Antibiotics are mostly produced from _____.
Fungi
Fungi are used in the production of fermented beverages, bread, cheese, etc. Some fungi are processed to serve as food for humans, such as edible mushrooms. Some fungi are very important for the production of medical drugs like antibiotics. These are naturally produced by the fungi to ward off and kill other microorganisms in their environment and proved to be of paramount importance in the defense against microbial infection in humans and animals alike. The most famous instance of this phenomenon occurred during world war 2 with the introduction of the world's first antibiotic, Penicillin.