Table 1. Top 49 genes selected for their expression stabilities measured from the micro-array dataset.
| Mean of expression level | Accession number | Gene name | Annotation |
| Low expression level (log>7) | 14832 | ygiF | Predicted adenylate cyclase |
| 15002 | hemY | Predicted protoheme IX synthesis protein | |
| 16189 | <NA> | Probable formyl-coenzyme A transferase | |
| 16292 | mobA | Molybdopterin-guanine dinucleotide biosynthesis protein A | |
| 16340 | <NA> | Transcription regulator | |
| 16480 | <NA> | Bll6904 protein | |
| 17101 | <NA> | Phenolic acid decarboxylase | |
| 17576 | yajL | Conserved protein | |
| 17758 | ymfB | Thiamin pyrophosphate (TPP) hydrolase | |
| 17970 | yacG | Zinc-binding protein | |
| 18245 | <NA> | Putative cytoplasmic protein | |
| 18436 | <NA> | Hypothetical protein | |
| 18449 | <NA> | Hypothetical protein | |
| 18939 | <NA> | Transcriptional repressor of the fructose operon, DeoR family | |
| 19898 | nlp | Putative regulator for maltose metabolism | |
| 19985 | <NA> | Carbonic anhydrase | |
| 20529 | yafS | Predicted S-adenosyl-L-methionine-dependent methyltransferase | |
| 46549 | yjiE | Putative transcriptional regulator LYSR-type | |
| Middle expression level (log>9) | 14861 | relA | GTP pyrophosphokinase/Guanosine-3′,5′-bis(diphosphate) 3′-pyrophosphohydrolase |
| 15003 | hemX | Predicted uroporphyrinogen III methylase | |
| 15008 | cyaY | Frataxin homolog CyaY, facilitates iron supply for heme A synthesis or Fe-S cluster assembly | |
| 15073 | glpR | DNA-binding transcriptional repressor | |
| 15447 | yadH | Predicted transporter subunit: membrane component of ABC superfamily | |
| 16418 | ddlA | D-alanine–D-alanine ligase | |
| 16646 | <NA> | Hypothetical protein | |
| 16748 | hemF | Coproporphyrinogen III oxidase | |
| 16791 | yjeH | Predicted transporter | |
| 16977 | ybfF | Esterase | |
| 17624 | <NA> | Type I restriction-modification system methyltransferase subunit | |
| 17766 | ycfD | Hypothetical protein | |
| 18061 | ygfZ | Predicted folate-dependent regulatory protein | |
| 18496 | yggS | Predicted enzyme | |
| 18606 | nadR | NadR transcriptional repressor/ribosylnicotinamide kinase/NMN adenylyltransferase | |
| 18965 | minE | Cell division topological specificity factor | |
| 19439 | yicC | Conserved protein | |
| 20070 | ycbB | Predicted carboxypeptidase | |
| 20153 | <NA> | Hypothetical protein | |
| 20393 | yiiQ | Conserved protein | |
| 20403 | rraA | Ribonuclease E (RNase E) inhibitor protein | |
| 20510 | pgsA | CDP-diacylglycerol–glycerol-3-phosphate 3-phosphatidyltransferase | |
| 20531 | dnaQ | DNA polymerase III epsilon subunit | |
| 20751 | manA | Mannose-6-phosphate isomerase | |
| 20824 | damX | Membrane protein | |
| 47165 | gloA | Glyoxalase I, Ni-dependent | |
| High expression level (log>11) | 15677 | yhbN | Periplasmic component of an ABC-type LPS transporter complex |
| 16832 | queF | NADPH dependent preQ0 reductase | |
| 17965 | lpxC | UDP-3-O-acyl N-acetylglucosamine deacetylase | |
| 19603 | focA | fFrmate transporter | |
| 20671 | yadG | Predicted transporter subunit: ATP-binding component of ABC superfamily |
In bold the 10 genes selected for further investigation.