AUTHOR=van Niekerk Gustav , Engelbrecht Anna-Mart TITLE=Commentary on: “A common origin for immunity and digestion” JOURNAL=Frontiers in Microbiology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2015.00531 DOI=10.3389/fmicb.2015.00531 ISSN=1664-302X