firefly luciferase

Firefly luciferase is an enzyme found in fireflies that causes them to glow. It works by catalyzing a chemical reaction involving a light-emitting molecule called luciferin, oxygen, and energy from ATP, producing light without heat — a process known as bioluminescence. This natural light is used by fireflies for communication, primarily during mating. Scientists have harnessed luciferase for various applications, including genetic research, where it serves as a marker to trace biological processes. Its ability to generate light makes it a valuable tool in studying cellular activities and developing bioluminescent assays in laboratories.