Drosophila recombination-associated protein and methods for use

   
   

The invention encompasses Drosophila Recombination Associated Protein (DRAP) isolated from D. melanogaster and a nucleic acid sequence encoding DRAP. The Drosophila Recombination Associated Protein, its homologues from other organisms or active peptides derived therefrom, as well as DNA encoding such protein are useful for homology-dependent pairing of three DNA strands. The combination of strand-transfer and topoisomerase activities associated with DRAP permits directed pairing and cleavage at defined site(s) within DNA. This in turn makes possible the isolation and/or removal of a defined segment of DNA. DRAP is also useful in cloning, genomic cloning and gene mapping, in promoting gene disruptions or "knockout" mutations, in carrying out targeted mutagenesis of specific genes and in generating transgenic animals. The invention further encompasses a method for experimental and therapeutic application of DRAP driven knockouts or other modifications of genes responsible for genetic diseases as well as the use of DRAP driven genetic manipulation of genes in gene therapy.

A invenção abrange a proteína associada recombination da drosófila (DRAP) isolada do melanogaster do D. e de uma seqüência do ácido nucleic que codifica DRAP. A proteína associada recombination da drosófila, seus homologues de outros organismos ou os peptides ativos derivados therefrom, assim como o DNA que codifica tal proteína são úteis para emparelhar-se homology-dependente de três costas do DNA. A combinação de costa-transfere e as atividades do topoisomerase associadas com o DRAP permitem emparelhar-se e cleavage dirigidos no site(s) definido dentro do DNA. Isto faz por sua vez possível a isolação e/ou a remoção de um segmento definido do DNA. DRAP é também útil no cloning, no cloning genomic e no gene traçando, em promover rompimentos do gene ou mutations do "knockout", no mutagenesis alvejado realizando-se de genes específicos e em gerar animais transgenic. A invenção mais adicional abrange um método para a aplicação experimental e therapeutic de knockouts dirigidos DRAP ou de outras modificações dos genes responsáveis para doenças genetic as.well.as o uso da manipulação genetic dirigida DRAP dos genes na terapia do gene.

 
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