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Metavirus is a genus of viruses in the family Metaviridae. [1] They are retrotransposons that invade a eukaryotic host genome and may only replicate once the virus has infected the host. [2]
The capsid is made from proteins encoded by the viral genome and its shape serves as the basis for morphological distinction. [41] [42] Virally-coded protein subunits will self-assemble to form a capsid, in general requiring the presence of the virus genome. Complex viruses code for proteins that assist in the construction of their capsid.
Life-cycle of a typical virus (left to right); following infection of a cell by a single virus, hundreds of offspring are released. When a virus infects a cell, the virus forces it to make thousands more viruses. It does this by making the cell copy the virus's DNA or RNA, making viral proteins, which all assemble to form new virus particles. [37]
Virus crystallisation is the re-arrangement of viral components into solid crystal particles. [1] The crystals are composed of thousands of inactive forms of a particular virus arranged in the shape of a prism. [2] The inactive nature of virus crystals provide advantages for immunologists to effectively analyze the structure and function behind ...
Rwanda is battling its first-ever outbreak of the deadly Marburg virus, with 36 cases reported so far and 11 deaths. The World Health Organization said this week the risk of the outbreak is very ...
The metaphysis (pl.: metaphyses) is the neck portion of a long bone between the epiphysis and the diaphysis. [1] It contains the growth plate , the part of the bone that grows during childhood, and as it grows it ossifies near the diaphysis and the epiphyses.
As bird flu continues to spread across the United States, questions have emerged about the risk of contracting the virus from milk and eggs. More than 150 million poultry birds have been killed in ...
What is Marburg virus? It is a hemorrhagic fever virus from the same family as the virus that causes Ebola. The virus can be transmitted by exposure to mines or caves inhabited by Rousettus bat ...