Table 5. Transcript changes in P. aeruginosa PAO1 in response to direct current.
| Up-regulated transcripts following exposure to direct current | ||
| Probeset ID | Gene Symbol | Gene Title |
| PA5361_phoR_at | phoR | two-component sensor PhoR |
| PA5360_phoB_at | phoB | two-component response regulator PhoB |
| PA3006_at | psrA | transcriptional regulator PsrA |
| PA0283_sbp_at | sbp | sulfate-binding protein precursor |
| PA4231_pchA_at | pchA | salicylate biosynthesis isochorismate synthase |
| PA3280_oprO_at | oprO | Pyrophosphate-specific outer membrane porin OprO precursor |
| PA4224_at | pchG | pyochelin biosynthetic protein PchG |
| PA2394_at | pvdN | PvdN |
| PA2850_ohr_at | ohr | organic hydroperoxide resistance protein |
| PA4205_at | mexG | hypothetical protein |
| PA4226_pchE_at | pchE | dihydroaeruginoic acid synthetase |
| PA3221_csaA_at | csaA | CsaA protein |
| PA1927_metE_at | metE | 5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase |
| Down-regulated transcripts following exposure to direct current | ||
| Probeset ID | Gene Symbol | Gene Title |
| PA1523_xdhB_at | xdhB | xanthine dehydrogenase |
| PA4893_ureG_at | ureG | urease accessory protein UreG |
| PA1456_cheY_at | cheY | two-component response regulator CheY |
| PA2231_at | pslA | probable glycosyl transferase |
| PA0297_at | spuA | probable glutamine amidotransferase |
| PA5172_arcB_at | arcB | ornithine carbamoyltransferase, catabolic |
| PA4464_ptsN_at | ptsN | nitrogen regulatory IIA protein |
| PA1175_napD_at | napD | NapD protein of periplasmic nitrate reductase |
| PA2862_lipA_at | lipA | lactonizing lipase precursor |
| PA1596_htpG_at | htpG | heat shock protein HtpG |
| PA5053_hslV_at | hslV | heat shock protein HslV |
| PA4762_grpE_at | grpE | heat shock protein GrpE |
| PA3581_glpF_at | glpF | glycerol uptake facilitator protein |
| PA3582_glpK_at | glpK | glycerol kinase |
| PA4812_fdnG_at | fdnG | formate dehydrogenase-O, major subunit |
| PA1087_flgL_at | flgL | flagellar hook-associated protein type 3 FlgL |
| PA1086_flgK_at | flgK | flagellar hook-associated protein 1 FlgK |
| PA1080_flgE_at | flgE | flagellar hook protein FlgE |
| PA1081_flgF_at | flgF | flagellar basal-body rod protein FlgF |
| PA1078_flgC_at | flgC | flagellar basal-body rod protein FlgC |
| PA1079_flgD_at | flgD | flagellar basal-body rod modification protein FlgD |
| PA4024_eutB_at | eutB | ethanolamine ammonia-lyase large subunit |
| PA0105_coxB_at | coxB | cytochrome c oxidase, subunit II |
| PA0106_coxA_at | coxA | cytochrome c oxidase, subunit I |
| PA5171_arcA_at | arcA | arginine deiminase |
| PA0763_mucA_at | mucA | anti-sigma factor MucA |
P. aeruginosa PAO1 transcripts increased or decreased three-fold or more in any of the four replicates in biofilms exposed to 200 μA DC for 60 minutes.