title: Isolation of protein-associated circular DNA from healthy cattle serum.
abstract: Three replication-competent single-stranded DNA molecules sharing nucleotide similarity to transmissible spongiform encephalopathy (TSE)-associated isolate Sphinx 2.36 were isolated from healthy bovine serum.
authors.affiliation: Division for the Characterization of Tumorviruses, Deutsches Krebsforschungszentrum, Heidelberg, Germany.
authors.forename: Mathis
authors.initials: M
authors.lastname: Funk
authors.affiliation: Division for the Characterization of Tumorviruses, Deutsches Krebsforschungszentrum, Heidelberg, Germany.
authors.forename: Karin
authors.initials: K
authors.lastname: Gunst
authors.affiliation: Division for the Characterization of Tumorviruses, Deutsches Krebsforschungszentrum, Heidelberg, Germany.
authors.forename: Vincent
authors.initials: V
authors.lastname: Lucansky
authors.affiliation: Institute for Virology, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany.
authors.forename: Hermann
authors.initials: H
authors.lastname: Müller
authors.affiliation: Division for the Characterization of Tumorviruses, Deutsches Krebsforschungszentrum, Heidelberg, Germany.
authors.forename: Harald
authors.initials: H
authors.lastname: Zur Hausen
authors.affiliation: Division for the Characterization of Tumorviruses, Deutsches Krebsforschungszentrum, Heidelberg, Germany e.devilliers@dkfz.de.
authors.forename: Ethel-Michele
authors.initials: EM
authors.lastname: de Villiers