In this article we will discuss about the evolution of genomes in microorganisms. The prokaryotes contain a large single, circular dsDNA molecule, usually less than 5 Mb long. In addition, they may also contain plasmids. The genome is arranged into operons. A typical prokaryotic genome contains a small amount of non-coding DNA distributed throughout the sequence. For example, E.coli contains [...]
Microorganisms are an important component of an ecosystem. Several ecological categories can be made on certain grounds while grouping the microorganisms. They are: 1. Based on Oxygen Requirement 2. Based on Carbon Sources as Energy 3. Based on Temperature 4. Based on Habitat 5. Microorganisms Living in Extreme Environment Extremophiles 6. On the Basis of Mode of Nutrition or Habit. [...]
In this article we will discuss about the meaning and types of culture medium used for microorganisms. Meaning of Culture Medium: A culture medium is a solid or liquid preparation of nutrient or combination of nutrients used to grow, transport, and store microorganisms. Much of the study of microbiology depends on the ability to grow and maintain microorganisms in the [...]