Tag Archives | Chemotherapeutic Agents

Tetracylines: Structure and Mechanism of Action | Antibiotics

In this article we will discuss about:- 1. Structure of Tetracylines 2. Antibiotic Spectrum of Tetracylines 3. Mechanism of Action. Structure of Tetracylines: All members of the group of tetracyclines consist of a common four-ring structure to which a variety of side chains (R1, R2, R3) are attached (Fig. 45.14). Antibiotic Spectrum of Tetracylines: Tetracyclines are broad-spectrum bacteriostatic antibiotics active [...]

By |2016-09-16T06:19:25+00:00September 16, 2016|Medical Microbiology|Comments Off on Tetracylines: Structure and Mechanism of Action | Antibiotics

Short Essay on Antibiotics

The term antibiotic was deĀ­rived 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 [...]

By |2016-08-30T16:58:11+00:00August 30, 2016|Antibiotics|Comments Off on Short Essay on Antibiotics
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