Fig. 1From: Production of medium-chain carboxylic acids by Megasphaera sp. MH with supplemental electron acceptorsThe microbial metabolic pathway for carbon-chain elongation such as a butyric acid (C4) production by the genera Clostridium and Butyrivibrio [27] and b hexanoic acid production postulated in Megasphaera elsdenii and Clostridium kluyveri [10]Back to article page