The extracellular acidic and basic virus-elicited proteins of cucumber cotyledons
Ten major host-encoded pathogenesis-associated proteins have been found in extracts of intercellular sap of cucumber cotyledons infected with tobacco necrosis virus. By native and two-dimensional SDS-polyacrylamide gel electrophoresis, five major acidic virus-elicited proteins have been identified and classified on the basis of their molecular mass in three groups: group 1 included one protein of 14 kD; group 2, one protein of 28 kD and group 3, three proteins of 37–40 kD. Another five viruselicited proteins were basis, and were again classified in three groups: group 1, included two proteins of 15–16 kD; group 2, two proteins of 22–23 kD; group 3, one protein of 40 kD.
KeywordsChitinase Tobacco Mosaic Virus Cucumber Plant Cucumber Cotyledon Cucumber Leave
relative molecular mass
polyacrylamide gel electrophoresis
tobacco mosaic virus
tobacco necrosis virus
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