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Table 2 Differentially expressed genes related to energy metabolism and biosynthesis of electron carriers

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

Locus no.a Putative identificationa Avg fold differenceb
Energy metabolism : Amino acids and amines
PG1269 Delta-1-pyrroline-5-carboxylate dehydrogenase −2.02
PG0474 Low-specificity L-threonine aldolase −1.93
PG1401 Beta-eliminating lyase −1.74
PG0343 Methionine gamma-lyase −1.64
PG1559 Aminomethyltransferase −1.54
PG0324 Histidine ammonia-lyase −1.53
PG1305 Glycine dehydrogenase −1.52
PG2121 L-asparaginase −1.51
PG0025 Fumarylacetoacetate hydrolase family protein 2.11
Energy metabolism : Anaerobic/Fermentation
PG0687 Succinate-semialdehyde dehydrogenase −1.76
PG0690 4-hydroxybutyrate CoA-transferase −1.66
PG0689 NAD-dependent 4-hydroxybutyrate dehydrogenase −1.58
PG1609 Methylmalonyl-CoA decarboxylase, gamma subunit −1.87
PG1612 Methylmalonyl-CoA decarboxylase, alpha subunit −1.71
PG1608 Methylmalonyl-CoA decarboxylase, beta subunit −1.64
PG0675 Indolepyruvate ferredoxin oxidoreductase, alpha subunit −1.53
PG1809 2-oxoglutarate oxidoreductase, gamma subunit 2.18
PG1956 4-hydroxybutyrate CoA-transferase 1.74
Energy metabolism : Biosynthesis and degradation of polysaccharides
PG2145 Polysaccharide deacetylase −1.94
PG0897 Alpha-amylase family protein −1.85
PG1793 1,4-alpha-glucan branching enzyme −1.67
Energy metabolism : Electron transport
PG0776 Electron transfer flavoprotein, alpha subunit −2.30
PG0777 Electron transfer flavoprotein, beta subunit −1.91
PG1638 Thioredoxin family protein −1.88
PG1332 NAD(P) transhydrogenase, beta subunit −1.83
PG1119 Flavodoxin, putative −1.69
PG0429 Pyruvate synthase −1.64
PG1077 Electron transfer flavoprotein, beta subunit −1.57
PG1858 Flavodoxin −2.57
PG2178 NADH:ubiquinone oxidoreductase, Na translocating, E subunit −1.51
PG0034 Thioredoxin 2.76
PG0195 Rubrerythrin 15.49
PG0548 Pyruvate ferredoxin/flavodoxin oxidoreductase family protein 2.58
PG0616 Thioredoxin, putative 1.52
PG1421 Ferredoxin, 4Fe-4S 28.54
PG1813 Ferredoxin, 4Fe-4S 1.65
Energy metabolism : Glycolysis/gluconeogenesis
PG0130 Phosphoglyceromutase −1.68
Energy metabolism : Purines, pyrimidines, nucleosides, and nucleotides
PG1996 Deoxyribose-phosphate aldolase −1.73
Energy metabolism : Pentose phosphate pathway
PG1747 Ribose 5-phosphate isomerase B, putative −2.45
PG0230 Transaldolase 2.05
PG1595 Ribulose-phosphate 3-epimerase 2.22
Energy metabolism: Sugars
PG1633 Galactokinase −1.89
Energy metabolism : TCA cycle
PG1614 Succinate dehydrogenase 2.25
PG1615 Succinate dehydrogenase 1.60
Energy metabolism : Other
PG1522 Mandelate racemase/muconate lactonizing enzyme family protein −2.24
PG0279 NADP-dependent malic enzyme 1.82
PG1017 Pyruvate phosphate dikinase 1.75
PG1513 Phosphoribosyltransferase, putative/phosphoglycerate mutase family protein 3.05
PG1859 Glycerate kinase family protein 1.76
Biosynthesis of pyridine nucleotides
PG0058 Nicotinic acid mononucleotide adenyltransferase −1.93
PG1578 Quinolinate synthetase −1.62
PG0057 Nicotinate phosphoribosyltransferase −1.61
PG0678 Pyrazinamidase/nicotinamidase, putative 2.00
Biosynthesis of menaquinone and ubiquinone
PG1870 Methlytransferase, UbiE/COQ5 family −2.60
PG1467 Methlytransferase, UbiE/COQ5 family −2.46
PG1523 Naphthoate synthase −1.89
PG1521 O-succinylbenzoic acid--CoA ligase −1.78
PG1525 Isochorismate synthase, putative −1.50
  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.