Highly efficient gene targeting in the Aspergillus niger kusA mutant.

Abstract excerpt

Gene targeting frequencies in Aspergillus niger are often very low and hamper efficient functional genomics in this biotechnologically important fungus. Deletion of the A. niger kusA gene encoding the ortholog of the Ku70 protein in other eukaryotes, dramatically improved homologous integration efficiency and reached more than 80% compared to 7% in the wild-type background, when 500bp homologous flanks were used....

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