The following points highlight the two main parts of virus particles according to Bawden and Pirie. The parts are: 1. Nucleoid 2. Capsid. Virus Particle: Part # 1. Nucleoid: It is present within the protein coat (Fig. 1). Each virus particle has only one type of nucleic acid either RNA or DNA. The viruses containing DNA are called Deoxyviruses and [...]
In this article we will discuss about Viroids. After reading this article you will learn about: 1. Discovery of Viroids 2. Structure of Viroids 3. Multiplication. Contents: Discovery of Viroids Structure of Viroids Multiplication of Viroids 1. Discovery of Viroids: Viroids were first discovered and given this name by Theodor Otto Diener (1971), a plant pathologist working at Agricultural Research [...]
The following points highlight the two types of myxoviruses. The two types of myxoviruses are: 1. Orthomyxoviruses (Influenza Virus Type A, B, and C) Influenza and 2. Paramyxoviruses (Respiratory Infection; Mumps; Measles). Myxovirus Type # 1. Orthomyxoviruses (Influenza Virus Type A, B, and C) Influenza: Description: These viruses are spherical or filamentous. From the viral envelope project spikes or haemagglutinin [...]