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VIEW ARTICLE   |    DOI: 10.1094/MPMI-8-0778


Lipopolysaccharide from Xanthomonas campestris Induces Defense-Related Gene Expression in Brassica campestris. Mari- Anne Newman. The Sainsbury Laboratory, John Innes Centre, Norwich Research Park, Colney Lane, Norwich NR4 7UH, U.K. Michael J. Daniels, and J. Maxwell Dow. The Sainsbury Laboratory, John Innes Centre, Norwich Research Park, Colney Lane, Norwich NR4 7UH, U.K. MPMI 8:778-780. Accepted 25 May 1995. Copyright 1995 The American Phytopathological Society.


Purified lipopolysaccharide (LPS) from Xanlhomonas campestris pv. campestris induced accumulation of transcript for (-l,3-glucanase in turnip at concentrations of 1 g/ml. The lipid A-inner core structure was required for activity but the O-an(igen had no role. We suggest that release of LPS in planta triggers expression of at least some defense-related genes.

Additional Keywords: altered lipopolysaccharide, black rot.