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  • Title: Cell wall characteristics of Pseudomonas aeruginosa and its carbenicillin-induced L-form.
    Author: White CJ, Horsman MR, Rowe PS, Howells KF.
    Journal: Acta Biol Acad Sci Hung; 1978; 29(1):67-74. PubMed ID: 112813.
    Abstract:
    L-forms of Pseudomonas aeruginosa were induced and cultured on a medium supplemented with carbenicillin. Morphological studies of the passaged variant revealed the presence of a triple-layered cell wall similar to that found in the parent species. Furthermore, the L-form was found to be more susceptible to gentamicin, kanamycin, tetracycline and colistin sulphate. Chemical analysis of the lipopolysaccharide fraction showed a difference in phosphorus content, and changes in cell wall envelope fatty acid content were also exhibited. It is suggested that these differences may influence the transport of certain antibiotics through the cell wall.
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