Table 2.

Compounds used by marine AQDS reducers as alternative electron acceptors

Electron acceptor (mM)Utilizationa by strain:
SDB-2CD-1
Fe(III) citrate (50)++
Mn(IV) (20)++
Nitrate (10)
Elemental sulfur (10)++
Sulfite (10)
Sulfate (10)
Fumarate (50)++
Malate (10)++
Selenate (2)
  • a +, utilization of electron acceptor; −, no utilization.