![]() ![]() Along with the shape and DNA sequence, other things such as their metabolic activities, conditions required for their growth, biochemical reactions (i.e., biochemistry as mentioned above), antigenic properties etc. if they are related to each other despite their different shapes. DNA sequencing helps in understanding the relationship between two types of bacteria i.e. Nowadays, along with the morphology, DNA sequencing is also used in order to classify bacteria. either Gram positive or Gram negative staining. Classification of Bacteriaīefore the invention of the DNA sequencing technique, bacteria were mainly classified based on their shapes – also known as morphology, biochemistry and staining – i.e. This article will give you the classification of these micro-organisms based on all these factors, as well as a few other factors. The classification of bacteria is based on many factors like morphology, DNA sequencing, requirement of oxygen and carbon-dioxide, staining methods, presence of flagellae, cell structure, etc. However, each of these types possess their own peculiar characteristics – which have evolved after separation from the original species. There are various groups of bacteria, which belong to the same family and have evolved from the same bacteria (ancestoral). There are several different types of bacteria, and they are found everywhere and in all types of environment. They come in different shapes and sizes, and their sizes are measured in micrometer – which is a millionth part of a meter. Bacteria (singular: bacterium) are single-celled organisms which can only be seen through a microscope.
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