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AFLP pattern of Meloidogyne hapla strains. A) Portion of an AFLP gel showing patterns obtained with primers E+AT and M+GA. The numbers indicate the size in base pairs of polymorphic fragments. Strains are indicated at the top of the lanes. B) Sequence alignment of E+AT/M+GA-258 and E+AT/M+GA-243 shows that these sequences differ by number of tandem copies of a 15-nt sequence. Tandem repeat region is highlighted in bold.
