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EnglishA new member of the family Closteroviridae was detected in Actinidia chinensis grown in Italy, using next generation sequencing of double-stranded RNA. The virus isolate, named Actinidia virus 1 (AcV-1) has a genome of 18,848Â nts in length, a structure similar to the unclassified persimmon virus B (PeVB) and contains 12 open reading frames (ORFs) greater than 6Â KDa, one carrying two papain-like leader proteases, a methyltransferase, a helicase and an RNA-dependent RNA polymerase domain. Additional ORFs code for homologs of heat shock protein 70, heat shock protein 90 and a coat protein. Curiously, AcV-1 and PeVB genomes code for a thaumatin-like protein, a peculiarity unreported for other viruses. In phylogenetic analyses both viruses group in a distinct clade evolutionarily related to closteroviruses. The final taxonomic position of AcV-1 within the family Closteroviridae is yet to be clarified.
| Titolo: | Characterization of Actinidia virus 1, a new member of the family Closteroviridae encoding a thaumatin-like protein |
| Autore/i: | Blouin, A. G.; Biccheri, R.; Khalifa, M. E.; Pearson, M. N.; Poggi Pollini, C.; Hamiaux, C.; Cohen, D.; Ratti, C. |
| Autore/i Unibo: | |
| Anno: | 2018 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1007/s00705-017-3610-z |
| Abstract: | A new member of the family Closteroviridae was detected in Actinidia chinensis grown in Italy, using next generation sequencing of double-stranded RNA. The virus isolate, named Actinidia virus 1 (AcV-1) has a genome of 18,848Â nts in length, a structure similar to the unclassified persimmon virus B (PeVB) and contains 12 open reading frames (ORFs) greater than 6Â KDa, one carrying two papain-like leader proteases, a methyltransferase, a helicase and an RNA-dependent RNA polymerase domain. Additional ORFs code for homologs of heat shock protein 70, heat shock protein 90 and a coat protein. Curiously, AcV-1 and PeVB genomes code for a thaumatin-like protein, a peculiarity unreported for other viruses. In phylogenetic analyses both viruses group in a distinct clade evolutionarily related to closteroviruses. The final taxonomic position of AcV-1 within the family Closteroviridae is yet to be clarified. |
| Data stato definitivo: | 2019-11-04T11:46:41Z |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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