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L FORMS ISOLATED FROM A STRAIN OF SERRATIA.

B M BANDUR, L DIENES

    Journal of Bacteriology
    |October 1, 1963
    PubMed
    Summary
    This summary is machine-generated.

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    Serratia L-forms exhibit two colony types, S-1 and S-2, influenced by environmental factors. The study reveals that large bodies directly multiply, forming granules, a basic reproductive process in L-forms.

    Area of Science:

    • Microbiology
    • Cell Biology

    Background:

    • L-forms are bacterial variants lacking cell walls.
    • Pleuropneumonia-like organisms share similar reproductive characteristics with L-forms.

    Purpose of the Study:

    • To investigate the morphology and reproductive processes of L-forms isolated from Serratia.
    • To determine the factors influencing colony type development in Serratia L-cultures.

    Main Methods:

    • Isolation of L-forms from a Serratia strain.
    • Cultivation and observation of two distinct colony types (S-1 and S-2).
    • Microscopic examination of reproductive processes and cell morphology.

    Main Results:

    • Two colony types observed: S-1 (typical L-colonies) and S-2 (resembling bacterial colonies).
    Keywords:
    CULTURE MEDIAEXPERIMENTAL LAB STUDYSERRATIA

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  • S-2 colonies primarily composed of large bodies undergoing multiplication via enlargement, deformation, and segmentation.
  • Identified granular multiplication within aggregates, enclosed by an envelope, as a fundamental reproductive mechanism.

    • Conclusions:

    • Colony morphology in Serratia L-forms is environmentally determined.
    • Large bodies are capable of direct multiplication, contributing to the observed growth patterns.
    • The basic reproductive process involves granular multiplication, consistent with other L-forms and pleuropneumonia-like organisms.