Effect of divalent cations on permeabilizer-induced lysozyme lysis of Pseudomonas aeruginosa.


The presence of divalent (Mg2+) ions greatly reduced the lysis of Pseudomonas aeruginosa strain G48 in a system at pH 7.8 or 9.0 consisting of ethylenediamine tetraacetic acid (EDTA), lysozyme and tris. Similar reductions in lysis occurred when EDTA was replaced by nitrilotriacetic acid, sodium citrate or sodium polyphosphate. The effect depended on the… (More)


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