Genetically Modified Antibiotics

3500 BC - As a remedy, Sumerian doctors would treat their patients with snakeskins and turtle shells combined in beer soups. Meanwhile Greeks healed certain ailments with herbs.

1870 - Louis Pasteur discovered that bacteria could indeed kill each other, It eventually led him to create the first vaccines. His experiments were first tested on chickens.

1871 - Joseph Lister began researching for the reason why bacteria (by mold) cannot grow in the presence of urine because of a certain substance.

1890s - Rudolf Emmerich and Oscar Low were the first to make an antibiotic that was used in hospitals, it was named pyocyanase that came from microbes. 

1928 - Alexander Fleming founded penicillin. By observing the mold growing on petri dishes that had killed off colonies of bacteria that surrounded it, he had attempted separating the mold and began using it as a bacteria-resistant medicine.

1935 - The antibiotic prontosil, the first sulfa drug, was founded by Gerhard Domagk and used to kill off Gram-positive bacteria.1943 - The discovery of aminoglycosides, streptomycin used for treating tuberculosis, was made by Selman Waksman from soil bacteria.

1955- Most famous antibiotic in the U.S. was Tetracycline. It was pioneered by Lloyd Conover1

1957 - Nystatin was developed to treat fungal infections.

1981 - SmithKline Beecham created Amoxicillin.

2000 - Companies such as of SmithKline Beecham (a pharmaceutical and vaccine company that specialized in antibiotics) developed in production of antibiotics.