Molecular Characterization of Natural Erwinia pyrifoliae Strains Deficient in Hypersensitive Response
Open Access
- 1 January 2003
- journal article
- Published by American Society for Microbiology in Applied and Environmental Microbiology
- Vol. 69 (1) , 679-682
- https://doi.org/10.1128/aem.69.1.679-682.2003
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 .Keywords
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