The effect of purification method on the completeness of the immature HIV-1 Gag shell

Nitzan Kol, Marianna Tsvitov, Liron Hevroni, Sharon G. Wolf, Hong Bo Pang, Michael S. Kay, Itay Rousso

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Elucidating the structure of the immature HIV-1 Gag core is an important aspect of understanding the biology of this virus. In doing so, preservation of the fragile Gag lattice is essential. In this study, the effects of purification methods on the structural and mechanical integrity of immature HIV-1 are examined. The results show that the morphological and mechanical properties of the virion are preserved to a significantly higher degree by Iodixanol (OptiPrep) purification compared to the standard sucrose method. In conclusion, these results indicate that OptiPrep instead of sucrose purification should be employed when conducting structural studies on the HIV-1 virion.

Original languageEnglish (US)
Pages (from-to)244-247
Number of pages4
JournalJournal of Virological Methods
Volume169
Issue number1
DOIs
StatePublished - Oct 1 2010
Externally publishedYes

Keywords

  • Gag
  • HIV-1
  • Immature
  • Iodixanol
  • OptiPrep
  • Purification
  • Structure
  • Sucrose

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