ALEXANDER FLEMING

ALEXANDER FLEMING

·       Alexander Fleming was a Scottish Physician and Microbiologist.

·     Alexander Fleming’s best-known discoveries are the enzyme Lysozyme (1921), antibiotic Penicillin (1928) from the mold Penicillium notatum (now renamed as Penicillium chrysogenum) and bacteria Micrococcus luteus (1928). 

·  In 1921, Alexander Fleming found that the natural substance like Saliva and Tears are having antimicrobial activity due to the presence of an enzyme Lysozyme.

·    In 1928, while working on Influenza virus, Alexander Fleming observed the accidentally developed mold Penicillium notatum inhibiting Staphylococcus aureus and identified the antibiotic Penicillin.

·  Two Scientists, Howard Florey (Australian Pathologist) and Ernst Chain (Germany born British Biochemist), who developed Penicillin further so that it could be produced as a drug.

·   Micrococcus luteus (previously known as Micrococcus lysodeikticus) was discovered by Alexander Fleming in 1928.

·   Alexander Fleming received the Nobel prize for his discovery of Penicillin in 1945 with Howard Florey and Ernst Boris Chain.