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Screening of putative transformants of cotton for the presence of nptII gene. Lane M, 1 kb ladder; Lane 1–2, At-NPR1 cotton transgenic samples; Lane 3, negative control of wild type G. hirsutum cv LRK-516; Lane 4, positive control of pBinAR-At-NPR1 plasmid sample; and Lane 5, PCR negative control.
