Here is a list of top three antibiotics:- 1. Penicillins 2. Tetracyclines and Chloramphenicol 3. Streptomycin. 1. Penicillins: Penicillins, a group of several penicillin, differ from one another in the side chain attached to its amino group. Most of these penicillins are 6-aminopenicillanic acid derivatives and all have β-lactam ring which is responsible for the antibiotic activity (Fig. 20.16). Pencillin [...]
The term antibiotic was derived from antibiosis, a phenomenon of antagonism of one organism by another. Antibiosis has been observed by many scientific workers dealing with microorganisms growing on plates (petridishes), but the credit of discovering and exploiting the product (antibiotic) for useful purpose goes to Alexander Fleming (1928). While working in a hospital laboratory in London, he found that [...]
This article throws light upon the top seven types of antibiotics. The seven types of antibiotics are: (1) Penicillins (2) Cephalosporin's (3) Aminoglycosides (4) Tetracyclines (5) Macrolides (6) Aromatic Antibiotics and (7) Nucleoside Antibiotics. Type # 1. Penicillins: Penicillins are a group of β-lactam containing bactericidal antibiotics. Being the first among the antibiotics to be discovered, penicillins are historically important. [...]