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D-RNA molecules associated with subisolates of the VT strain of citrus tristeza virus which induce different seedling-yellows reactions
Year:
1999
Source of publication :
Virus Genes
Authors :
Bar-Joseph, Moshe
;
.
Ben-Shalom, Joseph
;
.
Che, Xibing
;
.
Gafny, Ron
;
.
Gofman, Rose
;
.
Mawassi, Munir
;
.
Yang, Guang
;
.
Volume :
19
Co-Authors:
Yang, G., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Che, X., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Gofman, R., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Ben-Shalom, Y., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Piestun, D., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Gafny, R., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Mawassi, M., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Bar-Joseph, M., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
5
To page:
13
(
Total pages:
9
)
Abstract:
Citrus tristeza virus (CTV) strains were previously catalogued as seedling-yellows (SY) and non-SY (nSY) types, according to their yellowing and stunting effects on indicator seedlings. Among subisolates of the VT strain, which were selected from chronically infected Alemow plants, there was a correlation between the presence of 2.4-, 2.7- and 4.5-kb D-RNAs, and SY and nSY reactions, respectively. Similarly, plants infected with Mor-T subisolates, which cause SY, contained D-RNAs of 2.6 to 2.8 kb, while nSY subisolates from recovered sour orange tissue contained a major D-RNA of 5.1 kb. Plants harboring the 2.7-kb D-RNA were protected against challenge inoculation with a subisolate harboring the 4.5-kb D-RNA. This study suggests that the nSY reaction results either from the absence of SY gene(s) in the genomes of certain CTV strains or through the suppression of the effects of SY gene(s) by D-RNAs with 5' parts larger than 4000 nt.
Note:
Related Files :
Citrus aurantium
Citrus tristeza virus
Closterovirus
Genome, Viral
Interference
Plant Diseases
Variation (Genetics)
virus DNA
Show More
Related Content
More details
DOI :
10.1023/A:1008105004407
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
26903
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:26
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Scientific Publication
D-RNA molecules associated with subisolates of the VT strain of citrus tristeza virus which induce different seedling-yellows reactions
19
Yang, G., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Che, X., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Gofman, R., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Ben-Shalom, Y., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Piestun, D., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Gafny, R., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Mawassi, M., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
Bar-Joseph, M., S. Tolkowsky Laboratory, Agricultural Research Organization, Volcani Center, Bet Dagan, Israel
D-RNA molecules associated with subisolates of the VT strain of citrus tristeza virus which induce different seedling-yellows reactions
Citrus tristeza virus (CTV) strains were previously catalogued as seedling-yellows (SY) and non-SY (nSY) types, according to their yellowing and stunting effects on indicator seedlings. Among subisolates of the VT strain, which were selected from chronically infected Alemow plants, there was a correlation between the presence of 2.4-, 2.7- and 4.5-kb D-RNAs, and SY and nSY reactions, respectively. Similarly, plants infected with Mor-T subisolates, which cause SY, contained D-RNAs of 2.6 to 2.8 kb, while nSY subisolates from recovered sour orange tissue contained a major D-RNA of 5.1 kb. Plants harboring the 2.7-kb D-RNA were protected against challenge inoculation with a subisolate harboring the 4.5-kb D-RNA. This study suggests that the nSY reaction results either from the absence of SY gene(s) in the genomes of certain CTV strains or through the suppression of the effects of SY gene(s) by D-RNAs with 5' parts larger than 4000 nt.
Scientific Publication
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