Document Detail


How hantaviruses modulate cellular pathways for efficient replication?
MedLine Citation:
PMID:  23276978     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Hantaviruses are zoonotic category-A pathogens that cause highly fatal diseases in humans. The hantaviral genome encodes three viral proteins: RNA-dependent RNA polymerase (RdRp or L protein), nucleocapsid protein (N), and a glycoprotein precursor (GPC), which is post-translationally cleaved into two surface glycoproteins Gn and Gc. The cytoplasmic tail of Gn interferes with interferon signaling pathways. N is a multifunctional molecule that was shown to be involved in the transcription and translation of viral proteins. N binds to the host mRNA caps and protects the degradation of mRNA 5' termini, which are later snatched and used as primers by the viral RdRp during transcription initiation. N also seems to lure the host translation machinery for the preferential translation of viral transcripts. Moreover, N was shown to delay the induction of cellular apoptosis and facilitate the transport and localization of viral ribonucleoproteins (RNPs) by exploiting the cellular cytoskeleton and SUMOlyation machinery. Therefore, with their limited protein coding capacity, hantaviruses have evolved several strategies to modulate cellular pathways for their efficient replication.
Authors:
Islam T M Hussein; Mohammad Ayoub Mir
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Publication Detail:
Type:  Journal Article     Date:  2013-01-01
Journal Detail:
Title:  Frontiers in bioscience (Elite edition)     Volume:  5     ISSN:  1945-0508     ISO Abbreviation:  Front Biosci (Elite Ed)     Publication Date:  2013  
Date Detail:
Created Date:  2013-01-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101485240     Medline TA:  Front Biosci (Elite Ed)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  154-66     Citation Subset:  IM    
Affiliation:
4022 Orr Major, 3901 Rainbow Blvd, Kansas City, KS 66103.
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