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Demonstration of the specific involvement of coat protein in tobacco mosaic virus (TMV) cross protection using a TMV coat protein mutant

By: Sherwood, J.L.
Material type: materialTypeLabelArticlePublisher: 1987ISSN: 0931-1785.Subject(s): Control | Dicotyledons | Economic plants | Organic compounds | Ornamental monocarps | Ornamental plants | Pest control methods | Plant diseases | Plants | Resistance to injurious factors | Solanaceae | Tubiflorae | Viruses AGROVOCDDC classification: 88-024749 In: Journal of Phytopathology (Germany, F.R.). (1987). v. 118(4) p. 358-362Summary: The DT-1G mutant of tobacco mosaic virus (TMV) which has no coat protein was used to study the specific involvement of coat protein in TMV cross protection in N. sylvestris. Leaves of N. sylvestris previously inoculated with the mutant or the common strain of TMV were challenged with either turnip mosaic virus (TuMV) or a strain of TMV (TMV-N). Both TuMV and TMV-N produce necrotic lesions on N. sylvestris. About one-half as many lesions were produced by TuMV and TMV-N on leaves inoculated with the DT-1G mutant compared with lesions produced by the same inoculum on control leaves. When leaves of N. sylvestris previously inoculated with the common strain of TMV were challenged with either TuMV or TMV-N, TuMV produced about one-half as many lesions as on control leaves whereas TMV-N produced about one-tenth as many lesions as on control leaves. A high level of non-specific resistance was induced by the mutant without coat protein, but it did not specifically protect against TMVCollection: AGRIS Collection
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Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

AGRIS Collection 88-024749 (Browse shelf) Available
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1 table; 11 ref. Summaries (De, En)

The DT-1G mutant of tobacco mosaic virus (TMV) which has no coat protein was used to study the specific involvement of coat protein in TMV cross protection in N. sylvestris. Leaves of N. sylvestris previously inoculated with the mutant or the common strain of TMV were challenged with either turnip mosaic virus (TuMV) or a strain of TMV (TMV-N). Both TuMV and TMV-N produce necrotic lesions on N. sylvestris. About one-half as many lesions were produced by TuMV and TMV-N on leaves inoculated with the DT-1G mutant compared with lesions produced by the same inoculum on control leaves. When leaves of N. sylvestris previously inoculated with the common strain of TMV were challenged with either TuMV or TMV-N, TuMV produced about one-half as many lesions as on control leaves whereas TMV-N produced about one-tenth as many lesions as on control leaves. A high level of non-specific resistance was induced by the mutant without coat protein, but it did not specifically protect against TMV

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