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Functional complementation of an ucu2 mutation. Wild-type phenotype of ucu2-3/ucu2-3;35S:At3g21640:ocs transgenic plants (A). B, PCR amplification products obtained using primers flanking the At3g21640 transcription unit and DNA extracted from: lane 2, Ler; lane 7, ucu2-3/ucu2-3; and lanes 3 to 6, ucu2-3/ucu2-3;35S:At3g21640:ocs transgenic plants. C, ucu2-4/ucu2-4 mutant plant. Pictures were taken 23 d after sowing. Scale bars = 4 (A) and 2 (C) mm.
