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A study was made of ultrathin sections of the stable l-forms of listeria obtained under the action of penicillin in meat-peptone-liver broth. A marked cellular polymorphism was found in the L-form culture: within the same colony cells differed in size, shape and fine structure. It is supposed that polymorphism could be partially explained by a different plasticity and premeability of cytoplasmic membrane in different types of cells of the same L-colony. The three-layer structure of the membrane does not always display the same distinctness in various L-colony cells and also in different areas of the cell surface. Structureless material of low electron density, possibly a defective murein or its precursor, was revealed on the membrane surface. Electrondense inclusion bodies, mesosomes of ring-shaped or more complicated structure and two-contour vesicles were found in the cytoplasm. The cells multiplied by budding, by binary and anomalies division participation of mesosomes in this process was not proved by the L-forms.
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
January 1972,
Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Erste Abteilung Originale. Reihe A: Medizinische Mikrobiologie und Parasitologie,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
July 1968,
Zhurnal mikrobiologii, epidemiologii i immunobiologii,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
May 1957,
Ceskoslovenska epidemiologie, mikrobiologie, imunologie,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
January 1977,
Comptes rendus des seances de la Societe de biologie et de ses filiales,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
June 1997,
Zentralblatt fur Bakteriologie : international journal of medical microbiology,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
August 1968,
Journal of bacteriology,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
November 1967,
Applied microbiology,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
January 1985,
Acta microbiologica Hungarica,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
April 1968,
The Journal of infectious diseases,
N D Konstantinova, and
L N Kats, and
G A Kotliarova, and
I I Fedotova
March 1997,
International journal of food microbiology,
