Molecular characterization of natural Erwinia pyrifoliae strains deficient in hypersensitive response |
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| Authors: | Jock Susanne Kim Won-Sik Barny Marie-Anne Geider Klaus |
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| Institution: | Max-Planck-Institut für Zellbiologie, Rosenhof, 68526 Ladenburg, Germany. |
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| Abstract: | From necrotic tissue of a Nashi pear tree, 24 Erwinia pyrifoliae strains, found to be identical by pulsed-field gel electrophoresis analysis, were isolated. Thirteen strains were not virulent on immature pears and did not induce a hypersensitive response in tobacco leaves. The defective gene hrpL was complemented with intact genes from E. pyrifoliae and Erwinia amylovora. |
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