Author: Obermeyer, F. H.; Schaffner, S. F.; Jankowiak, M.; Barkas, N.; Pyle, J. D.; Park, D. J.; MacInnis, B. L.; Luban, J.; Sabeti, P. C.; Lemieux, J. E.
Title: Analysis of 2.1 million SARS-CoV-2 genomes identifies mutations associated with transmissibility Cord-id: d9kes14v Document date: 2021_9_13
ID: d9kes14v
Snippet: Repeated emergence of SARS-CoV-2 variants with increased transmissibility necessitates rapid detection and characterization of new lineages. To address this need, we developed PyR0, a hierarchical Bayesian multinomial logistic regression model that infers relative transmissibility of all viral lineages across geographic regions, detects lineages increasing in prevalence, and identifies mutations relevant to transmissibility. Applying PyR0 to all publicly available SARS-CoV-2 genomes, we identify
Document: Repeated emergence of SARS-CoV-2 variants with increased transmissibility necessitates rapid detection and characterization of new lineages. To address this need, we developed PyR0, a hierarchical Bayesian multinomial logistic regression model that infers relative transmissibility of all viral lineages across geographic regions, detects lineages increasing in prevalence, and identifies mutations relevant to transmissibility. Applying PyR0 to all publicly available SARS-CoV-2 genomes, we identify numerous substitutions that increase transmissibility, including previously identified spike mutations and many non-spike mutations within the nucleocapsid and nonstructural proteins. PyR0 forecasts growth of new lineages from their mutational profile, identifies viral lineages of concern as they emerge, and prioritizes mutations of biological and public health concern for functional characterization.
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