Duncan J. Kountz

Flavoaffinins, elusive cellulose-binding natural products from an anaerobic bacterium

This study isolates and characterizes flavoaffinins, yellow-orange cellulose-binding pigments from Clostridium thermocellum, revealing their unique structure and biosynthesis.

A widespread hydrogenase drives fermentative growth of gut bacteria in healthy people

This study identifies the group B [FeFe]-hydrogenase as the primary enzyme driving fermentative H2 production in the human gut, linking it to gut health and disease.

A diversified, widespread microbial gene cluster encodes homologs of methyltransferases involved in methanogenesis.

The paper identifies a widespread gene cluster encoding methyltransferase homologs involved in methylotrophic methanogenesis across bacteria and archaea.