TABLE 5.
Differential quantification of gene expression in clinical isolates compared to CIP 70-10
Function or gene | Description | Change (fold)a |
||
---|---|---|---|---|
AYE | BM4675 | BM4676 | ||
Efflux | ||||
adeA | MFP | 2.84 | 5.42 | 3.94 |
adeB | RND | 2.80 | 3.99 | 3.58 |
adeC | OMF | 2.28 | 2.28 | 2.72 |
adeI | MFP | NS | NS | 1.73 |
adeJ | RND | NS | NS | 1.83 |
adeK | OMF | NS | NS | NS |
APC 41_138 | d-serine/d-alanine/glycine transport protein | 2.08 | NS | NS |
MFS 12_508 | MFS | NS | NS | 1.53 |
RND 29_167 | RND | 2.10b | NS | NS |
Outer membrane protein | ||||
omp25 | Putative outer membrane protein | 1.72 | NS | NS |
omp33-36 | 33- to 36-kDa outer membrane protein | −1.62 | NS | 1.84 |
omp34 | 34-kDa outer membrane protein | 2.22 | NS | 14.36 |
ompA | Outer membrane protein A | −3.01 | −2.32 | NS |
Housekeeping and metabolism | ||||
bfmS | Sensor kinase component of a two-component regulatory system (biofilm) | NS | NS | 1.59 |
cpn60 | 60-kDa chaperonin | −2.00 | NS | NS |
csuA/B | Putative pilus subunit, biofilm operon | NS | −1.72 | 1.84 |
fusA | Translation elongation factor EF-G | NS | NS | 1.68 |
gltA | Citrate synthase | NS | NS | 1.54 |
ppa | Inorganic pyrophosphatase | −2.73 | NS | NS |
rpoC | DNA-directed RNA polymerase beta subunit | −1.97 | NS | NS |
Antibiotic resistance | ||||
adc | Chromosomal cephalosporinase | 22.99 | 5.73 | 5.72 |
blaOXA-23 | Class D carbapenemase | NS | NS | 29.61 |
blaTEM-1 | β-Lactamase | NS | 1.61 | NS |
blaVEB-1 | Extended-spectrum β-lactamase | 3.51 | NS | NS |
aac(3)-Ia | Aminoglycoside adenylyltransferase | 2.62 | NS | NS |
ant(2′′)-Ia | Aminoglycoside nucleotidyltransferase | 2.51 | NA | 29.39 |
aph(3′)-VIa | Aminoglycoside phosphotransferase | NA | NS | 4.04 |
arr-2 | Rifampin ADP-ribosylating transferase | 1.76 | NS | NS |
catI | Chloramphenicol acetyltransferase | 3.79 | NS | NS |
cmlA | Chloramphenicol efflux pump | 1.73 | NS | NS |
floR | Chloramphenicol efflux pump | 1.66 | NS | NS |
sul1 | Sulfonamide resistance | 4.10 | NS | NS |
tet(B) | Tetracycline efflux pump | NS | 1.87 | NS |
Heavy metal resistance | ||||
HMD | Heavy metal detoxification | 2.50 | NS | NS |
merA | Mercuric ion reductase | 1.79 | NS | NS |
merR | Mercury resistance operon regulatory protein | 1.96 | NS | NS |
Gene mobility and island | ||||
groEL/int1 | Fusion GroEL/integrase | 2.71 | NS | NS |
intI1 | Integrase | 2.32 | NS | NS |
IS1999 | Insertion sequence | 5.26 | NS | NS |
IS6100 | Insertion sequence | 1.87 | NS | NS |
ISAba1 | Insertion sequence | NS | 1.83 | NS |
lspA | Lipoprotein signal peptidase | 1.81 | NS | 1.56 |
qacEdelta1 | Quaternary ammonium compound resistance protein | 6.19 | NS | NS |
resolvase 1_318 | Resolvase | 2.56 | NS | NS |
tniA | Transposase | NS | 2.99 | 1.59 |
tnpM | Transposase | 1.74 | 2.38 | NS |
uspA | Universal stress protein | NS | NS | 1.50 |
Positive and negative values correspond to genes with increased and decreased expression, respectively, in the clinical isolate in comparison with CIP 70-10. NS, not statistically significant. NA, not applicable.
Statistically significant but not confirmed by qRT-PCR.