How is Penicillium notatum helpful?

Penicillium notatum is a fungus known for its role in the discovery of penicillin, the first widely used antibiotic. This mold produces the antibiotic substance that effectively combats bacterial infections, revolutionizing medicine and saving countless lives since its introduction. Additionally, it is used in the food industry for the production of certain cheeses, contributing to flavor and preservation. Its significance in both healthcare and food production highlights its beneficial impact on society.