4-ButyrolactoneButylene GlycolsAcetoinButyrophenonesStreptomycesMaturation-Promoting FactorCyclin-Dependent KinasesMeiosisEnzyme InhibitorsSodium OxybateOocytesDiacetylHydroxybutyratesMetabolic EngineeringAlcohol Oxidoreductases3-Hydroxybutyric AcidGlycolsFermentationKlebsiella oxytocaButanonesClostridium beijerinckiiEthylene Glycol