Arabidopsis thaliana mutants altered in homologous recombination

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Arabidopsis thaliana mutants altered in homologous recombination.

Homologous recombination contributes both to the generation of allelic diversity and to the preservation of genetic information. In plants, a lack of suitable experimental material has prevented studies of the regulatory and enzymatic aspects of recombination in somatic and meiotic cells. We have isolated nine Arabidopsis thaliana mutants hypersensitive to x-ray irradiation (xrs) and examined t...

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The INO80 protein controls homologous recombination in Arabidopsis thaliana.

Homologous recombination (HR) serves a dual role in providing genetic flexibility and in maintaining genome integrity. Little is known about the regulation of HR and other repair pathways in the context of chromatin. We report on a mutant affected in the expression of the Arabidopsis INO80 ortholog of the SWI/SNF ATPase family, which shows a reduction of the HR frequency to 15% of that in wild-...

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Recombination analysis in Arabidopsis Thaliana

Genetic recombination is the process by which a double-stranded DNA molecule breaks and joins with another. Chromosomal crossover, for example, is a recombination event where a pair of homologous parental chromosomes exchange their DNA to form a new organism. Although recombination events can occur at any region across the genome, it has been shown that there are narrow regions (often about 1-2...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 1997

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.94.21.11731