Question

How is Escherichia coli classification defined?

Answer 1

The classification of Escherichia coli:

1. Escherichia coli is a gram-negative, rod-shaped bacteria that generally lives in our small intestine.
2. Escherichia coli belongs to one of five species recognized under the genus Escherichia.
3. It fits into the genus Escherichia because of the property of its group members to form colonies in the intestinal tract of mammals.
4. It belongs to the family Enterobacteriaceae due to the movement via peritrichous flagella of its group members.
5. They are rod-shaped, gram-negative bacteria. So they fit into the order Enterobacteriales.
6. As they are facultative anaerobic gram-negative bacteria, so they belong to the class Gamma Proteobacteria.
7. They are gram-negative bacteria having lipopolysaccharide containing outer membrane. So it fits into the phylum Proteobacteria.
8. Lastly, they are from the domain and kingdom of bacteria as they are unicellular organisms.