Journal article

Strain and lineage-level methylome heterogeneity in the multi-drug resistant pathogenic Escherichia coli ST101 clone

Melinda Ashcroft, Brian Forde, Minh-Duy Phan, Kate Peters, Leah Roberts, Kok-Gan Chan, Teik Min Chong, Wai-Fong Yin, David Paterson, Timothy Walsh, Mark Schembri, Scott Beatson

Cold Spring Harbor Laboratory | Published : 2020

Abstract

Escherichia coli Sequence Type (ST)101 is an emerging, multi-drug resistant lineage associated with carbapenem resistance. We recently completed a comprehensive genomics study on mobile genetic elements (MGEs) and their role in bla NDM-1 dissemination within the ST101 lineage. DNA methyltransferases (MTases) are also frequently associated with MGEs, with DNA methylation guiding numerous biological processes including genomic defence against foreign DNA and regulation of gene expression. The availability of Pacific Biosciences Single Molecule Real Time Sequencing data for seven ST101 strains enabled us to investigate the role of DNA methylation on a genome-wide scale (methylome). We defined t..

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