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Department of Pathology and Microbiology, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, U.K.
Inoculation of the cottontop tamarin with EpsteinBarr virus (EBV) gives rise to the development of mono- and/or oligoclonal large cell malignant lymphoma. A cDNA library was generated with the RNA extracted from an EBV-induced tamarin lymphoma biopsy in order to study the transcripts expressed in the tumour tissue. Fifteen EBV-specific cDNA clones were localized in the corresponding viral genomic fragments. Among them, two correspond to the EBNA-2 gene, and two others to the latent membrane protein gene. The majority of the cDNA clones were localized in the BamHI A fragment which has not been associated with latent expression. Furthermore, cDNAs were also found from the BamHI D and I fragments. Sequence analysis of the cDNAs localized in BamHI A showed that they correspond to a rightward transcript in the BALF-3 region, with the one clone that was sequenced containing four exons and three introns. The above results were confirmed by testing three different biopsies with the rapid amplification of cDNA ends-PCR method.
Present address: Laboratoire de Virologie Moléculaire, UMR 30, CNRS-UCLB, Faculté de Médecine Alexis Carrel, Rue G. Paradin, 69372, Lyon, Cedex 08, France.
Received 13 August 1992;
accepted 26 October 1992.
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