Serological Analysis ofPseudomonas syringaepv.tomato
- 1 January 1983
- journal article
- research article
- Published by Scientific Societies in Phytopathology®
- Vol. 73 (2) , 178-181
- https://doi.org/10.1094/phyto-73-178
Abstract
Antibodies were developed to the somatic, flagellar, cytoplasmic and extracellular antigens of P. syringae pv. tomato. Precipitin tests were of little diagnostic value since antibodies to the cytoplasmic and extracellular antigens cross-reacted with antigens of other bacteria and plant extracts. Conversely, agglutination tests were stable, sensitive and differential. Long-term [rabbit] immunization increased titers to the somatic and flagellar antigens to 16,000 and reduced cross-reactivity. Elimination of polysaccharides from the immunogen and from the test antigen further reduced cross-reactivity.Keywords
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