Molecular characterization of Cordyline virus 1 isolates infecting yam (Dioscorea spp) - Archive ouverte HAL Access content directly
Journal Articles Archives of Virology Year : 2022

Molecular characterization of Cordyline virus 1 isolates infecting yam (Dioscorea spp)

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Abstract

Cordyline virus 1 (CoV1) is a velarivirus that has so far only been reported in ornamental Ti plants (Cordyline fruticosa). Using high-throughput sequencing, we identified CoV1 infection in yam accessions from Vanuatu. Using a specific RT-PCR assay, we found that CoV1 is also present and highly prevalent in Dioscorea alata, D. cayenensis, and D. trifida in Guadeloupe. Phylogenetic analysis showed that CoV1 isolates infecting yam in Guadeloupe display a low level of molecular diversity. These data provide insights into the transmission of CoV1 in yam in Guadeloupe.
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hal-03747703 , version 1 (08-08-2022)

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Mame Boucar Diouf, Olyvia Gaspard, Armelle Marais, Denis Filloux, Rose-Marie Gomez, et al.. Molecular characterization of Cordyline virus 1 isolates infecting yam (Dioscorea spp). Archives of Virology, 2022, 167, pp.2275-2280. ⟨10.1007/s00705-022-05535-2⟩. ⟨hal-03747703⟩
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