Table 2.
Origin and genetic features of mcr-1-bearing plasmids in Salmonella strains subjected to sequence analysis in this study.
Strain ID | Serotype | source | Year of Isolation | S1-PFGE | CN | Plasmid types | Complete sequences/ contigs |
---|---|---|---|---|---|---|---|
AFSGD2 | Weltervredn | PK | 2014 | ~30 kb | C | IncX4 | contigs |
SA258 | Derby | PK | 2015 | ~30 kb | C | IncX4 | contigs |
ASGD2 | Newport | PS | 2015 | ~240 kb | NC | IncHI2 | contigs |
ASSD2 | Typhimurium | PS | 2015 | ~180 kb | NC | IncHI2 | pASSD2-MCR1 |
ASHN8 | Typhimurium | PS | 2013 | ~180 kb | NC | IncHI2 | contigs |
ASHN12 | Typhimurium | PS | 2013 | ~140 kb | NC | IncHI2 | contigs |
SA618 | Typhimurium | PS | 2015 | ~250 kb | C | IncHI2 | contigs |
HS, human stool; PK, pork; PS, pig feces; CN, conjugative nature; C, conjugative; NC, non-conjugative.