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 language | English |
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Pages (from-to) | 1834-8 |
Number of pages | 5 |
Journal | Journal of Virology |
Volume | 88 |
Issue number | 3 |
DOIs | |
Publication status | Published - 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