Publications:
The P. syringae type III secretion system
Kvitko, B.H., Ramos, A.R., Morello, J.E., Oh, H.-S., and Collmer, A. 2007. Identification of harpins in Pseudomonas syringae pv. tomato DC3000, which are functionally similar to HrpK1 in promoting translocation of type III secretion system effectors. J. Bacteriol. 189:8059-8072. Pubmed.
Oh, H.-S., Kvitko, B.H., Morello, J.E., and Collmer, A. 2007. Pseudomonas syringae lytic transglycosylases co-regulated with the type III secretion system contribute to the translocation of effector proteins into plant cells. J. Bacteriol. 189:8277-8289. Pubmed.
Ramos, A.R., Morello, J.E., Ravindran, S., Deng, W.-L., Huang, H.-C., and Collmer, A. 2007. Identification of Pseudomonas syringae pv. syringae 61 type III secretion system Hrp proteins that can travel the type III pathway and contribute to the translocation of effector proteins into plant cells. J. Bacteriol. 189:5773-5778. Pubmed.
Schechter, L.M., Roberts, K.A., Jamir, Y., Alfano, J.R., and Collmer, A. 2004. Pseudomonas syringae type III secretion system targeting signals and novel effectors studied with a Cya translocation reporter. J. Bacteriol. 186:543-555. Pubmed.
Peñaloza-Vázquez, A., Preston, G.M., Collmer, A., and Bender, C.L. 2000. Regulatory interactions between the Hrp type III protein secretion system and coronatine biosynthesis in Pseudomonas syringae pv. tomato DC3000. Microbiology 146:2447-2456. Pubmed.
Wei, W., Plovanich-Jones, A., Deng, W.-L., Collmer, A., Huang, H.-C., and He, S.Y. 2000. The gene coding for the Hrp pilus structural protein is required for type III secretion of Hrp and Avr proteins in Pseudomonas syringae pv. tomato. Proc. Natl. Acad. Sci. USA 97:2247-2252. Pubmed.
Collmer, A., Badel, J.L., Charkowski, A.O., Deng, W.-L., Fouts, D.E., Ramos, A.R., Rehm, A.H., Anderson, D.M., Schneewind, O., van Dijk, K., and Alfano, J.R. 2000. Pseudomonas syringae Hrp type III secretion system and effector proteins. Proc. Natl. Acad. Sci. USA 97:8770-8777. Pubmed.
Anderson, D.M., Fouts, D.E., Collmer, A., and Schneewind, O. 1999. Reciprocal secretion of proteins by the bacterial type III machines of plant and animal pathogens suggests universal recognition of mRNA targeting signals. Proc. Natl. Acad. Sci. USA 96:12839-12843. Pubmed.
Hirano, S., Charkowski, A.O., Collmer, A., Willis, D.K., and Upper, C.D. 1999. Role of the Hrp type III protein secretion system in growth of Pseudomonas syringae pv. syringae B728a on host plants in the field. Proc. Natl. Acad. Sci. USA 96:9851-9856. Pubmed.
Charkowski, A.O., Alfano, J.R., Preston, G., Yuan, J., He, S.Y., and Collmer, A. 1998. The Pseudomonas syringae pv. tomato HrpW protein has domains similar to harpins and pectate lyases and can elicit the plant hypersensitive response and bind to pectate. J. Bacteriol. 180:5211-5217. Pubmed.
Deng, W.-L., Preston, G., Collmer, A., Chang, C.-J., and Huang, H.-C. 1998. Characterization of the hrpC and hrpRS operons of Pseudomonas syringae pathovars syringae, tomato, and glycinea and analysis of the ability of hrpF, hrpG, hrcC, hrpT, and hrpV mutants to elicit the hypersensitive response and disease in plants. J. Bacteriol. 180:4523-4531. Pubmed.
Ham, J.H., Bauer, D.W., Fouts, D.E., and Collmer, A. 1998. A cloned Erwinia chrysanthemi Hrp (type III protein secretion) system functions in Escherichia coli to deliver Pseudomonas syringae Avr signals to plant cells and to secrete Avr proteins in culture. Proc. Natl. Acad. Sci. USA 95:10206-10211. Pubmed.
Preston, G., Deng, W.-L., Huang, H.-C., and Collmer, A. 1998. Negative regulation of hrp genes in Pseudomonas syringae by HrpV. J. Bacteriol. 180:4532-4537. Pubmed.
Charkowski, A.O., Huang, H.-C., and Collmer, A. 1997. Altered localization of HrpZ in Pseudomonas syringae pv. syringae hrp mutants suggests that different components of the type III secretion pathway control protein translocation across the inner and outer membranes of gram-negative bacteria. J. Bacteriol. 179:3866-3874. Pubmed.
Alfano, J.R., Bauer, D.W., Milos, T.M., and Collmer, A. 1996. Analysis of the role of the Pseudomonas syringae pv. syringae HrpZ harpin in elicitation of the hypersensitive response in tobacco using functionally nonpolar deletion mutations, truncated HrpZ fragments, and hrmA mutations. Mol. Microbiol. 19:715-728. Pubmed.
Bogdanove, A.J., Beer, S.V., Bonas, U., Boucher, C.A., Collmer, A., Coplin, D.L., Cornelis, G.R., Huang, H.-C., Hutcheson, S.W., Panopoulos, N.J., and Van Gijsegem, F. 1996. Unified nomenclature for broadly conserved hrp genes of phytopathogenic bacteria. Mol. Microbiol. 20:681-683. Pubmed.
Gopalan, S., Bauer, D.W., Alfano, J.R., Loniello, A.O., He, S.Y., and Collmer, A. 1996. Expression of the Pseudomonas syringae avirulence protein AvrB in plant cells alleviates its dependence on the hypersensitive response and pathogenicity (Hrp) secretion system in eliciting genotype-specific hypersensitive cell death. Plant Cell 8:1095-1105. Pubmed.