Is our body a huge exoskeleton for gut bacteria? Gut-brain axis in health and disease
Image adapted from: Johnson & Foster, 2028, Nature Reviews Microbiology Before the emergence of multicellular life forms, energy-dense nutrients were picked up by the simplest microorganism directly through the cell membrane, but these organisms were limited in the repertoire of small nutrients they could digest. With time, multicellular clumps formed allowing the individual cells to […]