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Bacteria have a system that allows tetracyclines to be transported into the cell, whereas human cells do not. Human cells therefore are spared the effects of tetracycline on protein synthesis. [1] Tetracyclines retain an important role in medicine, although their usefulness has been reduced with the onset of antibiotic resistance. [2]
Production of antibiotics is a naturally occurring event, that thanks to advances in science can now be replicated and improved upon in laboratory settings. Due to the discovery of penicillin by Alexander Fleming, and the efforts of Florey and Chain in 1938, large-scale, pharmaceutical production of antibiotics has been made possible.
It works by inhibiting protein synthesis in bacteria. [3] Tetracycline was patented in 1953 [6] and was approved for prescription use in 1954. [7] [8] It is on the World Health Organization's List of Essential Medicines. [9] Tetracycline is available as a generic medication. [3] Tetracycline was originally made from bacteria of the genus ...
Oxytetracycline, like other tetracyclines, is used to treat many infections, both common and rare.Its better absorption profile makes it preferable to tetracycline for moderately severe acne at a dosage of 250–500 mg four times a day for usually six to eight weeks at a time, but alternatives should be sought if no improvement occurs by three months.
The cephalosporins (and other β-lactams) have the ability to kill bacteria by inhibiting essential steps in the bacterial cell wall synthesis which in the end results in osmotic lysis and death of the bacterial cell. [2] Cephalosporins are widely used antibiotics because of their clinical efficiency and desirable safety profile. [3]
Teeth discoloration and same side effects as tetracycline. Not to be given to children and pregnant or lactating women. Similar structure with tetracycline, but five times stronger, big volume distribution and long half-time in the body Tinidazole: Tindamax Fasigyn: Protozoal infections: Upset stomach, bitter taste, and itchiness: Trimethoprim(Bs)
Bacteriophages, also known as phages, infect and kill bacteria primarily during lytic cycles. [ 201 ] [ 200 ] Phages insert their DNA into the bacterium, where it is transcribed and used to make new phages, after which the cell will lyse, releasing new phage that are able to infect and destroy further bacteria of the same strain. [ 200 ]
Phages destroy bacterial cell walls and membrane through the use of lytic proteins which kill bacteria by making many holes from the inside out. [272] Bacteriophages can even possess the ability to digest the biofilm that many bacteria develop that protect them from antibiotics in order to effectively infect and kill bacteria.