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Transformants of A. flavus 3357 with pBC-phleo. Twice as many colonies were observed when transformants were plated on MLS plus 50 μg/ml of phleomycin (left 2 plates) versus 100 μg/ml of phleomycin (right 2 plates). The two plates lacking growth of the fungus are negative controls for untransformed A. flavus 3357 under the selection of phleomycin at 50 μg/ml (left) or 100 μg/ml (right).
