Skip to main content

Table 1 Differentially expressed genes related to iron/hemin aquisition and oxidative stress

From: Microarray analysis of the transcriptional responses of Porphyromonas gingivalis to polyphosphate

Locus no.a Putative identificationa Cellular rolea Avg fold differenceb
PG1551 hmuY protein Transport and binding proteins: Cations and iron carrying compounds −1.19c
PG1552 TonB-dependent receptor HmuR Transport and binding proteins: Cations and iron carrying compounds −2.28
PG1553 HmuSd Hemin acquisitiond −2.77
PG1554 HmuTd Hemin acquisitiond −3.44
PG1555 HmuUd Hemin acquisitiond −3.29
PG1556 HmuVd Hemin acquisitiond −2.15
PG1729 thiol peroxidase Cellular processes : Detoxification 3.12
PG1421 Ferredoxin, 4Fe-4S Energy metabolism : Electron transport 28.54
PG0195 Rubrerythrin Energy metabolism : Electron transport 15.49
PG0034 Thioredoxin Energy metabolism : Electron transport 2.76
PG1286 Ferritin Transport and binding proteins: 2.59
Cations and iron carrying compounds
PG0090 Dps family protein Cellular processes: 2.45
Adaptations to atypical conditions
PG1545 Superoxide dismutase, Fe-Mn Cellular processes : Detoxification 2.34
PG1089 DNA-binding response regulator RprY Regulatory functions : DNA interactions 2.00
Signal transduction: Two-component systems
PG0593 htrA protein heat induced serine protease Protein fate: Degradation of proteins, peptides, and glycopeptides 4.20
  1. aLocus number, putative identification, and cellular role are according to the TIGR genome database.
  2. bAverage fold difference indicates the expression of the gene by polyP addition versus no polyP addition.
  3. cThe cut off ratio for the fold difference was < 1.5.
  4. dPutative identification and cellular role are according to Lewis [24].