“…bacteria [24]. Recently, under usual physiological conditions, the formation of mesosomes and the transverse septum were found in the dividing cells of Neisseria gonorrhocae [11], N. meningitidis [4], Chondrococcus [19], Asticcacaulis [20], Chlorobium [5],Veil/one/la [2], Fusobacterium polymorphum [26], and marine Achromobacter [30,31]. In E. coli no mesosomes but transverse septum was found [7].…”