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  1. SCIENCE|natural and applied sciences|life sciences
    athchuingriú Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Neukombination | Genrekombination | Rekombination
    de
    recombination | gene recombination | DNA recombination | genetic recombination
    en
    Sainmhíniú process by which two DNA molecules exchange genetic information, resulting in the production of a new combination of alleles11 allele [ IATE:1254616 ] Tagairt Wikipedia. Genetic recombination, http://en.wikipedia.org/wiki/Genetic_recombination [20.1.2014]
    Nóta In viruses, there are two types of recombination, self recombination and recombination with host.Self recombination occurs when two viral genomes recombine by homologous crossing over. This happens for DNA viruses and is very common in prokaryotic viruses, but also for RNA viruses or retroviruses. These recombination events can be of evolutionary advantage for the virus when it helps to evade host immune defenses, for example by changing surface protein antigenicity.Recombination with host or other organism occurs when a viral genome recombine to acquire sequences from another organism. Natural selection can retain acquired sequence if it gives an evolutionary advantage to the virus and mutations can modify its original functions. This event is common in large dsDNA viruses, some eukaryotic viruses even acquired many genes from bacteria.Reference: Viral genome evolution, http://viralzone.expasy.org/all_by_species/4136.html [11.7.2014]Not to be confused with:- genomic reassortment [ IATE:3561133 ]- genomic rearrangement [ IATE:1474160 ].
    recombinaison | recombinaison de l'ADN | recombinaison des gènes | recombinaison génétique
    fr
    Sainmhíniú phénomène conduisant à l'apparition, dans une cellule ou dans un individu, de gènes ou de caractères héréditaires dans une association différente de celle observée chez les cellules ou individus parentaux Tagairt Arrêté du 14 septembre 1990 relatif à la terminologie du génie génétique, http://www.legifrance.gouv.fr/affichTexte.do?cidTexte=LEGITEXT000006076553 [20.8.2014]