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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1999-10-7
pubmed:abstractText
Since its characterization in 1995, there has been increasing interest in the significance of GB virus B (GBV-B) due to its close phylogenetic relationship to hepatitis C virus (HCV). The genome of GBV-B is similar in length and organization to that of HCV and the two viruses share sequence similarity in their 5' untranslated regions (5'UTR). A secondary structure model of the GBV-B 5'UTR has been proposed by comparative sequence analysis with HCV. The highly conserved secondary structure, present in HCV and the pestiviruses, is also present in the 5'UTR of GBV-B. Translation of the HCV polyprotein initiates via an internal ribosome entry site (IRES) and it is proposed that the GBV-B UTR may function in a similar manner. Dicistronic reporter constructs were made to investigate the function of the GBV-B 5'UTR. Mutational analysis and in vitro translation experiments demonstrate that GBV-B initiates translation via an IRES.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0022-1317
pubmed:author
pubmed:issnType
Print
pubmed:volume
80 ( Pt 9)
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2337-41
pubmed:dateRevised
2002-11-1
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
The 5' untranslated region of GB virus B shows functional similarity to the internal ribosome entry site of hepatitis C virus.
pubmed:affiliation
Virology, GlaxoWellcome Medicines Research Centre, Stevenage, UK. kgg29888@glaxowellcome.co.uk
pubmed:publicationType
Journal Article