Vaccinia virus egress mediated by virus protein A36 is reliant on the F12 protein
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Vaccinia virus egress mediated by virus protein A36 is reliant on the F12 protein
Egress of vaccinia virus from its host cell is mediated by the microtubule-associated motor kinesin-1, and three viral proteins, A36 and the F12/E2 complex, have been implicated in this process. Deletion of F12 expression causes a more severe reduction in egress than deletion of A36 but whether these proteins are involved in the same or different mechanisms of kinesin-1 recruitment is unknown. ...
متن کاملVaccinia virus protein F12 associates with intracellular enveloped virions through an interaction with A36.
Vaccinia virus is the prototypical member of the family Poxviridae. Three morphologically distinct forms are produced during infection: intracellular mature virions (IMV), intracellular enveloped virions (IEV), and extracellular enveloped virions (EEV). Two viral proteins, F12 and A36, are found exclusively on IEV but not on IMV and EEV. Analysis of membranes from infected cells showed that F12...
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Vaccinia virus (VACV) utilizes microtubule-mediated trafficking at several stages of its life cycle, of which virus egress is the most intensely studied. During egress VACV proteins A36, F12 and E2 are involved in kinesin-1 interactions; however, the roles of these proteins remain poorly understood. A36 forms a direct link between virions and kinesin-1, yet in its absence VACV egress still occu...
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Vaccinia virus gene B1R encodes a protein kinase, the previously identified substrates of which include the proteins S2 and Sa of 40S ribosomal subunits. This work characterizes another substrate of the B1R kinase: a 36-kDa protein induced at the early stage of infection. Partially purified 36-kDa protein, eluted from a single-stranded DNA-cellulose column by 0.5 M NaCl, was separated by two-di...
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Vaccinia virus produces two distinct infectious virions; the single-enveloped intracellular mature virus (IMV), which remains in the cell until cell lysis, and the double-enveloped extracellular enveloped virus (EEV), which mediates virus spread. The latter is derived from a triple-enveloped intracellular enveloped virus (IEV) precursor, which is transported to the cell periphery by the kinesin...
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ژورنال
عنوان ژورنال: Journal of General Virology
سال: 2017
ISSN: 0022-1317,1465-2099
DOI: 10.1099/jgv.0.000816