The extracellular acidic and basic pathogenesis-related proteins of soybean induced by viral infection
1989
Roggero, P. | Pennazio, S.
Seventeen major host-encoded pathogenesis related (PR)-proteins have been found in intercellular fluids of necrotic virus-infected soybean leaves. None of them was present in fluids of healthy controls. By native and SDS-denaturing polyacrylamide gel electrophoresis, ten major acidic PR-proteins have been identified and classified on the basis of their molecular weight in three groups: group 1 included four proteins of 16-17 Kd, group 2, three proteins of 26 Kd, group 3, three proteins of 32 Kd. Seven Pr-proteins were basic, and were classified in three groups: group 1 included three proteins of 16 Kd, group 2, one protein of 23 Kd, group 3, three proteins of 32 Kd. As found for tobacco and potato, soybean PR-protein patterns show high number of acidic and basic proteins
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