Cohen LJ, Kang H-S, Chu J, Huang Y-H, Gordon EA, Reddy BVijay B, Ternei MA, Craig JW, Brady SF.  2015.  Functional metagenomic discovery of bacterial effectors in the human microbiome and isolation of commendamide, a GPCR G2A/132 agonist.. Proc Natl Acad Sci U S A. 112(35):E4825-34.