Transformation of Claviceps purpurea using a bleomycin resistance gene
1989
Engelenburg, F. van | Smit, R. | Goosen, T. | Broek, H. van den | Tudzynski, P.
To develop a DNA-mediated transformation system for Claviceps purpurea a vector was constructed using a bleomycin-resistance gene (bleoR) fused in frame to the Aspergillus nidulans trp C promoter as a dominant selection marker. The construct was shown to be functional in Aspergillus nidulans and Aspergillus niger and used to transform a wild strain of Claviceps purpurea. Transformants were obtained at low frequencies; they were shown to contain transforming DNA integrated into the chromosomal DNA, probably in multimeric copies and at multiple sites. Combined Southern, Northern and resistance level analysis indicate that the A. nidulans promoter is functional in C. purpurea.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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