Rapid expansion and international spread of M1UK in the post-pandemic UK upsurge of Streptococcus pyogenes

Bibliographic Details
Title: Rapid expansion and international spread of M1UK in the post-pandemic UK upsurge of Streptococcus pyogenes
Authors: Ana Vieira, Yu Wan, Yan Ryan, Ho Kwong Li, Rebecca L. Guy, Maria Papangeli, Kristin K. Huse, Lucy C. Reeves, Valerie W. C. Soo, Roger Daniel, Alessandra Harley, Karen Broughton, Chenchal Dhami, Mark Ganner, Marjorie A. Ganner, Zaynab Mumin, Maryam Razaei, Emma Rundberg, Rufat Mammadov, Ewurabena A. Mills, Vincenzo Sgro, Kai Yi Mok, Xavier Didelot, Nicholas J. Croucher, Elita Jauneikaite, Theresa Lamagni, Colin S. Brown, Juliana Coelho, Shiranee Sriskandan
Source: Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Publisher Information: Nature Portfolio, 2024.
Publication Year: 2024
Collection: LCC:Science
Subject Terms: Science
More Details: Abstract The UK observed a marked increase in scarlet fever and invasive group A streptococcal infection in 2022 with severe outcomes in children and similar trends worldwide. Here we report lineage M1UK to be the dominant source of invasive infections in this upsurge. Compared with ancestral M1global strains, invasive M1UK strains exhibit reduced genomic diversity and fewer mutations in two-component regulator genes covRS. The emergence of M1UK is dated to 2008. Following a bottleneck coinciding with the COVID-19 pandemic, three emergent M1UK clades underwent rapid nationwide expansion, despite lack of detection in previous years. All M1UK isolates thus-far sequenced globally have a phylogenetic origin in the UK, with dispersal of the new clades in Europe. While waning immunity may promote streptococcal epidemics, the genetic features of M1UK point to a fitness advantage in pathogenicity, and a striking ability to persist through population bottlenecks.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2041-1723
Relation: https://doaj.org/toc/2041-1723
DOI: 10.1038/s41467-024-47929-7
Access URL: https://doaj.org/article/3b5876ad1aa847709f6cd93100503480
Accession Number: edsdoj.3b5876ad1aa847709f6cd93100503480
Database: Directory of Open Access Journals
More Details
ISSN:20411723
DOI:10.1038/s41467-024-47929-7
Published in:Nature Communications
Language:English