TABLE 6.
Years of isolation and species of Enterobacteriaceae isolates which were able to transfer the plasmids of various incompatibility groups carrying armA or rmtB
| Yr of isolation and speciesa | No. of strains that transfer a conjugative plasmid of the indicated Inc group carrying gene:
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
|
armA
|
rmtB
|
||||||||
| FIIAs | HI2 | L/M | A/C | F | NIb | A/C | F | I1-Iγ | |
| 1997-1998 | |||||||||
| E. coli | 3d | 1 | |||||||
| K. pneumoniae | |||||||||
| Others | 4 | 3 | 2 | ||||||
| 2001 | |||||||||
| E. coli | 1 | ||||||||
| K. pneumoniae | 1 | 6 | |||||||
| Others | 3 | ||||||||
| 2002 | |||||||||
| E. coli | 4e | 1g | |||||||
| K. pneumoniae | |||||||||
| Others | 1 | ||||||||
| 2003 | |||||||||
| E. coli | 2 | ||||||||
| K. pneumoniae | 1 | ||||||||
| Others | 6 | ||||||||
| 2004 | |||||||||
| E. coli | 1 | 1 | 1 | 2 | 1 | ||||
| K. pneumoniae | 1 | 1 | 2 | 10 | |||||
| Others | 1 | 5 | |||||||
| 2005 | |||||||||
| E. coli | 1 | 1 | 1 | 5 | 4f | 4 | 1 | ||
| K. pneumoniae | 6 | 2 | 1 | 1 | 30 | 10 | 1 | ||
| Others | 2 | 1 | 1 | 1 | 1 | ||||
| 2006 | |||||||||
| E. coli | 1 | 6 | 2 | 2 | |||||
| K. pneumoniae | 4 | 13c | 1 | 14 | 15 | ||||
| Others | 4 | 3 | |||||||
| Total no. of strains | 20 | 4 | 38c | 9d | 7 | 75 | 43e,f | 7g | 1 |
a
Others, Enterobactericeae isolates other than E. coli and K. pneumoniae, including 19 E. cloacae isolates, 6 Enterobacter species isolates, 6 S. marcescens isolates, 4 C. freundii isolates, 2 K. oxytoca isolates, and 1 M. morganii isolate.
b
NI, not identified.
c
One isolate was positive for L/M and F.
d
Two isolates were positive for A/C and I1-Iγ.
e
One isolate was positive for A/C and F.
f
One isolate was positive for A/C, F, and FIA.
g
One isolate was positive for F and Y.