Varicella zoster virus ORF25 gene product: an essential hub protein linking encapsidation proteins and the nuclear egress complex
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Varicella zoster virus ORF25 gene product: an essential hub protein linking encapsidation proteins and the nuclear egress complex. / Vizoso Pinto, Maria G; Pothineni, Venkata R; Haase, Rudolf; Woidy, Mathias; Lotz-Havla, Amelie S; Gersting, Søren W; Muntau, Ania C; Haas, Jürgen; Sommer, Marvin; Arvin, Ann M; Baiker, Armin.
in: J PROTEOME RES, Jahrgang 10, Nr. 12, 02.12.2011, S. 5374-82.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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T1 - Varicella zoster virus ORF25 gene product: an essential hub protein linking encapsidation proteins and the nuclear egress complex
AU - Vizoso Pinto, Maria G
AU - Pothineni, Venkata R
AU - Haase, Rudolf
AU - Woidy, Mathias
AU - Lotz-Havla, Amelie S
AU - Gersting, Søren W
AU - Muntau, Ania C
AU - Haas, Jürgen
AU - Sommer, Marvin
AU - Arvin, Ann M
AU - Baiker, Armin
PY - 2011/12/2
Y1 - 2011/12/2
N2 - Varicella zoster virus (VZV) ORF25 is a 156 amino acid protein belonging to the approximately 40 core proteins that are conserved throughout the Herpesviridae. By analogy to its functional orthologue UL33 in Herpes simplex virus 1 (HSV-1), ORF25 is thought to be a component of the terminase complex. To investigate how cleavage and encapsidation of viral DNA links to the nuclear egress of mature capsids in VZV, we tested 10 VZV proteins that are predicted to be involved in either of the two processes for protein interactions against each other using three independent protein-protein interaction (PPI) detection systems: the yeast-two-hybrid (Y2H) system, a luminescence based MBP pull-down interaction screening assay (LuMPIS), and a bioluminescence resonance energy transfer (BRET) assay. A set of 20 interactions was consistently detected by at least 2 methods and resulted in a dense interaction network between proteins associated in encapsidation and nuclear egress. The results indicate that the terminase complex in VZV consists of ORF25, ORF30, and ORF45/42 and support a model in which both processes are closely linked to each other. Consistent with its role as a central hub for protein interactions, ORF25 is shown to be essential for VZV replication.
AB - Varicella zoster virus (VZV) ORF25 is a 156 amino acid protein belonging to the approximately 40 core proteins that are conserved throughout the Herpesviridae. By analogy to its functional orthologue UL33 in Herpes simplex virus 1 (HSV-1), ORF25 is thought to be a component of the terminase complex. To investigate how cleavage and encapsidation of viral DNA links to the nuclear egress of mature capsids in VZV, we tested 10 VZV proteins that are predicted to be involved in either of the two processes for protein interactions against each other using three independent protein-protein interaction (PPI) detection systems: the yeast-two-hybrid (Y2H) system, a luminescence based MBP pull-down interaction screening assay (LuMPIS), and a bioluminescence resonance energy transfer (BRET) assay. A set of 20 interactions was consistently detected by at least 2 methods and resulted in a dense interaction network between proteins associated in encapsidation and nuclear egress. The results indicate that the terminase complex in VZV consists of ORF25, ORF30, and ORF45/42 and support a model in which both processes are closely linked to each other. Consistent with its role as a central hub for protein interactions, ORF25 is shown to be essential for VZV replication.
KW - Animals
KW - Base Sequence
KW - Bioluminescence Resonance Energy Transfer Techniques
KW - Capsid
KW - Cell Nucleus
KW - Cloning, Molecular
KW - Cosmids
KW - DNA, Viral
KW - Escherichia coli
KW - Gene Deletion
KW - Genes, Viral
KW - HeLa Cells
KW - Herpesvirus 3, Human
KW - Humans
KW - Immune Sera
KW - Open Reading Frames
KW - Protein Interaction Mapping
KW - Protein Structure, Tertiary
KW - Rabbits
KW - Transfection
KW - Two-Hybrid System Techniques
KW - Viral Proteins
KW - Virus Replication
U2 - 10.1021/pr200628s
DO - 10.1021/pr200628s
M3 - SCORING: Journal article
C2 - 21988664
VL - 10
SP - 5374
EP - 5382
JO - J PROTEOME RES
JF - J PROTEOME RES
SN - 1535-3893
IS - 12
ER -