Characterization of Escherichia coli lysis using a family of chimeric E- L genes

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Abstract

Gene E-L, a chimeric lysis construct from bacteriophages ΦX174 and MS2 lysis proteins E and L, respectively, was subjected to internal deletions to create a series of new E-L clones with altered lysis or killing properties. The lytic activities of the parental genes E, L, E-L and the internal truncated forms of E-L were investigated in this study to characterize the different lysis mechanisms, based on differences in the architecture of the different membrane spanning domains. Electron microscopy and release of marker enzymes for the cytoplasmic and periplasmic spaces revealed that two different lysis mechanisms can be distinguished depending on penetrating of the proteins either the inner membrane or the inner and outer membranes of Escherichia coli. Several candidates, which share efficient lysis properties, have biotechnological applications in terms of cell disruption.

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Witte, A., Reisinger, G. R., Säckl, W., Wanner, G., & Lubitz, W. (1998). Characterization of Escherichia coli lysis using a family of chimeric E- L genes. FEMS Microbiology Letters, 164(1), 159–167. https://doi.org/10.1016/S0378-1097(98)00211-0

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