Myxoma virus

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Classification: ICTVdB Virus Code: 00.058.1.05.001. Virus accession number: 58105001. Obsolete virus code: 58.1.5.0.001; superceded accession number: 58150001. NCBI Taxon Identifier NCBI Taxonomy ID: 10273. Type of the genus: 00.058.1.05. [1]poripoxvirus]|Leporipoxvirus subfamily 00.058.1. [Chordopoxvirinae]|[2] in the family 00.058. Poxviridae.]

Image: none found.

Natural Host: Lagomorphia, ie. cute little bunny rabbits and hares.

Domain Eucarya, Kingdom Animalia, Phylum Chordata, Subphylum Vertebrata, Class Mammalia, Order Lagomorphia.

Species: Myxoma virus belongs to the genus Leporipoxvirus; subfamily Chondropoxvirinae; family Poxviridae

Genus species Image: not available given copyright restrictions

Description and significance:

Describe the appearance, habitat, etc. of the organism:

  Myxoma virions have a two complex structures having either an envelope or no envelope, a surface membrane, a core, and lateral bodies. The envelope contains host-derived lipids and self-synthesized glycolipids. In the course of its life cycle, these virions produce both extracellular and intracellular particles. They can have two phenotypes and may be enveloped during their extracellular phase. (The extracellular virions initiate viral infection.) These virions may be segregated within non-occluded inclusion bodies. Typically myxoma virions contain one enveloped nucleocapsid. These virions are slightly pleomorphic, brick–shaped, and measure approximately 250 nm in diameter, 250–300 nm in length, and 200 nm in height. The core is biconcave with two lateral bodies, nested between either the core membrane or the surface membrane.  They mature by budding through the membrane of the host cell.

, and why it is important enough to have its genome sequenced. Describe how and where it was isolated. Include a picture or two (with sources) if you can find them. Genome structure [edit]

Describe the size and content of the genome. The genome is not segmented and consists of a single molecule of linear double-stranded DNA. The complete genome is approximately 161.8 kb long. The genome has a G-C content of ~40% with terminally redundant sequences repeated at both ends[Cheryl Cameron et al. "The Complete DNA Sequence of Myxoma Virus." Virology, Volume 264, Issue 2, 25 November 1999, Pages 298-318].The viral genome encodes structural proteins and non-structural proteins.

How many chromosomes? Circular or linear? Other interesting features? What is known about its sequence? Does it have any plasmids? Are they important to the organism's lifestyle? Cell structure and metabolism [edit]

Describe any interesting features and/or cell structures; how it gains energy; what important molecules it produces. Ecology [edit]

Describe any interactions with other organisms (included eukaryotes), contributions to the environment, effect on environment, etc. Pathology [edit]

How does this organism cause disease? Human, animal, plant hosts? Virulence factors, as well as patient symptoms. Application to Biotechnology [edit]

Does this organism produce any useful compounds or enzymes? What are they and how are they used? Current Research [edit]

Enter summaries of the most recent research here--at least three required References [edit]