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Journal of Bacteriology, August 2007, p. 5773-5778, Vol. 189, No. 15
0021-9193/07/$08.00+0     doi:10.1128/JB.00435-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

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{triangledown} ,{ddagger}

Adela R. Ramos,1,{dagger} Joanne E. Morello,1,{dagger} Sandeep Ravindran,1 Wen-Ling Deng,2 Hsiou-Chen Huang,2 and Alan Collmer1*

Department of Plant Pathology, Cornell University, Ithaca, NY 14853,1 Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan 402242

Received 23 March 2007/ Accepted 14 May 2007

Pseudomonas syringae translocates effector proteins into plant cells via an Hrp1 type III secretion system (T3SS). T3SS components HrpB, HrpD, HrpF, and HrpP were shown to be pathway substrates and to contribute to elicitation of the plant hypersensitive response and to translocation and secretion of the model effector AvrPto1.


* Corresponding author. Mailing address: Department of Plant Pathology, Cornell University, Ithaca, NY 14853. Phone: (607) 255-7843. Fax: (607) 255-8835. E-mail: arc2{at}cornell.edu

{triangledown} Published ahead of print on 25 May 2007.

{ddagger} Supplemental material for this article may be found at http://jb.asm.org/.

{dagger} A.R.R. and J.E.M. contributed equally to this study.


Journal of Bacteriology, August 2007, p. 5773-5778, Vol. 189, No. 15
0021-9193/07/$08.00+0     doi:10.1128/JB.00435-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.




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