3-hydroxypropionate pathway

And yet another variant of the 3-hydroxypropionate pathway is the dicarboxylate/4-hydroxybutyrate cycle.

This pathway has been demonstrated in Chloroflexus, a nonsulfur photosynthetic bacterium, however other studies suggest that 3-hydroxypropionate pathway is utilized by several chemotrophic archaea.

Instead of using the Calvin-Benson-Bassham Cycle typical of plants, Chloroflexus aurantiacus has been demonstrated to use a novel autotrophic pathway known as the 3-Hydroxypropionate pathway.