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Changes in cell wall composition of N. brasiliensis P-200. (Left) Suspension of P-0 in chloroform-methanol. The bacterial cell mass stayed in the bottom of the tube. (Middle) Suspension of P-200 in the same solvent mix. In this case, the bacterial mass was located between both solvents. (Right) TLC analysis of chloroform-methanol extracts of P-0 (lane 1) and P-200 (lane 2).
