... biodegradation(Kretschmer et al. 1982,; Neu 1996,; Bruheim et al. 1999,;Rocha et al. 1999,; Rocha et al. 2000,). However, this typeof amphipathic molecules can also render inhibitory andneutral effects ... spherical structureswere similar to those reported previously for Rhodococcusopacus, Acinetobacter calcoaceticus and Mycobaterium(Alvarez et al. 1996,; Mar in et al. 1996,, Solano-Serena et al. ... membranes (Garnier et al. 2000,) and cell appendages(Scott and Finnerty 1976,; Kretschmer and Wagner1982,; Takeda et al. 1991,; Whyte et al. 1999,; Wolfaardt et al. 1994,; Marin et al. 1996) have...