1887

Abstract

Summary

Nuclear DNA-binding proteins were extracted from lymphoblastoid cell lines transformed with Epstein-Barr virus (EBV) or with the related lymphotropic herpesviruses of gorilla (), chimpanzee (), baboon () or orang-utan (). They were immunoblotted with the sera of all four simian species in comparison with EBV antibody-positive human sera. Eight nuclear proteins were identified, and were designated GONA-1 and GONA-2 for -determined nuclear antigens, PANA-1A, PANA-1B and PANA-2 for , PONA-2 for and HUPNA-1 and HUPNA-2 for -determined nuclear antigens. One of two tested HUPNA-2-positive baboon sera and one PONA-2-positive orang-utan serum also reacted with EBNA-2 in EBV-transformed cells. A human serum that contained antibodies to all five EBNA proteins cross-reacted only with PANA-2 and PONA-2. Monospecific anti-peptide antibodies against EBNA-2, type A, also reacted with PONA-2, but not with the other simian nuclear antigens. The data provide evidence that EBV-like simian lymphotropic herpesviruses induce EBNA-like nuclear antigens and that EBNA-2 and some simian EBNA-related proteins contain an epitope that has been conserved during the evolution of the EBV family of viruses.

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/content/journal/jgv/10.1099/0022-1317-68-6-1587
1987-06-01
2019-10-20
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-68-6-1587
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