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HisB as novel selection marker for gene targeting approaches in Aspergillus niger.

BMC Microbiol 2017 03 8;17(1):57. Epub 2017 Mar 8.

Institute of Biotechnology, Department of Applied and Molecular Microbiology, Technische Universit├Ąt Berlin, Gustav-Meyer-Allee 25, 13355, Berlin, Germany.

Background: For Aspergillus niger, a broad set of auxotrophic and dominant resistance markers is available. However, only few offer targeted modification of a gene of interest into or at a genomic locus of choice, which hampers functional genomics studies. We thus aimed to extend the available set by generating a histidine auxotrophic strain with a characterized hisB locus for targeted gene integration and deletion in A. Read More

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