scholarly journals La Protein Binding at the GCAC Site Near the Initiator AUG Facilitates the Ribosomal Assembly on the Hepatitis C Virus RNA to Influence Internal Ribosome Entry Site-mediated Translation

2004 ◽  
Vol 279 (29) ◽  
pp. 29879-29888 ◽  
Author(s):  
Renuka Pudi ◽  
Prabhavathi Srinivasan ◽  
Saumitra Das
1992 ◽  
Vol 66 (3) ◽  
pp. 1476-1483 ◽  
Author(s):  
K Tsukiyama-Kohara ◽  
N Iizuka ◽  
M Kohara ◽  
A Nomoto

2004 ◽  
Vol 78 (21) ◽  
pp. 12075-12081 ◽  
Author(s):  
Dongsheng Li ◽  
William B. Lott ◽  
John Martyn ◽  
Gholamreza Haqshenas ◽  
Eric J. Gowans

ABSTRACT To investigate the role of the hepatitis C virus internal ribosome entry site (HCV IRES) domain IV in translation initiation and regulation, two chimeric IRES elements were constructed to contain the reciprocal domain IV in the otherwise HCV and classical swine fever virus IRES elements. This permitted an examination of the role of domain IV in the control of HCV translation. A specific inhibitor of the HCV IRES, vitamin B12, was shown to inhibit translation directed by all IRES elements which contained domain IV from the HCV and the GB virus B IRES elements, whereas the HCV core protein could only suppress translation from the wild-type HCV IRES. Thus, the mechanisms of translation inhibition by vitamin B12 and the core protein differ, and they target different regions of the IRES.


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