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TLC of cyclic β-1,2-glucans formed by B. abortus strains. Total cellular glucans of B. abortus strains were extracted and subjected to TLC as described in Materials and Methods. B. abortus S19 (lanes 1 to 3): lane 1, wild type; lane 2, Cgm19; lane 3, Cgm19(pBB4cgm). B. abortus 2308 (lanes 4 to 6): lane 4, wild-type; lane 5, Cgm08; lane 6, Cgm08(pBB4cgm).
