Fig. 4: Human cells communicate with microbes through diverse circulatory metabolites.
From: Molecules-mediated bidirectional interactions between microbes and human cells
The colored hemisphere represents small molecule active metabolites in the human body. The labeling principles for microbial receptors follow Fig. 2. The red line represents the metabolic process centered around the TCA cycle, which converts the three major components of food (glucose, lipid, and protein) into small molecules. A part of molecules plays a signal role by binding to known/unknown microbial receptors. Arrow indicates the promotion of microbial growth or virulence. The diagram was created by Figdraw (www.figdraw.com/).
