Article (Scientific journals)
Proteomic characterization of murid herpesvirus 4 extracellular virions.
Vidick, Sarah; Leroy, Baptiste; Palmeira, Leonor et al.
2013In PLoS ONE, 8 (12), p. 83842
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Abstract :
[en] Gammaherpesvirinae, such as the human Epstein-Barr virus (EBV) and the Kaposi's sarcoma associated herpesvirus (KSHV) are highly prevalent pathogens that have been associated with several neoplastic diseases. As EBV and KSHV are host-range specific and replicate poorly in vitro, animal counterparts such as Murid herpesvirus-4 (MuHV-4) have been widely used as models. In this study, we used MuHV-4 in order to improve the knowledge about proteins that compose gammaherpesviruses virions. To this end, MuHV-4 extracellular virions were isolated and structural proteins were identified using liquid chromatography tandem mass spectrometry-based proteomic approaches. These analyses allowed the identification of 31 structural proteins encoded by the MuHV-4 genome which were classified as capsid (8), envelope (9), tegument (13) and unclassified (1) structural proteins. In addition, we estimated the relative abundance of the identified proteins in MuHV-4 virions by using exponentially modified protein abundance index analyses. In parallel, several host proteins were found in purified MuHV-4 virions including Annexin A2. Although Annexin A2 has previously been detected in different virions from various families, its role in the virion remains controversial. Interestingly, despite its relatively high abundance in virions, Annexin A2 was not essential for the growth of MuHV-4 in vitro. Altogether, these results extend previous work aimed at determining the composition of gammaherpesvirus virions and provide novel insights for understanding MuHV-4 biology.
Disciplines :
Microbiology
Author, co-author :
Vidick, Sarah ;  Université de Liège - ULiège > Immunologie et vaccinologie
Leroy, Baptiste
Palmeira, Leonor ;  Université de Liège - ULiège > Département de productions animales > GIGA-R : Génomique animale
Machiels, Bénédicte  ;  Université de Liège - ULiège > Immunologie et vaccinologie
Mast, Jan
François, Sylvie ;  Université de Liège - ULiège > Immunologie et vaccinologie
Wattiez, Ruddy
Vanderplasschen, Alain ;  Université de Liège - ULiège > Immunologie et vaccinologie
Gillet, Laurent  ;  Université de Liège - ULiège > Immunologie et vaccinologie
Language :
English
Title :
Proteomic characterization of murid herpesvirus 4 extracellular virions.
Publication date :
2013
Journal title :
PLoS ONE
eISSN :
1932-6203
Publisher :
Public Library of Science, United States - California
Volume :
8
Issue :
12
Pages :
e83842
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 30 January 2014

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