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J Bacteriol. 1973 March; 113(3): 1223-1227
Copyright © 1973 American Society for Microbiology. All Rights Reserved.

Microcinematographic Studies of Mycoplasma hominis Cells

Institute for Medical Microbiology, University of Mainz, D-65 Mainz, Germany, and Institute for Scientific Film, D-34 Göttingen, Germany

ABSTRACT

Cells of two strains of Mycoplasma hominis growing in liquid medium on a glass surface were observed continuously, and cinematographic pictures were taken. Most of the observed structures showed reversible changes of their shape, suggesting the presence of contractile material in membrane or cytoplasma. The frequency and speed of such variations were measured. The deformations seem to be related to multiplication. The mechanisms of these phenomena are unknown.