Actinomycetia

Many members of the Actinomycetia are known for their ability to synthesize natural compounds / natural products
Willey et al. 2023 McGraw Hill, USA, ISBN 978-1-265-12303-1

The intestinal microbiota of obese people shows a pronounced occurrence of Actinomycetia / Actinobacteria
Turnbaugh et al. 2009

see also:
Bacterial natural products (NPs)