The final Communication III deals with the pleiotropicaction of the phosphotransferase system (PTS) focusing on the below issues related with the bacterial cell: PTS and the nitrous metabolism regulation, virulence, chemotaxis and sporulation. The factor of protein Mlc within the regulation of PTS itself, i.e. of permease PtsG and of system's general components, is described separately. Therefore, all practically valuable PTS functions involved in the vital activity of both gram-positive and gram-negative bacteria are elucidated; they are depicted in a generalized diagram, Fig. 2, Communication 1.
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