Diversity and pathobiology of an Ilarvirus unexpectedly detected in diverse plants and global sequencing data
Mark Paul Selda Rivarez, Chantal Faure, Laurence Svanella-Dumas, Anja Pecman, Magda Tušek-Žnidaric, Deborah Schönegger, Kris De Jonghe, Arnaud Blouin, David Rasmussen, Sebastien Massart, Maja Ravnikar, Denis Kutnjak, Armelle Marais, Thierry Candresse. https://doi.org/10.1094/PHYTO-12-22-0465-V HTS virome surveys, mining of sequence read archives, and a literature search identified globally Solanum nigrum ilarvirus 1 (SnIV1) from diverse plant and non-plant sources. Its isolates showed relatively low variability. Systemic infection of SnIV1 in Solanum villosum and its mechanical and graft transmissibility to several solanaceous species were demonstrated, as well as its seed-transmission and potential pollen transmission. Overall, modern and classical virological approaches a better understanding of the diversity, global presence and pathobiology of SnIV1
- 05 February 2023
- Yolanda Hernando Saiz
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Solanum nigrum ilarvirus 1 (SnIV1) (Bromoviridae) was recently reported in various solanaceous plants from France, Slovenia, Greece, and South Africa as well as from grapevine (Vitaceae) and several Fabaceae and Rosaceae species, a diverse set of source organisms atypical for ilarviruses. HTS-based virome surveys, mining of sequence read archives, and a literature search, identified globally Solanum nigrum ilarvirus 1 (SnIV1) from diverse plant and non-plant sources. Its isolates showed relatively low variability but phylogenetic analyses identified a basal clade of European isolates. Systemic infection of SnIV1 in Solanum villosum and its mechanical and graft transmissibility to several solanaceous species were demonstrated, as well as its seed-transmition and potential pollen transmission. Overall, modern and classical virological approaches provided information to better understand the diversity, global presence, and pathobiology of SnIV1.
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