Transcription levels of metabolic pathways and genes in mother and infant pair 4 at time point 2. Transcription levels of metabolic pathways and genes in mother and infant pair 4 at time point 2. (A) Scatterplots showing the transcription rates of metabolic pathways of shared and nonshared species and genera of interest for both the mother and infant of pair 4 at time point 2. (B) Comparison between transcription rates of gene families in mother and infant gut microbiomes. Francesco Asnicar et al. mSystems 2017; doi:10.1128/mSystems.00164-16