Lexikon der Biologie



Kohlendioxidassimilation



Abb. 2:
3-Hydroxypropionat-Zyklus der autotrophen CO2-Assimilation im grünen, schwefelfreien Bakterium Chloroflexus aurantiacus. Das Fixierungsprodukt Glyoxylat dient zur Synthese der weiteren Zellkomponenten.

Enzyme: (1) Acetyl-CoA-Carboxylase, (2) Malonat-Semialdehyd-Dehydrogenase, (3) 3-Hydroxypropionat-Dehydrogenase, (4) 3-Hydroxypropionat-CoA-Ligase, (5) Acrylolyl-CoA-Hydratase, (6) Acrylolyl-CoA-Reductase, (7) Propionyl-CoA-Carboxylase, (8) Methylmalonyl-CoA-Epimerase, (9) Methylmalonyl-CoA-Mutase, (10) Succinyl-CoA:Malat-CoA-Transferase, (11) Succinat-Dehydrogenase, (12) Fumarat-Hydratase, (13) Malyl-CoA-Lyase

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