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. 2012 Sep;8(9):e1002878.
doi: 10.1371/journal.ppat.1002878. Epub 2012 Sep 20.

The human cytomegalovirus assembly compartment: a masterpiece of viral manipulation of cellular processes that facilitates assembly and egress

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The human cytomegalovirus assembly compartment: a masterpiece of viral manipulation of cellular processes that facilitates assembly and egress

James C Alwine. PLoS Pathog. 2012 Sep.
No abstract available

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Conflict of interest statement

The author has declared that no competing interests exist.

Figures

Figure 1
Figure 1. Microscopic and diagrammatic representations of the assembly compartment and nucleus in an HCMV-infected cell.
(A) Maximum projection live cell micrograph showing the AC (identified by Dsred-tagged pp28, red) with the enlarged, kidney-shaped nucleus (identified by GFP-tagged lamin A) wrapped around the AC. (B) A poor artist's diagrammatic representation of the AC located next to the enlarged, kidney-shaped nucleus. The AC is formed on a microtubule organizing center (MTOC) with microtubules (MT) radiating from it. The nested cylindrical makeup of the AC is indicated by colored circles; each cylindrical region is proposed to be made up of vesicles derived from specific secretory organelles. Virion tegument and structural proteins reside with these vesicles and are applied to nucleocapsids as they egress from the nucleus and traverse toward the center of the AC. The point of contact between the AC and the nucleus may be a continuum, suggested by the dashed line representing the nuclear membrane at this junction. This may allow nucleocapsids open access from the nucleus to the AC late in infection. The AC and the kidney-shaped nucleus are formed by virally commandeered functions of dynein. Dynein (Dn) is shown pulling the nucleus around the AC by a mechanism similar to mitotic nuclear envelope breakdown. Dynein loaded with cargo (Dc) is shown to represent the formation of the AC.

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References

    1. Sanchez V, Greis KD, Sztul E, Britt WJ (2000) Accumulation of virion tegument and envelope proteins in a stable cytoplasmic compartment during human cytomegalovirus replication: characterization of a potential site of virus assembly. J Virol 74: 975–986. - PMC - PubMed
    1. Sanchez V, Sztul E, Britt WJ (2000) Human cytomegalovirus pp28 (UL99) localizes to a cytoplasmic compartment which overlaps the endoplasmic reticulum-golgi-intermediate compartment. J Virol 74: 3842–3851. - PMC - PubMed
    1. Das S, Pellett PE (2007) Members of the HCMV US12 family of predicted heptaspanning membrane proteins have unique intracellular distributions, including association with the cytoplasmic virion assembly complex. Virology 361: 263–273. - PubMed
    1. Das S, Pellett PE (2011) Spatial relationships between markers for secretory and endosomal machinery in human cytomegalovirus-infected cells versus those in uninfected Cells. J Virol 85: 5864–5879. - PMC - PubMed
    1. Das S, Vasanji A, Pellett PE (2007) Three-dimensional structure of the human cytomegalovirus cytoplasmic virion assembly complex includes a reoriented secretory apparatus. J Virol 81: 11861–11869. - PMC - PubMed

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