Antibiotic action on Staphylococcus
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Antibiotic action on Staphylococcus
False-colour transmission electron micrograph (TEM) showing the effect of an antibiotic on the bacterium Staphylococcus aureus. On the left are the remains of a bacterium destroyed by lysis (bursting); the bacterium at right is, as yet, undamaged and is in the process of dividing. Lysis is achieved by the destruction of the outer cell wall and the subsequent release of the intracellular contents into the surrounding medium. S. aureus is a Gram-positive species of bacteria that is the commonest cause of pyogenic (pus-forming) infections in humans. It has evolved a number of variants resistant to antibiotics. Magnification: x37, 000 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6275911
© CNRI/SCIENCE PHOTO LIBRARY
Action Anti Biotic Bacteria Bacterial Bacteriology Bacterium Electron Micrograph Lysis Micro Organisms Microbe Microbes Of Bacteria Staphylococcus Aureus Transmission Micro Biology
EDITORS COMMENTS
This print showcases the remarkable action of antibiotics on Staphylococcus aureus, a Gram-positive bacterium notorious for causing pyogenic infections in humans. Through false-color transmission electron microscopy (TEM), we witness the profound effect of an antibiotic on this microbe. The left side of the image reveals the remnants of a bacterium that has been destroyed by lysis, or bursting. The outer cell wall has been completely eradicated, leading to the release of intracellular contents into its surrounding medium. This visual representation highlights how antibiotics can dismantle and neutralize harmful bacteria within our bodies. Contrasting with its ruptured counterpart, the bacterium on the right remains undamaged and is actively engaged in dividing itself. This serves as a reminder that while antibiotics are effective against certain strains, there are variants of Staphylococcus aureus that have developed resistance to these medications over time. With a magnification level of x37,000 at 6x7cm size, this TEM image offers us an up-close look at these microorganisms that play such significant roles in human health and disease. It underscores both their vulnerability to antibiotic intervention and their ability to adapt and survive under selective pressures. Science Photo Library brings us yet another awe-inspiring glimpse into the intricate world of microbiology through this stunning photograph print.
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