Table 2.
Genes with more than 5-fold decreased expression in the tolC mutant strain.
| Gene identifier | Annotation or description | Fold change1 (tolC vs. wild-type) |
|---|---|---|
| Transcription and signal transduction | ||
| SMa0402 | Transcriptional regulator, GntR family | -8.4 |
| SMb21115 | Putative response regulator | -20.2 |
| SMc01042 | ntrB nitrogen assimilation regulatory protein | -8.0 |
| SMc01043 | ntrC nitrogen assimilation regulatory protein | -6.9 |
| SMc01504 | Receiver domain | -7.2 |
| SMc01819 | Transcription regulator TetR family | -10.0 |
| SMc03806 | glnK probable nitrogen regulatory protein PII 2 | -9.1 |
| Metabolism | ||
| SMa0387 | hisC3 histidinol-phosphate aminotransferase | -11.4 |
| SMa0398 | hisD2 histidinol dehydrogenase | -10.6 |
| SMa1683 | Arylsulfatase | -5.0 |
| SMb20984 | nirB nitrite reductase NAD(P)H | -22.7 |
| SMb20985 | nirD nitrite reductase NAD(P)H | -26.6 |
| SMb20986 | narB putative nitrate reductase, large subunit | -14.1 |
| SMb20987 | Putative uroporphiryn-III C-methyltransferase | -7.6 |
| SMb21094 | argH2 argininosuccinate lyase | -20.7 |
| SMb21163 | hutU urocanate hydratase (urocanase) | -10.3 |
| SMb21164 | hutG Putative formiminoglutamase | -11.5 |
| SMb21165 | hutH Putative histidine ammonia-lyase histidase | -7.7 |
| SMc01041 | dusB tRNA-dihydrouridine synthase B | -9.5 |
| SMc01814 | Probable glutamate synthase small chain | -12.5 |
| SMc01820 | Putative N-carbamyl-L-amino acid amidohydrolase | -12.7 |
| SMc01967 | speB2 putative agmatinase | -18.7 |
| SMc03208 | hmgA homogentisate 1,2-dioxygenase | -5.5 |
| SMc04026 | gltD probable glutamate synthase small chain | -9.2 |
| SMc04028 | gltB probable glutamate synthase NADPH large chain | -11.7 |
| SMc04153 | Putative aminomethyltransferase | -8.7 |
| SMc04323 | Probable aminotransferase | -7.8 |
| Transport | ||
| SMa0391 | ABC transporter, ATP-binding protein | -15.6 |
| SMa0392 | ABC transporter, periplasmic solute-binding protein | -8.3/-23.5 |
| SMa0394 | ABC transporter, permease | -10.5 |
| SMa0396 | ABC transporter, permease | -10.1 |
| SMa0581 | nrtC nitrate transporter, ATP binding protein | -24.8 |
| SMa0583 | nrtB nitrate transporter, permease | -33.0 |
| SMa0585 | nrtA nitrate ABC transporter, periplasmic nitrate binding protein | -34.8 |
| SMb20436 | Probable nitrate transporter | -62.2/-63.5 |
| SMb20602 | ABC transporter, ATP-binding protein | -12.0 |
| SMb20603 | ABC transporter, permease | -15.7 |
| SMb20604 | ABC transporter, permease | -25.0 |
| SMb20605 | ABC transporter, periplasmic solute-binding protein | -22.4 |
| SMb21095 | ABC transporter, permease | -10.3 |
| SMb21096 | ABC transporter, permease | -10.7 |
| SMb21097 | ABC transporter periplasmic solute-binding protein | -17.5 |
| SMb21114 | Putative nitrate transport protein | -10.3 |
| SMb21707 | ABC transporter, ATP-binding protein | -14.4 |
| SMc01597 | Putative amino acid permease | -8.1 |
| SMc01963 | Spermidine/putrescine transport system permease | -5.2 |
| SMc01964 | Putative spermidine/putrescine transport system permease ABC transporter | -5.8 |
| SMc01965 | Spermidine/putrescine ABC transporter ATP-binding subunit | -7.4 |
| SMc01966 | Putative spermidine/putrescine-binding periplasmic ABC transporter | -12.4 |
| SMc03807 | amtB probable ammonium transporter | -8.1 |
| SMc04147 | Putative amino acid permease | -10.7 |
1 Some S. meliloti genes have more than one probe set represented on the array. In these cases, more than one fold change value is shown.