and identifies novel co-regulated gene. Mol. Plant Microbe Interact. 19:1167-1179. Pubmed.
Schechter, L.M., Vencato, M., Jordan , K.L., Schneider, S.E., Schneider, D.J., and Collmer, A. 2006. Multiple approaches to a complete inventory of Pseudomonas syringae pv. tomato DC3000 type III secretion system effector proteins. Mol Plant Microbe Interact. 19:1180-1192. Pubmed.
Shimizu, R., Badel, J.L., Oh, H.-S., and Collmer, A. 2006. A Pseudomonas syringae pv. tomato avrE/hopM1 mutant is reduced in growth and lesion formation in tomato. In Biology of Plant-Microbe Interactions, Vol. 5. Sanchez, F., Quinto, C., Lopez-Lara, I.M. and Geiger, O. (eds). St. Paul: IS-MPMI, pp. 379-383.
Vencato, M., Tian, T., Alfano, J.R., Buell, C.R., Cartinhour, S., DeClerck, G.A., Guttman, D.S., Stavrinides, J., Joardar, V., Lindeberg, M., Bronstein, P.A., Mansfield, J.W., Myers, C.R., Collmer, A., and Schneider, D.J. 2006. Bioinformatics-enabled identification of the HrpL regulon and type III secretion system effector proteins of Pseudomonas syringae pv. phaseolicola 1448A. Mol. Plant Microbe Interact. 19:1193-1206. Pubmed.
Lindeberg, M., Stavrinides, J., Chang, J.H., Alfano, J.R., Collmer, A., Dangl, J.L., Greenberg, J.T., Mansfield, J.W., and Guttman, D.S. 2005. Proposed guidelines for a unified nomenclature and phylogenetic analysis of type III Hop effector proteins in the plant pathogen Pseudomonas syringae. Mol. Plant-Microbe Interact. 18:275-282. Pubmed.
Oh, H.-S., and Collmer, A. 2005. Basal resistance against bacteria in Nicotiana benthamiana leaves is accompanied by reduced vascular staining and suppressed by multiple Pseudomonas syringae type III secretion system effector proteins. Plant J. 44:348-359. Pubmed.
Jamir, Y., Guo, M., Oh, H.-S., Petnicki-Ocwieja, T., Chen, S., Tang, X., Dickman, M.B., Collmer, A., and Alfano, J.R. 2004. Identification of Pseudomonas syringae type III secreted effectors that suppress programmed cell death in plants and yeast. Plant J. 37:554-565. Pubmed.
López-Solanilla, E., Bronstein, P.A., Schneider, A.R., and Collmer, A. 2004. HopPtoN is a Pseudomonas syringae Hrp (type III secretion system) cysteine protease effector that suppresses pathogen-induced necrosis associated with both compatible and incompatible plant interactions. Mol. Microbiol. 54:353-365. Pubmed.
Badel, J.L., Nomura, K., Bandyopadhyay, S., Shimizu, R., Collmer, A., and He, S.Y. 2003. Pseudomonas syringae pv. tomato DC3000 HopPtoM (CEL ORF3) is important for lesion formation but not growth in tomato and is secreted and translocated by the Hrp type III secretion system in a chaperone-dependent manner. Mol. Microbiol. 49:1239-1251. Pubmed.
Deng, W.-L., Rehm, A., Charkowski, A., Rojas, C.M., and Collmer, A. 2003. Pseudomonas syringae exchangeable effector loci: sequence diversity in representative pathovars and virulence function in P. syringae pv. syringae B728a. J. Bacteriol. 185:2592-2602. Pubmed.
Fouts, D.E., Badel, J.L., Ramos, A.R., Rapp, R.A., and Collmer, A. 2003. A Pseudomonas syringae pv. tomato DC3000 Hrp (type III secretion) deletion mutant expressing the Hrp system of bean pathogen P. syringae pv. syringae 61 retains normal host specificity for tomato. Mol. Plant-Microbe Interact. 16:43-52. Pubmed.
Badel, J.L., Charkowski, A.O., Deng, W.-L., and Collmer, A. 2002. 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. 15:1014-1024. Pubmed.
Fouts, D.E., Abramovitch, R.B., Alfano, J.R., Baldo, A.M., Buell, C.R., Cartinhour, S., Chatterjee, A.K., D'Ascenzo, M., Gwinn, M.L., Lazarowitz, S.G., Lin, N.-C., Martin, G.B., Rehm, A.H., Schneider, D.J., van Dijk, K., Tang, X., and Collmer, A. 2002. Genomewide identification of Pseudomonas syringae pv. tomato DC3000 promoters controlled by the HrpL alternative sigma factor. Proc. Natl. Acad. Sci. USA 99:2275-2280. Pubmed.
Petnicki-Ocwieja, T., Schneider, D.J., Tam, V.C., Chancey, S.T., Shan, L., Jamir, Y., Schechter, L.M., Buell, C.R., Tang, X., Collmer, A., and Alfano, J.R. 2002. Genomewide identification of proteins secreted by the Hrp type III protein secretion system of Pseudomonas syringae pv. tomato DC3000. Proc. Natl. Acad. Sci. USA 99:7652-7657. Pubmed.
Alfano, J.R., Charkowski, A.O., Deng, W.-L., Badel, J.L., Petnicki-Ocwieja, T., van Dijk, K., and Collmer, A. 2000. The Pseudomonas syringae Hrp pathogenicity island has a tripartite mosaic structure composed of a cluster of type III secretion genes bounded by exchangeable effector and conserved effector loci that contribute to parasitic fitness and pathogenicity in plants. Proc. Natl. Acad. Sci. USA 97:4856-4861. Pubmed.
van Dijk, K., Fouts, D.E., Rehm, A.H., Hill, A.R., Collmer, A., and Alfano, J.R. 1999. The Avr (effector) proteins HrmA (HopPsyA) and AvrPto are secreted in culture from Pseudomonas syringae pathovars via the Hrp (type III) protein secretion system in a temperature- and pH-sensitive manner. J. Bacteriol. 181:4790-4797. Pubmed.
Kim, J.F., Charkowski, A.O., Alfano, J.R., Collmer, A., and Beer, S.V. 1998. Sequences related to transposable elements and bacteriophages flank avirulence genes of Pseudomonas syringae. Mol. Plant-Microbe Interact. 11:1247-1252. Pdf.
Alfano, J.R., Kim, H.-S., Delaney, T.P., and Collmer, A. 1997. Evidence that the Pseudomonas syringae pv. syringae hrp-linked hrmA gene encodes an Avr-like protein that acts in a hrp-dependent manner within tobacco cells. Mol. Plant-Microbe Interact. 10:580-588. Pubmed.