Recombination analysis of human-tropic porcine endogenous retroviruses

1 ApoGene Biotechnologie, D-86567 Hilgertshausen, Germany 2 Institut für Tierzucht und Genetik, Veterinärmedizinische Universität Wien, A-1210 Vienna, Austria 3 Ludwig-Boltzmann-Institut für Immuno-, Zyto- und Molekulargenetische Forschung Wien, A-1210 Vienna, Austria Correspondence Bernhard Aigner...

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Bibliographic Details
Published in:Journal of general virology 2003-10, Vol.84 (10), p.2729-2734
Main Authors: Klymiuk, Nikolai, Muller, Mathias, Brem, Gottfried, Aigner, Bernhard
Format: Article
Language:English
Subjects:
Animals
Base Sequence
Cell Line
Endogenous Retroviruses - genetics
Endogenous Retroviruses - physiology
env gene
Genes, env - genetics
Genome, Viral
Humans
Molecular Sequence Data
Porcine endogenous retrovirus
Recombination, Genetic
Sequence Analysis, DNA
Swine - virology
Virus Replication
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Summary:1 ApoGene Biotechnologie, D-86567 Hilgertshausen, Germany 2 Institut für Tierzucht und Genetik, Veterinärmedizinische Universität Wien, A-1210 Vienna, Austria 3 Ludwig-Boltzmann-Institut für Immuno-, Zyto- und Molekulargenetische Forschung Wien, A-1210 Vienna, Austria Correspondence Bernhard Aigner b.aigner{at}gen.vetmed.uni-muenchen.de Prevention of cross-species infection of porcine endogenous retroviruses (PERV) is crucial for xenotransplantation. The potential risk of infection is caused by replication-competent PERV as well as by hybrid viruses derived from recombination events of distinct PERV genomes. Recently, human-tropic, replication-competent PERV genomes obtaining hybrid sequences have been observed. Here, complete polymorphism pattern analysis was performed on the full-length PERV 1 clones and on the complete envelope ( env ) gene sequences published to date. Several recombined full-length clones and a high number of different recombination patterns in the env gene were identified. In addition, recombinations with retroviral genomes not yet known were found. Thus, the potential risk of infection also exists for recombination products, including defective PERV loci. Present address: Lehrstuhl für Molekulare Tierzucht und Biotechnologie, Moorversuchsgut, Hackerstr. 27, D-85764 Oberschleißheim, Germany
ISSN:0022-1317
1465-2099
DOI:10.1099/vir.0.19284-0