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Genomic variance of the 2019-nCoV coronavirus
Ceraolo, C
Giorgi, F
Acceso Abierto
Atribución-NoComercial-SinDerivadas
There is a rising global concern for the recently emerged novel coronavirus (2019-nCoV). Full genomic sequences have been released by the worldwide scientific community in the last few weeks to understand the evolutionary origin and molecular characteristics of this virus. Taking advantage of all the genomic information currently available, we constructed a phylogenetic tree including also representatives of other coronaviridae, such as Bat coronavirus (BCoV) and severe acute respiratory syndrome. We confirm high sequence similarity (>99%) between all sequenced 2019-nCoVs genomes available, with the closest BCoV sequence sharing 96.2% sequence identity, confirming the notion of a zoonotic origin of 2019-nCoV. Despite the low heterogeneity of the 2019-nCoV genomes, we could identify at least two hypervariable genomic hotspots, one of which is responsible for a Serine/Leucine variation in the viral ORF8-encoded protein. Finally, we perform a full proteomic comparison with other coronaviridae, identifying key aminoacidic differences to be considered for antiviral strategies deriving from previous anti-coronavirus approaches.
Journal of Medical Virology
2020
Preimpreso
https://coronavirus.1science.com/item/a8469be02f5c32438ee46a198b1bb6916b98b0c4
Inglés
VIRUS RESPIRATORIOS
Aparece en las colecciones: Artículos científicos

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