Adenosine deaminase acts as a natural antagonist for dipeptidyl peptidase 4-mediated entry of the Middle East respiratory syndrome coronavirus.

V Stalin Raj, Saskia L Smits, Lisette B Provacia, Judith M A van den Brand, Lidewij Wiersma, Werner J D Ouwendijk, Theo M Bestebroer, Monique I Spronken, Geert van Amerongen, Peter J M Rottier, Ron A M Fouchier, Berend Jan Bosch, Albert D M E Osterhaus, Bart L Haagmans

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Middle East respiratory syndrome coronavirus (MERS-CoV) replicates in cells of different species using dipeptidyl peptidase 4 (DPP4) as a functional receptor. Here we show the resistance of ferrets to MERS-CoV infection and inability of ferret DDP4 to bind MERS-CoV. Site-directed mutagenesis of amino acids variable in ferret DPP4 thus revealed the functional human DPP4 virus binding site. Adenosine deaminase (ADA), a DPP4 binding protein, competed for virus binding, acting as a natural antagonist for MERS-CoV infection.
Original languageEnglish
Pages (from-to)1834-8
Number of pages5
JournalJournal of Virology
Volume88
Issue number3
DOIs
Publication statusPublished - 2014

Keywords

  • Molecular Sequence Data
  • Protein Binding
  • Receptors, Virus
  • Adenosine Deaminase: metabolism
  • Amino Acid Sequence
  • Animals
  • Coronaviridae
  • Coronaviridae Infections
  • Coronaviridae Infections: enzymology
  • Coronaviridae Infections: virology
  • Coronaviridae: genetics
  • Coronaviridae: physiology
  • Dipeptidyl Peptidase 4
  • Dipeptidyl Peptidase 4: chemistry
  • Adenosine Deaminase
  • Virus Internalization
  • Spike Glycoprotein, Coronavirus: metabolism
  • Spike Glycoprotein, Coronavirus: genetics
  • Spike Glycoprotein, Coronavirus
  • Sequence Alignment
  • Receptors, Virus: metabolism
  • Adenosine Deaminase: genetics
  • Receptors, Virus: genetics
  • Receptors, Virus: chemistry
  • Dipeptidyl Peptidase 4: genetics
  • Dipeptidyl Peptidase 4: metabolism
  • Disease Models, Animal
  • Ferrets
  • Humans

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