At the present time, the polymyxin antibiotic colistin is considered a last-line treatment option
for severe human infections caused by multi-drug and carbapenem-resistant Gram-negative …

Colistin has been extensively used since the middle of the last century in animals,
particularly in swine, for the control of enteric infections. Colistin is presently considered the …

The identification of the first mobile colistin resistance (MCR) gene, mcr-1, in 2015 triggered
a rash of mcr screening reports. Subsequently, nine MCR-family genes and their variants …