In this article we will discuss about the life history of bacillus subtilis. It is popularly known as Hay bacillus. It is a common example of a rod-shaped bacterium. A rich culture of the bacterium can easily be prepared in the laboratory. Take hay and chop it into small pieces. Put the chopped bits in water to prepare an infusion. [...]
In this article we will discuss about:- 1. Meaning of Bacteriophages 2. Ultrastructure of Bacteriophages 3. Life Cycle. Meaning of Bacteriophages (Bacterial Viruses): The viruses which attack, reproduce and lyse bacteria are called bacteriophages. The term bacteriophage literally means, "eater of bacteria". The bacteriophages do not eat bacteria but infect and kill them. Twort discovered in 1915 and Herelle studied [...]
In this article we will discuss about the citrus canker disease caused by bacteria. Host: Citrus sp. Pathogen: Xanthomonas sp. Introduction to the Citrus Canker Disease: Citrus Canker is a bacterial disease of worldwide distribution occurring wherever citrus is grown. It is a serious menace to our most valued citrus orchards causing objectionable blemishes on the fruit. The disease causes [...]