biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 25:147, 1983 | DOI: 10.1007/BF02902128

Virus-induced virus inhibitors from systemically virus-infected plants

Christine Wetzler1, G. Schuster1
1 Division of Plant Physiology and Microbiology, Department of Life Sciences, Karl Marx University Leipzig, Leipzig, Talstrasse 33, German Democratic Republic

After infection ofNicotiana tabacum cv. Samsun with tobacco mosaic virus (TMV) crude extracts from dark-green spots of upper leaves had a more strongly marked inhibitory effect upon TMV addedin vitro than crude extracts from the surrounding light-green tissue. Likewise, crude extracts from leaves ofNicotiana tabacum cv. Samsun showing recovery after infection with tobacco ringspot virus (TRV) were seen to have a marked inhibitory effect on TMV addedin vitro. The results obtained suggest that virus inhibitors are produced after virus infections not only in hypersensitive hosts but also in systemic hosts. Necrotizing processes are not an indispensable prerequisite of the production of virus-induced virus inhibitors.

Received: October 28, 1981; Accepted: May 17, 1982; Published: March 1, 1983  Show citation

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Wetzler, C., & Schuster, G. (1983). Virus-induced virus inhibitors from systemically virus-infected plants. Biologia plantarum, 25(2), 147. doi: 10.1007/BF02902128
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