Histone-like Proteins IN Tobacco Plants Infected With Tobacco Mosaic-virus

Balázs, Ervin and Gáborjányi, Richard and Tyihák, Ernő (1979) Histone-like Proteins IN Tobacco Plants Infected With Tobacco Mosaic-virus. ACTA PHYTOPATHOLOGICA ACADEMIAE SCIENTIARUM HUNGARICAE, 14 (3-4). pp. 239-246. ISSN 0001-6780

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Abstract

The histone-like protein content was determined in Xanthi-11c and Samsun tobacco plants two days after infection with tobacco mosaic virus (TM V). A virusrelated change in the histone-like protein content was observed in a hypersensitive host-TMV combination. There were no changes in systemic host-TMV combinations (Samsun tobacco at 24°C and Xanthi-11c at 32°C). No qual itative changes in the histonelike protein components were detectable using gel electrophoresis. P ure histones (both plant and animal) reduced the infcctivity of TMV. The increased histone-like protein content in the hypersensitive relationship suggests that proteins may play a role in the hypersensitive reaction and possibly in the curtailment of virus spread.

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