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| coronavirus packaging signal ： ウィキペディア英語版 |
coronavirus packaging signal
The Coronavirus packaging signal is a conserved cis-regulatory element found in Coronavirus which has an important role in regulating the packaging of the viral genome into the capsid.
As part of the viral life cycle, within the infected cell, the viral genome becomes associated with viral proteins and assembles into new infective progeny viruses This process is called packaging and is vital for viral replication. This virus has positive-sense single-stranded RNA genome. A short region (190 base pairs) in the viral genome was identified that interacts with a viral envelope protein (protein M) and enables the viral RNA to be specificity packaged into virions.
Other RNA families identified in the coronavirus include the SL-III cis-acting replication element (CRE), the coronavirus frameshifting stimulation element, the coronavirus 3' stem-loop II-like motif (s2m) and the coronavirus 3' UTR pseudoknot.
==See also==
*Bacteriophage pRNA
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