In this article we will discuss about:- 1. Meaning of Virus 2. Characters of Virus 3. Importance. Meaning of Virus: The name 'virus' came from a Latin word virus which means venom or poisonous fluid. Although plant diseases like leaf roll of potato and human diseases like yellow fever, small pox etc., were known for long time, the nature of [...]
In this article we will discuss about bacteriophage and its properties. The virus which infects and destroys the bacterial cell is known as bacteriophage or eater of bacterium (Greek phagein — to eat). Though they are so called, but they do not eat bacteria. They infect and destroy the bacterial cells only. They are commonly known as phages. The phages [...]
In this article we will discuss about the growth curve of bacteriophage. One-step growth curve, developed by Max Delbriick and Emory Ellis (1939), marks the starting of modern bacteriophage research. In this experiment, susceptible bacterium (E. coli) is mixed with bacteriophage (T2) and is allowed for a short period to get attached with the host cells. The culture is then [...]