Life Sciences Commons^™

Antimicrobial Activity Of Artemisia Tridentata, David Suisse, Kayla Suisse

Student Research Symposium

Many plants and fungi secrete substances to adjust their environment to be more favorable to their needs. These secondary metabolites include chemicals emitted to kill other plants or microbes that would otherwise endanger or compete with the original plant. One such example is that of penicillin—extracted from a mold by Alexander Fleming in the 1920s. Fleming found that the growth of staphylococci, a bacterium, which shared the plate with the mold was inhibited. Penicillin, a secondary metabolite created by the mold, quickly became a well-known and useful antimicrobial agent and an ingredient in many drugs. Aspirin has a similar, if …