Intergeneric recombination between a new, spinach-infecting curtovirus and a new geminivirus belonging to the genus Becurtovirus: first New World exemplar (Record no. 48812)

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control field MX-MdCICY
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control field 20250625153945.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-14626
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245 10 - TITLE STATEMENT
Title Intergeneric recombination between a new, spinach-infecting curtovirus and a new geminivirus belonging to the genus Becurtovirus: first New World exemplar
490 0# - SERIES STATEMENT
Volume/sequential designation Arch Virol, 158, p.2245-2254, 2013
520 3# - SUMMARY, ETC.
Summary, etc. A novel curtovirus, spinach severe curly top virus (SSCTV), was associated with symptomatic spinach plants collected from a commercial field in south-central Arizona during 2009. In addition, a second viral molecule of about 2.9 kb from the same spinach plants was amplified, cloned and sequenced. The latter isolate, herein named spinach curly top Arizona virus (SCTAV), was found to share 77 percent pairwise sequence identity with beet curly top Iran virus (BCTIV), a leafhopper-transmitted geminivirus that has been assigned to the new genus Becurtovirus. The SCTAV genome encodes three viral-sense genes, V1, V2, and V3, and two complementary-sense genes, C1 and C2. There was no evidence for the presence of either a C3 or C4 ORF in the genome sequence. The genome organization of SCTAV is not like that of New World curtoviruses but instead is similar to that of BCTIV, which, to date, is only known to be present in Iran. Consistent with this observation, SCTAV and BCTIV both contain the unusual nonanucleotide TAAGATT/CC and a replication-associated protein, Rep (or C1), that is more closely related to the mastrevirus Rep than to those of curtoviruses reported to date. Both SSCTV and SCTAVwere found to have a recombinant genome containing sequences (AY548948)derived from ancestral SCTV sequences in the virion-sense portions of the genome. Agroinoculation of Nicotiana benthamiana (Domin)plants with the cloned genome of SCTAV resulted in infection of 95 percent of the plants and the development of severe curling symptoms, whereas only 20 percent of the SSCTV-inoculated plants were infected, developing only mild curling symptoms. When plants were co-inoculated with both viruses, the frequency of infection remained higher for SCTAV than for SSCTV (80 percent vs. 20 percent), indicating no evidence of synergistic effects between the two viruses with respect to efficiency of infection.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Hernández-Zepeda, C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Varsani, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Brown, J.K.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/17wgEIle0ntFcWvxo0mg5SIEcjHMiDhDb/view?usp=drivesdk">https://drive.google.com/file/d/17wgEIle0ntFcWvxo0mg5SIEcjHMiDhDb/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-14626 25.06.2025 25.06.2025 Documentos solicitados