Bcepmuvirus

Bcepmuvirus is a genus of viruses in the family Myoviridae, not assigned to a subfamily. Bacteria serve as the natural host, with transmission achieved through passive diffusion. There are currently two species in this genus, including the type species Burkholderia virus BcepMu.[1][2][3]

Bcepmuvirus
Virus classification
(unranked): Virus
Realm: Duplodnaviria
Kingdom: Heunggongvirae
Phylum: Uroviricota
Class: Caudoviricetes
Order: Caudovirales
Family: Myoviridae
Genus: Bcepmuvirus
Type species
Burkholderia virus BcepMu

Taxonomy

Species:

  • Burkholderia virus BcepMu (type species)
  • Burkholderia virus phiE255

Structure

Bcepmuviruses are nonenveloped, with a head and tail. The head has an elongated icosahedral symmetry (T=13, Q=21).[1]

Genome

Both species have been fully sequenced and are available from ICTV. They range between 36k and 38k nucleotides, with 53 to 55 proteins. The complete genomes are available from here.[3]

Life cycle

The virus attaches to the host cell using its terminal fibers, and ejects the viral DNA into the host cytoplasm via contraction of its tail sheath. Once the viral genes have been replicated, the procapsid is assembled and packed. The tail is then assembled and the mature virions are released via lysis.[1]

History

According to the ICTV's 2010–11 report, the genus Bcepmuvirus was first accepted as a new genus, at the same time as both of its contained species. This proposal is available here.[2]

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References
  1. "Viral Zone". ExPASy. Archived from the original on 12 February 2015. Retrieved 13 February 2015.
  2. ICTV. "Virus Taxonomy: 2013 Release". Retrieved 13 February 2015.
  3. NCBI. "Bcepmulikevirus Complete Genomes". Retrieved 13 February 2015.

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