<p>The intestinal disease cholera uses cell-to-cell signaling to coordinate its growth and virulence in the human gut. John March of Cornell University in the U.S. is developing strains of commensal bacteria that naturally reside in the gut to express the key chemical signals used by cholera to abort the colonization process and allow the pathogen to pass through the G.I. system without causing symptoms.</p>


The intestinal disease cholera uses cell-to-cell signaling to coordinate its growth and virulence in the human gut. John March of Cornell University in the U.S. is developing strains of commensal bacteria that naturally reside in the gut to express the key chemical signals used by cholera to abort the colonization process and allow the pathogen to pass through the G.I. system without causing symptoms.