Detection of SARS-CoV-2 intra-host recombination during superinfection with Alpha and Epsilon variants in New York City

  • Joel O. Wertheim
  • , Jade C. Wang
  • , Mindy Leelawong
  • , Darren P. Martin
  • , Jennifer L. Havens
  • , Moinuddin A. Chowdhury
  • , Jonathan E. Pekar
  • , Helly Amin
  • , Anthony Arroyo
  • , Gordon A. Awandare
  • , Hoi Yan Chow
  • , Edimarlyn Gonzalez
  • , Elizabeth Luoma
  • , Collins M. Morang’a
  • , Anton Nekrutenko
  • , Stephen D. Shank
  • , Stefan Silver
  • , Peter K. Quashie
  • , Jennifer L. Rakeman
  • , Victoria Ruiz
  • Lucia V. Torian, Tetyana I. Vasylyeva, Sergei L. Kosakovsky Pond, Scott Hughes

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Recombination is an evolutionary process by which many pathogens generate diversity and acquire novel functions. Although a common occurrence during coronavirus replication, detection of recombination is only feasible when genetically distinct viruses contemporaneously infect the same host. Here, we identify an instance of SARS-CoV-2 superinfection, whereby an individual was infected with two distinct viral variants: Alpha (B.1.1.7) and Epsilon (B.1.429). This superinfection was first noted when an Alpha genome sequence failed to exhibit the classic S gene target failure behavior used to track this variant. Full genome sequencing from four independent extracts reveals that Alpha variant alleles comprise around 75% of the genomes, whereas the Epsilon variant alleles comprise around 20% of the sample. Further investigation reveals the presence of numerous recombinant haplotypes spanning the genome, specifically in the spike, nucleocapsid, and ORF 8 coding regions. These findings support the potential for recombination to reshape SARS-CoV-2 genetic diversity.

Original languageEnglish (US)
Article number3645
JournalNature communications
Volume13
Issue number1
DOIs
StatePublished - Dec 2022

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Biochemistry, Genetics and Molecular Biology
  • General Physics and Astronomy

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