KHALILI, Maryam; CANDRESSE, Thierry; BRANS, Yoann; FAURE, Chantal; AUDERGON, Jean-Marc; DECROOCQ, Véronique; ROCH, Guillaume; MARAIS, Armelle

doi:10.3390/v14112325

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KHALILI, Maryam
Biologie du fruit et pathologie [BFP]

CANDRESSE, Thierry
Biologie du fruit et pathologie [BFP]

BRANS, Yoann
Centre Technique Interprofessionnel des Fruits et Légumes [CTIFL]

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Ce document a été publié dans

Viruses. 2022-10-23, vol. 14, n° 11, p. 2325

MDPI

Résumé en anglais

As part of a virome characterization of Prunus species, a novel cheravirus was discovered in two wild species, Prunus brigantina and P. mahaleb, and in an apricot (P. armeniaca) accession. The sequence of the two genomic RNAs was completed for two isolates. The Pro-Pol conserved region showed 86% amino acid (aa) identity with the corresponding region of trillium govanianum cheravirus (TgCV), a tentative Cheravirus member, whereas the combined coat proteins (CPs) shared only 40% aa identity with TgCV CPs, well below the species demarcation threshold for the genus. This suggests that the new virus should be considered a new species for which the name alpine wild prunus virus (AWPV) is proposed. In parallel, the complete genome sequence of stocky prune virus (StPV), a poorly known cheravirus for which only partial sequences were available, was determined. A phylogenetic analysis showed that AWPV, TgCV and StPV form a distinct cluster, away from other cheraviruses.< Réduire

Mots clés en anglais

high-throughput sequencing

stone fruit

phylogenetic analysis

prunus

cheravirus

stocky prune virus

alpine wild prunus virus

DOI

http://dx.doi.org/10.3390/v14112325

Projet Européen

Horizon 2020 Marie Skłodowska-Curie Actions Innovative Training Network (H2020 MSCA-60 ITN)
Innovative Network for Next Generation Training and Sequencing of Virome

Origine

Importé de hal

Unités de recherche

Biologie du Fruit & Pathologie (BFP) - UMR 1332