In the present research, we examined the effects of
temperature on cytoplasmic membrane polarization values
of selected Gram-positive and Gram-negative bacteria as
there is a paucity of information on these values from
bacterial species. Moreover, an increasing temperature is
an excellent physical fluidizing agent for bacterial cytoplasmic
membranes. Therefore, membrane polarization values
were obtained over a temperature range from 10 to 50jC. In
addition, the polarization values were obtained from several
bacterial species grown in the presence of 1 Ag/ml tetracycline
(protein synthesis inhibitor) as bacteria are frequently
challenged by this antibiotic as well as many other antimicrobial
compounds.