Abstract:P. syringae pv. syringae strain R32 causes the bacterial brown spot disease on bush beans. A 31 kD protein was detected which is involved in the pathogenic response. Monospecific antibodies directed against this 31 kD-protein were used to screen a protein expression gene bank made from the wild type strain R32. A 0.8 kb DNA insert of a clone which gave a positive reaction with the monospecific antibodies was used in hybridizations to clone a larger chromosomal fragment. A km-cassette (kmresistance) was integra… Show more
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