In this article we will discuss about:- 1. Introduction to Mycoplasma 2. Morphology of Mycoplasma 3. Cell-Shape 4. Cell Structure 5. Reproduction 6. Transmission. Introduction to Mycoplasma: Mycloplasmas are the smallest, wall-less free living prokayotes belonging to class-Mollicutes. There were first discovered by Pasteur in 1843 when he was studying the causal organisms of pleuropneumonia in catties. He named it [...]
The following points highlight the life cycle of a typical plant virus such as TMV (Tobacco Mosaic Virus) which comprises of four stages. The stages are: 1. Transmission of Virus Particles (Virions) 2. Infection 3. Virus Multiplication 4. Sites of Viral RNA and Viral Protein Synthesis. Stage # 1. Transmission of Virus Particles (Virions): The rod-shaped Tobacco Mosaic Virus (TMV) [...]
In this article we will discuss about:- 1. Shape of Viruses 2. Microstructure of Viruses 3. Economic Importance 4. Affinities 5. Control of Diseases. Shape of Viruses: The shapes of virus particles or viruses are known chiefly from electron micrographs. The viruses may be spherical, rod like, brick-shaped B or shaped like a tadpole with a head and slender tail [...]