Document Detail


Nipah virus conforms to the rule of six in a minigenome replication assay.
MedLine Citation:
PMID:  14993656     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To study the replication of Nipah virus (NiV), a minigenome replication assay that does not require the use of infectious virus was developed. The minigenome was constructed to encode a NiV vRNA analogue containing the gene for chloramphenicol acetyltransferase (CAT) under the control of putative NiV transcription motifs and flanked by the NiV genomic termini. CAT protein was detected only when plasmids encoding the NiV minigenome, nucleocapsid protein (N), phosphoprotein (P) and polymerase protein (L) were transfected into CV1 cells. To determine whether NiV conforms to the rule of six, a series of plasmids encoding minigenomes that differed in length by a single nucleotide was tested in the replication assay. CAT production was detected only with the minigenome whose length was an even multiple of six. The replication assay was also used to show that the N, P and L proteins of NiV recognize cis-acting sequences in the genomic termini of Hendra virus (HeV) but not measles virus. While these results suggest that NiV uses a replication strategy that is similar to those of other paramyxoviruses, they also support the inclusion of NiV and HeV in a separate genus within the subfamily Paramyxovirinae.
Authors:
Kim Halpin; Bettina Bankamp; Brian H Harcourt; William J Bellini; Paul A Rota
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of general virology     Volume:  85     ISSN:  0022-1317     ISO Abbreviation:  J. Gen. Virol.     Publication Date:  2004 Mar 
Date Detail:
Created Date:  2004-03-02     Completed Date:  2004-04-30     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0077340     Medline TA:  J Gen Virol     Country:  England    
Other Details:
Languages:  eng     Pagination:  701-7     Citation Subset:  IM    
Affiliation:
Measles Virus Section, National Center for Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road, MS-C22, Atlanta, GA 30333, USA.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cell Line
DNA, Viral / genetics
Enzyme-Linked Immunosorbent Assay
Genes, Reporter
Genome, Viral*
Humans
Nipah Virus / genetics*,  physiology
RNA, Viral / genetics,  isolation & purification
Swine
Swine Diseases / virology
Transcription, Genetic
Transfection
Viral Proteins / genetics
Virus Replication / genetics
Zoonoses
Chemical
Reg. No./Substance:
0/DNA, Viral; 0/RNA, Viral; 0/Viral Proteins

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