Reoccurring <i>Escherichia coli</i> O157:H7 Strain Linked to Leafy Greens–Associated Outbreaks, 2016–2019
Jessica C. Chen, Kane Patel, Peyton A. Smith, Eshaw Vidyaprakash, Caroline Snyder, Kaitlin A. Tagg, Hattie E. Webb, Morgan N. Schroeder, Lee S. Katz, Lori A. Rowe, Dakota Howard, Taylor Griswold, Rebecca L. Lindsey, Heather A. Carleton
Abstract
Genomic characterization of an Escherichia coli O157:H7 strain linked to leafy greens-associated outbreaks dates its emergence to late 2015. One clade has notable accessory genomic content and a previously described mutation putatively associated with increased arsenic tolerance. This strain is a reoccurring, emerging, or persistent strain causing illness over an extended period.
Topics & Concepts
Escherichia coliStrain (injury)OutbreakCladeBiologyLeafyMicrobiologyGeneticsVirologyPhylogenetic treeGeneBotanyAnatomyEscherichia coli research studiesSalmonella and Campylobacter epidemiologyListeria monocytogenes in Food Safety