Table 3.
Characteristics of dominant ST131 papGII-containing (papGII+) sublineages.
| papGII+ sublineage | No. isolates | papGII+ PAI type | Dominant IncF pMLST alleles | Dominant ESBL-encoding genes | Dominant genetic context of ESBL-encoding genes (locus; evidence) | Representative isolate |
|---|---|---|---|---|---|---|
| papGII+ sublineage clade A | 24 | III | FII_29, FIB_10 | blaCTX-M-27 (n = 24) | chromosomal (near gspD; found in 22/24 isolates with resolved context) | A17EC0155 (GCF_021133255.1) |
| papGII+ sublineage clade B (fimH27) | 39 | II and III | FII_1, FIB_63 | blaCTX-M-101 (n = 27), blaCTX-M-15 (n = 5) | not resolved | RDE6 (GCA_013027405.1) |
| papGII+ sublineage clade C1 | 27 | III | FII_1, FIA_2, FIA_6, FIB_20 | blaCTX-M-14 (n = 27) | chromosomal (near cmtA; found in 12/14 isolates with resolved context) | 222A118 (GCF_020230335.1) |
| papGII+ sublineage clade C2 L1 | 236 | III | FII_31, FII_36, FIA_20/FIA_4, FIB_1 | blaCTX-M-15 (n = 225) | subbranch L1b (n = 52): not resolved, subbranch L1a (n = 184): chromosomal (near metG; found in 10/10 isolates with resolved context; 184 isolates with disrupted DUF4132 region) | US02 (GCA_014140815.1) |
| papGII+ sublineage clade C2 L2 | 65 | IV | FII_48, FIA_1, FIA_6, FIB_49 | blaCTX-M-15 (n = 65) | chromosomal (into mppA; found in 59/61 isolates with resolved context; 64 isolates with disrupted mppA) | 2/0 (GCA_003856635.1) |
| papGII+ sublineage clade C2 L3 | 34 | III | FII_36, FIB_1 | blaCTX-M-15 (n = 34) | chromosomal (into ydhS; found in 14/18 isolates with resolved context) | ESBL41 (GCF_007109465.1) |