Table 3. Chromosome and plasmid analysis on Salmonella enterica harboring blaCMY-2 or blaCTX-M-14 from whole genome sequencing.
| Strain name | Serotype | DNA type | Plasmid name | bla gene | Other antimicrobial resistant genes | No. of IS26 elements | No. of ISEcp1 elements within the region flanking the bla genea | Replicon type | Size (bp) | Strain origin |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Facility type | Sample type | Facility name | Isolation date | ||||||||||
| SEOhiM1593 | S. Ohiob | Chromosome | - | NDc | aac(6’)-Iaa | 0 | 0 | - | 4,867,732 | Pullet-rearing farm | Environment | a1 | January 2010 |
| Plasmid | pSEOhiM1593a | blaCMY-2 | aph(3”)-Ib, aph(6)-Id, floR, sul2, tet(A) | 3 | 1 | IncA/C2 | 92,251 | ||||||
| SEOhiM2008 | S. Ohio | Chromosome | - | blaCMY-2 | aph(3”)-Ib, aph(6)-Id, floR, sul2, tet(A) | 4 | 1 | IncA/C2d | 4,902,159 | Pullet-rearing farm | Environment | a1 | June 2012 |
| Plasmid | pSEOhiM2008a | ND | ND | 0 | 0 | Col440I | 2,264 | ||||||
| SEOhiM1960 | S. Ohio | Chromosome | - | blaCMY-2 | aac(6’)-Iaa | 0 | 1 | - | 4,872,199 | Layer farm | Eggshell | a5 | January 2012 |
| Plasmid | pSEOhiM1960a | blaCMY-2 | aph(3”)-Ib, aph(6)-Id, floR, sul2, tet(A) | 3 | 1 | IncA/C2 | 92,095 | ||||||
| Plasmid | pSEOhiM1960b | ND | ND | 0 | 0 | Col440I | 2,264 | ||||||
| SECerM2017 | S. Cerro | Chromosome | - | blaCTX-M-14 | ND | 0 | 1 | - | 4,479,959 | Layer farm | Eggshell | q1 | August 2012 |
| Plasmid | pSECerM2017a | ND | ND | 0 | 0 | Untypeable | 2,105 | ||||||
a Number of ISEcp1 elements within 5,000 bp of the bla gene. bSalmonella enterica subsp. enterica serovar Ohio. c ND: not-detected. d The integration region in this strain is structured almost identically to the IncA/C2 plasmids in the SEOhiM1593 and SEOhiM1960 strains.