Transformation of Aspergillus oryzae with a dominant selectable marker
Aspergillus oryzae strain U1638 has been transformed to phleomycin resistance using a phleomycin based vector. Protoplasts were generated using Novozyme 234 and regenerated on sucrose-stabilized minimal medium containing 200 μg ml-1phleomycin. A frequency of 3 to 7 transformants per 106viable protop...
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| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Article |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://repository.li.mahidol.ac.th/handle/123456789/22005 |
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| Institution: | Mahidol University |
| Summary: | Aspergillus oryzae strain U1638 has been transformed to phleomycin resistance using a phleomycin based vector. Protoplasts were generated using Novozyme 234 and regenerated on sucrose-stabilized minimal medium containing 200 μg ml-1phleomycin. A frequency of 3 to 7 transformants per 106viable protoplasts was obtained. All transformants tested showed increased resistance to phleomycin when subcultured onto selective medium and the mitotic stability of the transformants was 100% after growth without selective pressure. The vector sequences appeared to be integrated into the A. oryzae U1638 genome at multiple sites. © 1991. |
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