Akkose, Sevilay Gunduz, Ufuk Effects of Ammonium Ion, Acetate and Aerobic Conditions on Hydrogen Production and Expression Levels of Nitrogenase Genes in Rhodobacter Sphaeroides O.U.001 - 8818-8827 p. Subjects--Topical Terms: Rhodobacter Sphaeroides O.U.001BiohydrogenNitrogenase