Biological characterization of Rev variation in equine infectious anemia virus

Michael Belshan, Matthew E. Harris, Anne E. Shoemaker, Thomas J. Hope, Susan Carpenter*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


Sequence analysis identified significant variation in the second exon of equine infectious anemia virus (EIAV) rev. Functional analysis indicated that limited amino acid variation in Rev significantly altered the export activity of the protein but did not affect Rev-dependent alternative splicing. EIAV Rev can mediate export through two independent cis-acting Rev-responsive elements (RREs), and differences among Rev variants were more pronounced when both RREs were present. Variation in Rev may be an important mechanism for regulation of virus replication in vivo and may contribute to changes in clinical disease.

Original languageEnglish (US)
Pages (from-to)4421-4426
Number of pages6
JournalJournal of virology
Issue number5
StatePublished - May 1998

ASJC Scopus subject areas

  • Insect Science
  • Virology
  • Microbiology
  • Immunology


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