Let's try dripping reagents on this lung tissue, maybe we will find something surprising,
Hans Christian Gram
Berlin 1880'S
Carl Friedlander
Oh My! It looks like there are different colors of bacteria.
You're right! These differences are the result of the composition of the cell wall. Some bacteria have peptidoglycan. These cells are called "gram positive?" bacterial cells.
Berlin 1880'S
How does this have to do with the color of the bacteria?
They get their color from a stain, whether violet and iodine, or methylene blue. Others, that do not contain peptidoglycan, are not stained and are referred to as gram-negative, and appear red.
Berlin 1880'S
Understood. You named it after yourself. I helped with the lab and I get no credit.
Sorry Mr. Friedlander! I appreciate your help with developing the process and technique of this experiment.
Berlin 1880'S
Its ok.
Hello America! Thanks to Hans Christian Gram, scientists are able to identify new antibiotics, which are key in the battle against antimicrobial resistance.