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Table 1 Characteristics of all reported mcr-8.1carrying isolates. COL: colistin; MIC: minimal inhibitory concentration; CC: clonal complex

From: First report of plasmid-mediated colistin resistance mcr-8.1 gene from a clinical Klebsiella pneumoniae isolate from Lebanon

#IsolateSourceCity, CountryCOL MIC (mg/L)Antibiotic Resistance GenesSTCCReference
1K. pneumoniae k9Urine (Human)Beirut, Lebanon10mcr-8.1, blaDHA-1, blaSHV-12, blaSHV-13, blaSHV-31, blaSHV-86, blaSHV-129, blaSHV-155, blaSHV-172, aac(6′)-Ib-cr, aadA1, aadA16, aadA2b, aph(3′)-Ia, aac(6′)-Ib-cr, oqxA, oqxB, qnrB2, qnrB4, qnrB52, sul1, sul3, fosA, mph(A), mph(E), msr(E), tetD, dfrA27, cmlA1, floR, arr-31523This study
2K. pneumoniae KP91Swine feces (Animal)Shandong, China16mcr-8.1, blaCTX-M-14, blaSHV-1, strA, strB, armA, aph(4)-Ia, mph(E), msr(E), oqxA,qnrB4, sul1, sul2, sul3, tet(A), tet(B), tet(34), dfrA1242 [4]
3K. pneumoniae KP95Oral cavity pus (Human)Sétif, Algeria8mcr-8.1, blaOXA-48, blaCTX-M-15, blaSHV-94,blaOXA-1, blaTEM-1B, aph(3′)-la, aac(6′)-lb-cr, aph(3″)-lb, aph(6)-ld, oqxB,oqxA, fosA, catB3, sul2, dfrA14336 [6]
4R. ornithinolytica QDRO2Chicken cloaca (Animal)Shandong, China8mcr-8.1, blaTEM-1B, blaOXA-1, blaSHV-73, aac(3)-IVa, aph(4)-Ia, aadA2, fosA, mph(A), mph(E), cat, floR, cml, qnrS4, oqxAB, nrB52, sul1, sul2, sul3, tet(A), tet(34), tet(O), tet(B) [26]