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Agarose gel showing the PCR products obtained by amplification of the ITS regions with the six Leptolyngbya strains. One principal band was obtained for all the strains. Lanes: 1, VRUC184; 2, VRUC192; 3, VRUC201; 4, VRUC135; 5, VRUC198; 6, VRUC206; M, 1-kb molecular size ladder.
