Enterobacteria Phage T2: An Intriguing Virus that Infects E. coli

Enterobacteria phage T2 is a virus that infects Escherichia coli (E. coli) bacteria. This virus belongs to the family Myoviridae and has a complex structure consisting of a head, a tail, and tail fibers. The virus is small, with a diameter of around 90 nm, and is invisible to the naked eye. However, when viewed through an electron microscope, Enterobacteria phage T2 reveals a stunning and intricate structure.

The head of Enterobacteria phage T2 is polyhedral in shape, with icosahedral symmetry. It is made up of 20 triangular faces and has a diameter of approximately 60 nm. The head contains the viral genome, which is made up of double-stranded DNA. The tail of Enterobacteria phage T2 is long and flexible, measuring around 160 nm in length. It is composed of a tube-like structure surrounded by a contractile sheath. The tail fibers, which are responsible for attaching the virus to the host cell, are located at the base of the tail.

When Enterobacteria phage T2 infects E. coli, it attaches to the bacterial cell wall using its tail fibers. The tail then contracts, injecting the viral genome into the host cell. Once inside the host, the viral DNA takes over the cell’s machinery, using it to produce new virus particles. Eventually, the host cell bursts, releasing the new virus particles into the environment, where they can infect other bacterial cells.

Enterobacteria phage T2 is an intriguing virus with a complex and elegant structure. It has been extensively studied by scientists as a model system for understanding virus-host interactions and for developing new techniques for genetic engineering. Additionally, it has been used in the food industry as a natural antimicrobial agent to control the growth of pathogenic bacteria such as E. coli and Salmonella.

In conclusion, Enterobacteria phage T2 is a virus that infects E. coli bacteria and has a striking and intricate structure. Its head, tail, and tail fibers work together to allow the virus to attach to and infect its host cell. Despite being a microscopic organism, Enterobacteria phage T2 has played a significant role in the study of virology and has practical applications in industries such as food production.