A method for in vitro assembly of hepatitis C virus core protein and for screening of inhibitors

  • Fromentin R
  • Majeau N
  • Gagné M
 et al. 
  • 0


    Mendeley users who have this article in their library.
  • 17


    Citations of this article.


The assembly of hepatitis C virus (HCV) is not well understood. We investigated HCV nucleocapsid assembly in vitro and the role of electrostatic/hydrophobic interactions in this process. We developed a simple and rapid in vitro assay in which the progress of assembly is monitored by measuring an increase in turbidity, thereby allowing the kinetics of assembly to be determined. Assembly is performed using a truncated HCV core (C1-82), containing the minimal assembly domain, purified from Escherichia coli. The increase in turbidity is linked to the formation of nucleocapsid-like particles (NLPs) in solution, and nucleic acids are essential to initiate nucleocapsid assembly under the experimental conditions used. The sensitivity of NLP formation to salt strongly suggests that electrostatic forces govern in vitro assembly. Mutational analysis of C1-82 demonstrated that it is the global positive charge of C1-82 rather than any specific basic residue that is important for the assembly process. Our in vitro assembly assay provides an easy and efficient means of screening for assembly inhibitors, and we have identified several inhibitory peptides that could represent a starting point for drug design. ?? 2007 Elsevier Inc. All rights reserved.

Author-supplied keywords

  • Absorbance spectrometry
  • Hepatitis C virus
  • In vitro assembly
  • Kinetics
  • Nucleocapsid

Get free article suggestions today

Mendeley saves you time finding and organizing research

Sign up here
Already have an account ?Sign in

Find this document


  • Rémi Fromentin

  • Nathalie Majeau

  • Marie Eve Laliberté Gagné

  • Annie Boivin

  • Jean Baptiste Duvignaud

Cite this document

Choose a citation style from the tabs below

Save time finding and organizing research with Mendeley

Sign up for free