2012 Volume 76 Issue 11 Pages 2146-2149
Efficiency of gene targeting was increased more than 10-fold when an excess molar ratio of non-homologous fragments was added in the transformation of Aspergillus nidulans. In the targeted transformants, integration of such fragments into the host chromosome was a rare event. Hence, our approach proved practical in terms of producing successful targeting events without disturbing the host chromosomes.
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