Fig. 6From: Microdissection of the Ah01 chromosome in upland cotton and microcloning of resistance gene anologs from the single chromosomeAgarose gel electrophoresis (a) and Southern blotting (b) of P1/P2 primer PCR products. A-1, B-1: Negative controls. A-2, B-2: Single Ah01 chromosome as DNA template. A-3, B-3: Positive controls using 10Â pg G. hirsutum genomic DNA as template. B-4: EcoRI digested genomic DNA of G. hirsutum. M: DNA markerBack to article page