You’ve probably heard about keystone species. But what about a keystone molecule?…

You’ve probably heard about keystone species. But what about a keystone molecule? Molly Herring writes in Quanta Magazine about the profound impact rare compounds, termed “keystone molecules,” can have on ecological interactions. “The biological world is awash in chemical signals…If the message is powerful enough, the impact can ripple out across an ecosystem.” “’One small, simple molecule can be tying together these seemingly unrelated species and whole ecosystem processes,’ said study author Patrick Krug, a marine biologist at California State University, Los Angeles.”

Posted: March 12, 2025