What is VB_HmeY_H4907?

Sept. 23, 2023

At the lowest point, nearly 11,000 metres below the surface of the Pacific Ocean, a new virus named vB_HmeY_H4907 has been discovered on Earth.

About VB_HmeY_H4907:

  • It is a new virus discovered nearly 11,000 metres below the surface of the Pacific Ocean.
  • The virus has been understood as a Bacteriophage, which means ‘bacteria eater’.
  • It infects halophilic bacteria (bacteria that inhabit environments with high salt concentrations) from the genus Halomonas. Such bacteria are generally found in deep-sea hydrothermal vents.
  • The virus is actually very genetically similar to its host and is a lysogenic phage, meaning that it inserts its genetic material into the bacteria but usually doesn’t kill it; instead, both virus and bacteria replicate at the same time.

What are Bacteriophages?

  • Bacteriophages, also known as phages, are viruses that infect and replicate in bacterial cells. 
  • They also infect the single-celled prokaryotic organisms known as archaea.
  • They were discovered independently by Frederick W. Twort in Great Britain (1915) and Félix d’Hérelle in France (1917). 
  • They are ubiquitous in the environment and are recognised as the most abundant biological agent on earth.
  • They are extremely diverse in size, morphology, and genomic organisation.
  • Like all viruses, phages are simple organisms that consist of a core of genetic material (nucleic acid) surrounded by a protein capsid. The nucleic acid may be either DNA or RNA and may be double-stranded or single-stranded.

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