SCUSSEL, Sarah; CANDRESSE, Thierry; MARAIS, Armelle; CLAVERIE, Sohini; HOAREAU, Murielle; AZALI, Hamza A.; VERDIN, Eric; TEPFER, Mark; FILLOUX, Denis; FERNANDEZ, Emmanuel; ROUMAGNAC, Philippe; ROBÈNE, Isabelle; LEFEUVRE, Pierre; JOURDA, Cyril; ROUX-CUVELIER, Michel; LETT, Jean-Michel

doi:10.1007/s00705-019-04228-7

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SCUSSEL, Sarah
Pôle de Protection des Plantes

CANDRESSE, Thierry
Biologie du fruit et pathologie [BFP]

MARAIS, Armelle
Biologie du fruit et pathologie [BFP]

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Archives of Virology. 2019, vol. 164, n° 8, p. 2193–2196

Springer Verlag

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Using high-throughput sequencing of small interfering RNAs (siRNAs), virion-associated nucleic acid (VANA), and double stranded RNAs (dsRNAs), we have determined the complete genome sequences of Comorian isolates of two ipomoviruses, cassava brown streak virus (CBSV) and a divergent isolate of Ugandan cassava brown streak virus (UCBSV-KM) representing a new strain of this virus. While the large ORF of CBSV shares the highest nucleotide sequence identity (95.9%) with a Tanzanian isolate of CBSV, the large UCBSV-KM ORF shares the highest nucleotide sequence identity (77.5%) with a Malawian isolate of UCBSV. This low value is near the species demarcation threshold for the family Potyviridae (<76%). Phylogenetic analysis confirms that UCBSV-KM represents a new lineage that is genetically distinct from the currently described UCBSV strains.< Leer menos

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High-throughput sequencing of complete genomes of ipomoviruses associated with an epidemic of cassava brown streak disease in the Comoros Archipelago

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