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Fig. 6. Analysis of endotoxin content in recombinant strains of Bacillus thuringiensis. M, molecular mass marker; lane 1, B. thuringiensis subsp. israelensis 4Q7 producing Bs binary toxin and Cyt1A (4Q7/p45S1); lane 2, B. thuringiensis subsp. israelensis 4Q7 producing Cry11B (4Q7/pPFT11Bs-CRP); lane 3, B. thuringiensis subsp. israelensis 4Q7 producing Cry11B, Cyt1A and Bs binary toxin (4Q7/p45S1-11B).