Sulfate and sulfur reduction Flashcards
what are the sources of carbon,energy and electrons ?
Organic compounds
Who is te electron
acceptor?
SO42- or sulfite(SO32-)
Who is te electron donor?
organic(lactate) or inorganic
compound(H2)
when lactate is used?
additional ATP is produced
How is the ATP being made?
lectron transport reactions generate a proton motive force and this drives ATP synthesis by ATPase
also ATP is also made with?
Substrate-level phosphorylation
Desulfuromonas uses what as a terminal electron acceptor ?
sulfur (S)
and uses what as an electron donors?
acetate,ethanol and other organic compounds
why does it do ATP from substrate-level phosphorylation
sufficient free energy to make ATP is available from sulfate reduction when an electron donor is oxidized that gives NADH or FADH
desulfuromonas what does it liberates?
S + 2H+ +2é= H2S
does it stink?
yes,rotten egg smell