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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 corre...

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Autores principales: Yang, Guang, Che, Xibing, Gofman, Rose, Ben-Shalom, Yossi, Piestun, Dan, Gafny, Ron, Mawassi, Munir, Bar-Joseph, Moshe
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Kluwer Academic Publishers 1999
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7089288/
https://www.ncbi.nlm.nih.gov/pubmed/10499445
http://dx.doi.org/10.1023/A:1008105004407
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author Yang, Guang
Che, Xibing
Gofman, Rose
Ben-Shalom, Yossi
Piestun, Dan
Gafny, Ron
Mawassi, Munir
Bar-Joseph, Moshe
author_facet Yang, Guang
Che, Xibing
Gofman, Rose
Ben-Shalom, Yossi
Piestun, Dan
Gafny, Ron
Mawassi, Munir
Bar-Joseph, Moshe
author_sort Yang, Guang
collection PubMed
description 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.
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spelling pubmed-70892882020-03-23 D-RNA Molecules Associated with Subisolates of the VT Strain of Citrus Tristeza Virus which Induce Different Seedling-Yellows Reactions Yang, Guang Che, Xibing Gofman, Rose Ben-Shalom, Yossi Piestun, Dan Gafny, Ron Mawassi, Munir Bar-Joseph, Moshe Virus Genes Article 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. Kluwer Academic Publishers 1999 /pmc/articles/PMC7089288/ /pubmed/10499445 http://dx.doi.org/10.1023/A:1008105004407 Text en © Kluwer Academic Publishers 1999 This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.
spellingShingle Article
Yang, Guang
Che, Xibing
Gofman, Rose
Ben-Shalom, Yossi
Piestun, Dan
Gafny, Ron
Mawassi, Munir
Bar-Joseph, Moshe
D-RNA Molecules Associated with Subisolates of the VT Strain of Citrus Tristeza Virus which Induce Different Seedling-Yellows Reactions
title D-RNA Molecules Associated with Subisolates of the VT Strain of Citrus Tristeza Virus which Induce Different Seedling-Yellows Reactions
title_full D-RNA Molecules Associated with Subisolates of the VT Strain of Citrus Tristeza Virus which Induce Different Seedling-Yellows Reactions
title_fullStr D-RNA Molecules Associated with Subisolates of the VT Strain of Citrus Tristeza Virus which Induce Different Seedling-Yellows Reactions
title_full_unstemmed D-RNA Molecules Associated with Subisolates of the VT Strain of Citrus Tristeza Virus which Induce Different Seedling-Yellows Reactions
title_short D-RNA Molecules Associated with Subisolates of the VT Strain of Citrus Tristeza Virus which Induce Different Seedling-Yellows Reactions
title_sort d-rna molecules associated with subisolates of the vt strain of citrus tristeza virus which induce different seedling-yellows reactions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7089288/
https://www.ncbi.nlm.nih.gov/pubmed/10499445
http://dx.doi.org/10.1023/A:1008105004407
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