Mutational Analysis of the Drosophila DNA Repair and Recombination Gene mei-9
نویسندگان
چکیده
منابع مشابه
Mutational analysis of the Drosophila DNA repair and recombination gene mei-9.
Drosophila mei-9 is essential for several DNA repair and recombination pathways, including nucleotide excision repair (NER), interstrand crosslink repair, and meiotic recombination. To better understand the role of MEI-9 in these processes, we characterized 10 unique mutant alleles of mei-9. These include a P-element insertion that disrupts repair functions but not the meiotic function; three n...
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Meiotic recombination gives rise to crossovers, which are required in most organisms for the faithful segregation of homologous chromosomes during meiotic cell division. Characterization of crossover-defective mutants has contributed much to our understanding of the molecular mechanism of crossover formation. We report here a molecular analysis of recombination in a Drosophila melanogaster cros...
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Simple meiotic gene conversion tracts produced in wild-type females were compared with those from two meiotic mutants, mei-9 and mei-218. The positions and lengths of conversion tracts were determined by denaturing gradient gels and DNA sequencing. Conversion tracts in wild type averaged 885 base pairs in length, were continuous, and displayed no obvious hot spots of initiation. Some unusual co...
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ژورنال
عنوان ژورنال: Genetics
سال: 2004
ISSN: 1943-2631
DOI: 10.1534/genetics.167.1.263