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Table 2 Summary of functions regulated by σ54-dependent operons. Functional assignment of individual operons shown in Additional file 5

From: σ54-dependent regulome in Desulfovibrio vulgaris Hildenborough

Category Function Operons Regulators
Motility and cell exterior Flagella 19 2
Chemotaxis 2  
Pili 3 1
Type III secretion 4 1
Exopolysaccharide and biofilm synthesis 7 2
Cell wall 1  
Lipid A biosynthesis 1 1
Metabolism and transport Nitrogen metabolism and transport 4 3
Amino acid metabolism and transport 2 1
Pyruvate metabolism and transport 3 2
Lactate metabolism and transport 2 4
Amide metabolism 1 1
Energy metabolism 2 2
Potassium uptake 1 1
Other transmembrane transport 9 6
Regulation Transcriptional regulation 4 3
Posttranscriptional regulation 6 5
Stress response Envelope stress response 2 2
Nitrite stress response 1 1
Phage shock response 1 1
Other functions Cell division 2 1
Function unknown 8 1
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