1. Bhakdi S., Tranum-Jensen J.: Membrane damage by pore – forming bacterial cytolysins. Microb. Pathog., 1986, 1:5-14. 2. Bielecki J.: Molekularne podstawy mechanizmów patogenezy Listeria monocytogenes. Postępy Mikrob.,1994, XXXIII, 1:85-104. 3. Chakraborty T. et al.: Molecular analysis of bacterial cytolysins. Inf. Dis. 9, 1987, suppl. 5:456-466. 4. Flamm R.K.: Cloning of the gene encoding a major secreted polypeptide of Listeria monocytogenes and its potential use as a species – specific probe. Appl. Env. Microbiol., 1989, 55:2251-2256. 5. Freitag N.E. et al.: Regulation of the prfA transcriptional activator of Listeria monocytogenes: multiple promoter elements contribute to intracellular growth and cell-to-cell spread. Infect. Immun., 1993, 61:2537-2544. 6. Freitag N.E. et al.: Dual promoters of Listeria monocytogenes prfA transcriptional activator appear essential in vitro but are redundant in vivo. Mol. Microbiol., 1994, 12:845-853. 7. Goldfine H., Knob Ch.: 1992. Purification and characterization of Listeria monocytogenes phosphatidylinositol-specific phospholipase C. Infect. Immun., 1992, 60:4059-4067. 8. Kuhn M., Goebel W.: Identification of an extracellular protein of Listeria monocytogenes possibly involved in intracelullar uptake in mammalian cells. Infect. Immun., 1989, 57:55-61. 9. Kuhn M., Goebel W.: Molecular studies on the virulence Listeria monocytogenes. Genetic Engineering, 1995, 17:31-51. 10. Smyth C.J., Duncan J.L.: 1978. Bacterial toxins and cell membranes. Academic Press, Inc., New York, 1978, 129. 11. Sun A.N., Camilli D.A.: Portnoy. Isolation of Listeria monocytogenes small – plaque mutants defective for intracelullar growth and cell-to-cell spread. Infect. Immun., 1990, 58:3770-3778.