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The Pseudomonas syringae Hrp pathogenicity island has a tripartite mosaic structure composed of a
 

Summary: 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
James R. Alfano*
, Amy O. Charkowski§
, Wen-Ling Deng
, Jorge L. Badel
, Tanja Petnicki-Ocwieja*, Karin van Dijk*,
and Alan Collmer¶
*Department of Biological Sciences, University of Nevada, Las Vegas, NV 89154-4004; and Department of Plant Pathology, Cornell University,
Ithaca, NY 14853-4203
Communicated by Eugene W. Nester, University of Washington, Seattle, WA, February 16, 2000 (received for review December 9, 1999)
The plant pathogenic bacterium Pseudomonas syringae is divided
into pathovars differing in host specificity, with P. syringae pv.
syringae (Psy) and P. syringae pv. tomato (Pto) representing par-
ticularly divergent pathovars. P. syringae hrp hrc genes encode a
type III protein secretion system that appears to translocate Avr

  

Source: Alfan, James R. - Department of Plant Pathology, University of Nebraska-Lincoln

 

Collections: Biology and Medicine