Abstract:
:Feline panleukopenia virus (FPV) and its host range variant, canine parvovirus (CPV), can bind the feline transferrin receptor (TfR), while only CPV binds to the canine TfR. Introducing two CPV-specific changes into FPV (at VP2 residues 93 and 323) endowed that virus with the canine TfR binding property and allowed canine cell infection, although neither change alone altered either property. In CPV the reciprocal changes of VP2 residue 93 or 323 to the FPV sequences individually resulted in modest reductions in infectivity for canine cells. Changing both residues in CPV to the FPV amino acids blocked the canine cell infection, but that virus was still able to bind the canine TfR at low levels. This shows that both CPV-specific changes control canine TfR binding but that binding is not always sufficient to mediate infection.
journal_name
J Viroljournal_title
Journal of virologyauthors
Hueffer K,Govindasamy L,Agbandje-McKenna M,Parrish CRdoi
10.1128/jvi.77.18.10099-10105.2003subject
Has Abstractpub_date
2003-09-01 00:00:00pages
10099-105issue
18eissn
0022-538Xissn
1098-5514journal_volume
77pub_type
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