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http://hdl.handle.net/10261/101824
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dc.contributor.author | Guo, Hui Shan | - |
dc.contributor.author | López-Moya Gómez, Juan José | - |
dc.contributor.author | García, Juan Antonio | - |
dc.date.accessioned | 2014-09-09T06:35:03Z | - |
dc.date.available | 2014-09-09T06:35:03Z | - |
dc.date.issued | 1998-10-01 | - |
dc.identifier | doi: 10.1016/S0168-1702(98)00100-2 | - |
dc.identifier | issn: 0168-1702 | - |
dc.identifier.citation | Virus Research 57(2): 183-195 (1998) | - |
dc.identifier.uri | http://hdl.handle.net/10261/101824 | - |
dc.description.abstract | Infectious RNA transcripts were generated from a chimeric cDNA clone of the plum pox potyvirus (PPV) genome containing the bacterial β-glucuronidase (GUS) gene inserted between the sequences coding for the P1 and HC proteins. An artificial cleavage site specific for the NIa viral proteinase was engineered between the GUS and HC sequences to produce free GUS and HC proteins. The resulting virus PPVGus↓ was stably maintained during the first round of infection, although plants remained symptomless and virus accumulation was delayed with respect to wild-type infection. PPVGus↓ deleted variants, missing between 645 and 1779 nt, were detected in a subsequent plant passage. PPVGus↓ deletions were confined inside the GUS gene, never affecting the P1 and HC coding regions, in contrast with previous reports of deletions in other potyvirus-based vector, in which deletions frequently reached the HC gene. These results suggest that the N-terminus of the PPV HC protein may be essential for virus viability. Analysis of the deletion endpoints showed short stretches of similarity in donor and acceptor RNAs, as well as oligo A tracts conserved in most junction sites, suggesting that deletions in PPVGus↓ might take place by similarity-assisted recombination events. Copyright (C) 1998 Elsevier Science B.V. | - |
dc.description.sponsorship | This work was supported by Grants BIO95-0076 and BIO98-0769 from CICYT, 06G/021/96 from Comunidad de Madrid and BIO4-CT96-0304 and BIO4-CT97-2300 from the Biotechnology Program of the European Union. | - |
dc.publisher | Elsevier | - |
dc.rights | closedAccess | - |
dc.subject | Potyviridae | - |
dc.subject | Sharka virus | - |
dc.subject | Viral vector | - |
dc.subject | GUS | - |
dc.subject | RNA recombination | - |
dc.title | Susceptibility to recombination rearrangements of a chimeric plum pox potyvirus genome after insertion of a foreign gene | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/S0168-1702(98)00100-2 | - |
dc.date.updated | 2014-09-09T06:35:03Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
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