Secretory IgA (SIgA) is released into mucosal surfaces where its function extends beyond that of host defense to include the shaping of resident microbial communities by mediating exclusion/inclusion of respective microbes and regulating bacterial gene expression. In this capacity. SIgA acts as the fulcrum on which host immunity and the health of the microbiota are balanced. We recent... https://www.roneverhart.com/