Antibiotics
A medicine that inhibits the growth of or destroys microorganisms.
Antibiotics are special kind of chemotherapeutic drugs usually obtained from living microorganisms.
In 1929, Alexander Fleming species (mould) that inhibits the growth of "staphylococcus aureus".
Antibiotics are discovered;
Streptomycin
Tetracycline
Ciprofloxacin
Uses of Antibiotics
1. Treatment of disease
2. Control contamination in tissue culture used for virus isolation.
3. Used in animal feeds as supplements.
4. Use against some plant pathogen.
5. Incorporated in culture media
6. Used for epidemiological typing of bacteria
7. Chemoprophylaxis in surgery and other disease
8. Used as selective agent in culture media
9.Used to spread of infection and control of disease
Mode of Action; Antibiotics
The antibiotics attack on microorganism by;
1. Inhibition of cell wall synthesis
2. Inhibit metabolic pathway
3. Inhibition of nucleic acid
4. Inhibition of protein synthesis
5. Inhibition of specific enzyme system
6. Damage to the cytoplasmic membrane
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