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Proc. Natl. Acad. Sci. USA Vol. 93, pp. 1549715502, December 1996
 

Summary: Proc. Natl. Acad. Sci. USA
Vol. 93, pp. 1549715502, December 1996
Plant Biology
Molecular recognition of pathogen attack occurs inside of plant
cells in plant disease resistance specified by the Arabidopsis
genes RPS2 and RPM1
R. TODD LEISTER*, FREDERICK M. AUSUBEL, AND FUMIAKI KATAGIRI*
*Department of Biological Sciences, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250; and Department of Molecular
Biology, Massachusetts General Hospital and Department of Genetics, Harvard Medical School, Boston, MA 02114
Contributed by Frederick M. Ausubel, October 10, 1996
ABSTRACT The Arabidopsis thaliana disease resistance
genes RPS2 and RPM1 belong to a class of plant disease
resistance genes that encode proteins that contain an N-
terminal tripartite nucleotide binding site (NBS) and a C-
terminal tandem array of leucine-rich repeats. RPS2 and
RPM1 confer resistance to strains of the bacterial phytopatho-
gen Pseudomonas syringae carrying the avirulence genes avr-
Rpt2 and avrB, respectively. In these gene-for-gene relation-
ships, it has been proposed that pathogen avirulence genes
generate specific ligands that are recognized by cognate

  

Source: Ausubel, Frederick M. - Department of Genetics, Harvard University

 

Collections: Biology and Medicine