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Generation and transmission of interlineage recombinants in the SARS-CoV-2 pandemic

  • The COVID-19 Genomics UK (COG-UK) Consortium
  • , Sanger Covid Team
  • Department of Medicine
  • EaStCHEM School of Chemistry, University of Edinburgh
  • Pennsylvania State University
  • Public Health Wales
  • University of Liverpool
  • University of Birmingham
  • Cardiff University
  • MRC-University of Glasgow Centre for Virus Research
  • University of Oxford
  • Royal Veterinary College University of London

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

171 Citas (Scopus)

Resumen

We present evidence for multiple independent origins of recombinant SARS-CoV-2 viruses sampled from late 2020 and early 2021 in the United Kingdom. Their genomes carry single-nucleotide polymorphisms and deletions that are characteristic of the B.1.1.7 variant of concern but lack the full complement of lineage-defining mutations. Instead, the remainder of their genomes share contiguous genetic variation with non-B.1.1.7 viruses circulating in the same geographic area at the same time as the recombinants. In four instances, there was evidence for onward transmission of a recombinant-origin virus, including one transmission cluster of 45 sequenced cases over the course of 2 months. The inferred genomic locations of recombination breakpoints suggest that every community-transmitted recombinant virus inherited its spike region from a B.1.1.7 parental virus, consistent with a transmission advantage for B.1.1.7's set of mutations.

Idioma originalInglés
Páginas (desde-hasta)5179-5188.e8
PublicaciónCell
Volumen184
N.º20
DOI
EstadoPublicada - 30 sep. 2021
Publicado de forma externa

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