MicrobiologybioRxiv
OmpF Downregulation Mediated by Sigma E or OmpR Activation Confers Cefalexin Resistance in Escherichia coli in the Absence of Acquired β-Lactamases.
M. Alzayn, P. Dulyayangkul, N. Satapoomin…·M. B. Avison
This study identifies OmpF downregulation via Sigma E or OmpR activation as a mechanism for cefalexin resistance in E. coli without β-lactamase production.
DOI 10.1128/aac.01004-21