In this article we will discuss about the properties and functions of genetic material in organisms. The genetic material must have some well-defined properties to fulfill its functions. These are enumerated below: 1. It must act as a store-house of information and must be able to transmit the information to the biochemical machinery of the cell. 2. It must be [...]
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 [...]