A recent study, led by Dr. Deanna L. Gibson from the Department of Biology at the University of British Columbia (Canada), has found that cardiorespiratory fitness is correlated with increased microbial diversity and increased production of faecal butyrate in healthy humans.

A new study published in PLOS one, led by Dr. Vincent Cassone from the Department of Biology, University of Kentucky (USA), provided insights on how the host clock regulates the microbiome. Researchers found that a species of human gut bacteria, Enterobacter aerogenes, has its own circadian rhythm and responds to fluctuations in the hormone melatonin.