Table 1.

Substrates for denitrifying growth of the isolated strains

Electron donor (concn, mM)Growtha of:
Paracoccus sp. strain B8B1Paracoccus sp. strain B8B2Acidovorax sp. strain G7A1Acidovorax sp. strain G8B1Herbaspirillum sp. strain G8A1
Acetate (10)++++++++++++
Propionate (6)++++++++++++
Butyrate (4)++++++++++++
Isobutyrate (4)++++++++++++
2,2-Dimethylpropionate (5)
Dimethylmalonate (5)+++++++++++
Pyruvate (10)++++++
Succinate (6)++++++++++++
Methylsuccinate (5)++++++++
Benzoate (2)
l-Ascorbate (10)
d-Gluconate (5)++++++
d-Glucose (5)++++++
d-Fructose (5)++++++
d-Galactose (5)++++++
d-Ribose (5)++
Inositol (5)++++++
Methanol (10)
l-Glutamate (5)+++++++++++
l-Arginine (5)
l-Valine (5)++++
l-Cysteine (5)++++++++++++
l-Phenylalanine (5)
l-Isoleucine (5)++++++++++
  • a Bacterial growth was determined as the increase in OD at 660 nm, as follows: −, <0.030; +, >0.070; ++, >0.200, +++, >0.400.