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Embecovirus

Subgenus of viruses From Wikipedia, the free encyclopedia

Embecovirus
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Embecovirus is a subgenus of coronaviruses in the genus Betacoronavirus.[1] The viruses in this subgenus, unlike other coronaviruses, have a hemagglutinin esterase (HE) gene.[2] The viruses in the subgenus were previously known as group 2a coronaviruses.[3][4]

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Taxonomy

The subgenus contains the following species, listed by scientific name and followed by the exemplar virus of the species:[5][6]

Structure

The viruses of this subgenus, like other coronaviruses, have a lipid bilayer envelope in which the membrane (M), envelope (E) and spike (S) structural proteins are anchored.[7] Unlike other coronaviruses, viruses in this subgenus also have an additional shorter spike-like structural protein called hemagglutinin esterase (HE).[2][8]

Recombination

Genetic recombination can occur when two or more viral genomes are present in the same host cell. The dromedary camel beta-coronavirus (Beta-CoV HKU23) exhibits genetic diversity in the African camel population.[9] Contributing to this diversity are several recombination events that had taken place in the past between closely related Beta-CoVs of the subgenus Embecovirus.[9]

See also

References

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