In this article we will discuss about:- 1. Meaning of Plasmids 2. Classes of Plasmid 3. Copies of Plasmids within a Cell 4. Phenotypic Effects of Plasmids 5. Origin of Plasmids and Viruses 6. Uses of Plasmids. Meaning of Plasmids: In bacterial cells, certain autonomously replicating circular genetic elements (DNA) are found some of which can become integrated into [...]
In this article we will discuss about Resistance Plasmid, a Group of Conjugative Plasmids which Confer to their Bacterial Host Resistance to Specific Antibiotics. Meaning of Resistance Plasmid: Resistance factors or resistance plasmids are a group of conjugative plasmids which confer to their bacterial host resistance to specific antibiotics, such as, chloramphenicol, sulphonamide, streptomycin, tetracycline etc., and to several metal [...]
In this article we will discuss about Genetic Material:- 1. Properties of Genetic Material 2. Evidence of Genetic Material. Properties of Genetic Material: A living cell is composed of several inorganic and organic components. Among them, one will obviously act as genetic material responsible for controlling hereditary characters. Identification of this genetic material remained controversial for a long time. Now [...]