Figure 1. Most gut bacterial catechol dehydroxylases are uncharacterized.
(A) The human gut microbiota metabolizes polyphenols. (B) The general transformation catalyzed by catechol dehydroxylases and example polyphenol substrates. (C) SSN of catechol dehydroxylases found in the human gut. See also Figure S1 and Table S1.