Abstract
Here, we report the construction of two transformation vectors, pD-NAT1 and pG-NAT1, carrying the nat1 gene encoding the nourseothricin acetyltransferase. The nat1 gene is expressed under the control of the Aspergillus nidulans trpC promoter and thus can be used as a dominant drug-resistance marker for the DNA-mediated transformation of filamentous fungi. The successful application of both vectors was demonstrated by transforming the homothallic ascomycete Sordaria macrospora as well as the β-lactam producerAcremonium chrysogenum. For both fungi and for both vectors, transformation frequencies were between 10 and 40 transformants per 10 µg of plasmid DNA.
How to Cite:
Kück, U. & Hoff, B., (2006) “Application of the nourseothricin acetyltransferase gene (nat1) as dominant marker for the transformation of filamentous fungi”, Fungal Genetics Reports 53(1), 9-11. doi: https://doi.org/10.4148/1941-4765.1106
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