by Roberto — Sev­eral of our past posts de­scribed volatile or­ganic com­pounds of mi­cro­bial ori­gin that in­flu­ence our be­hav­ior. Ac­etates from wine, geosmin from soil. Not only are they en­joy­able in the mo­ment, such scents of­ten elicit mem­o­ries. I now of­fer the op­po­site per­spec­tive, a mi­crobe whose ecol­ogy...