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The lytic effect of lysolecithin on acholeplasmas and mycoplasmas. 1977

L V Soltesz, and P A Mårdh

Lysolecithin exhibits a lytic activity on acholeplasmas and mycoplasmas. The acholeplasmas studied, viz. Acholeplasma laidlawii A and B, were found less susceptible than were the mycoplasmas, viz. Mycoplasma gallisepticum and M. pneumoniae. The sensitivity to lysis was found to differ according to species, growth temperature and number of organisms used. Variations in age of the population and the concentration of bivalent ions in the test medium had but little influence. The greatest lytic activity of lysolecithin was found at the optimal growth temperature and decreased with lowering of the temperature. This lytic activity was inversely proportional to the density of the cell suspensions used. The possible mechanism of the lytic effect of lysolecithin is discussed.

UI MeSH Term Description Entries
D008244 Lysophosphatidylcholines Derivatives of PHOSPHATIDYLCHOLINES obtained by their partial hydrolysis which removes one of the fatty acid moieties. Lysolecithin,Lysolecithins,Lysophosphatidylcholine
D009174 Mycoplasma A genus of gram-negative, mostly facultatively anaerobic bacteria in the family MYCOPLASMATACEAE. The cells are bounded by a PLASMA MEMBRANE and lack a true CELL WALL. Its organisms are pathogens found on the MUCOUS MEMBRANES of humans, ANIMALS, and BIRDS. Eperythrozoon,Haemobartonella,Mycoplasma putrefaciens,PPLO,Pleuropneumonia-Like Organisms,Pleuropneumonia Like Organisms
D002784 Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. Epicholesterol
D000128 Acholeplasma laidlawii An organism originally isolated from sewage, manure, humus, and soil, but recently found as a parasite in mammals and birds. Mycoplasma laidlawii
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures

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