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Inducing partial protection in the host plantwith native virus protein
Year:
1962
Source of publication :
Virology
Authors :
לובנשטיין, גד
;
.
Volume :
17
Co-Authors:
Loebenstein, G., Agricultural Research Station, The National and University Institute, Rehovot, Israel
Facilitators :
From page:
574
To page:
581
(
Total pages:
8
)
Abstract:
A kind of partial protection was achieved by treating half-leaves of Nicotiana glutinosa with dilute native tobacco mosaic virus (TMV) protein solutions, and inoculating with TMV 4 days later. Treatment of leaves with TMV protein 1 day or less before inoculation with TMV did not reduce the number of lesions. A direct inhibiting effect of the dilute protein, therefore, does not seem to be the cause. In subsequent studies this local protection effect against TMV was observed in Datura stramonium. Reduced susceptibility of upper untreated leaves of N. glutinosa and D. stramonium plants whose lower leaves had been treated with TMV protein showed that this type of protection was systemic. A preliminary study with S35-labeled TMV protein gave no indication of any translocation of the protein per se. TMV protein protected Gomphrena globosa and D. stramonium plants against potato virus X, but not against cucumber mosaic virus in Chenopodium amaranticolor. The effect of TMV protein does not seem to be associated with traces of RNase, which may occur in proteins and differs in its action from that of milk protein, egg albumin, hemoglobin, soya α-protein, and casein. These results suggest the formation of "protective substances" in the plant and their translocation, in analogy to the interferon-induced effect in animal virology. © 1962.
Note:
Related Files :
article
plant
Plants
PLANTS/virology
Protein
proteins
PROTEINS/pharmacology
Virology
Viruses
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DOI :
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
28018
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:36
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Scientific Publication
Inducing partial protection in the host plantwith native virus protein
17
Loebenstein, G., Agricultural Research Station, The National and University Institute, Rehovot, Israel
Inducing partial protection in the host plantwith native virus protein
A kind of partial protection was achieved by treating half-leaves of Nicotiana glutinosa with dilute native tobacco mosaic virus (TMV) protein solutions, and inoculating with TMV 4 days later. Treatment of leaves with TMV protein 1 day or less before inoculation with TMV did not reduce the number of lesions. A direct inhibiting effect of the dilute protein, therefore, does not seem to be the cause. In subsequent studies this local protection effect against TMV was observed in Datura stramonium. Reduced susceptibility of upper untreated leaves of N. glutinosa and D. stramonium plants whose lower leaves had been treated with TMV protein showed that this type of protection was systemic. A preliminary study with S35-labeled TMV protein gave no indication of any translocation of the protein per se. TMV protein protected Gomphrena globosa and D. stramonium plants against potato virus X, but not against cucumber mosaic virus in Chenopodium amaranticolor. The effect of TMV protein does not seem to be associated with traces of RNase, which may occur in proteins and differs in its action from that of milk protein, egg albumin, hemoglobin, soya α-protein, and casein. These results suggest the formation of "protective substances" in the plant and their translocation, in analogy to the interferon-induced effect in animal virology. © 1962.
Scientific Publication
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