Naesvirus

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Naesvirus
Virus classification
Group:
Group I (dsDNA)
Order:
Family:
Subfamily:
Unassigned
Genus:
Bcep78likevirus
Type species
Burkholderia phage Bcep781

Bcep78likevirus 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 five species in this genus, including the type species Burkholderia phage Bcep781.[1][2][3]

Taxonomy

Species:

Structure

Bcep78likeviruses are nonenveloped, with a head and tail.[1]

Genome

All five species have been fully sequenced and are available from ICTV. They range between 46k and 49k nucleotides, with 62 to 71 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 Bcep78likevirus was first accepted as a new genus, at the same time as all five of its contained species. This proposal is available here.[2]

References

  1. ^ a b c "Viral Zone". ExPASy. Retrieved 17 February 2015.
  2. ^ a b ICTV. "Virus Taxonomy: 2013 Release". Retrieved 17 February 2015.
  3. ^ a b NCBI. "Bcep78likevirus Complete Genomes". Retrieved 17 February 2015.