DOI: 10.1128/jb.104.2.948-965.1970. Structural Properties and Features of Parasitic <i>Bdellovibrio bacteriovorus</i>

Structural Properties and Features of Parasitic Bdellovibrio bacteriovorus

10.1128/jb.104.2.948-965.1970

Crossref journal-article

American Society for Microbiology

Journal of Bacteriology (235)

Abstract

The structure of five parasitic strains of Bdellovibrio bacteriovorus was studied by electron microscope after negative staining and in shadow-case and etched freeze-fractured preparations. Special attention was paid to the cell wall and the flagellar sheath which is continuous with the wall or part of it. These structural components reveal distinct features which are induced by certain staining substances; they are exceedingly susceptible to disruption by physical treatments, and in old cells often appear impaired. In freeze-fractured cells the wall shows characteristic fracturing tendencies not known in other microorganisms. These structural properties and features are distinct to Bdellovibrio wall and flagellar sheath, the structural integrity of which is a fundamental requirement for the infectivity and survival of this organism. The anterior end of Bdellovibrio is differentiated: 6 to 12 ring-like structures (9 to 12 nm, outer diameter) are built into its wall and several fibers (7 to 10 nm wide, up to 1.5 μm long) emerge from it. Intracellular structures, which are revealed as compact oval bodies bulging from the cell border and have internal laminated organization, are characteristic of Bdellovibrio after negative staining with certain compounds. These findings on the structure of parasitic Bdellovibrio substantiate previous observations indicating the uniqueness of this organism and add criteria for the identification of this genus.

Bibliography

Abram, D., & Davis, B. K. (1970). Structural Properties and Features of Parasitic Bdellovibrio bacteriovorus. Journal of Bacteriology, 104(2), 948â965.

Authors 2

Dinah Abram (first)
Bridgett K. Davis (additional)

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Dates

Type	When
Created	5 years, 7 months ago (Jan. 3, 2020, 8:36 a.m.)
Deposited	4 years ago (July 29, 2021, 12:57 p.m.)
Indexed	1 year, 6 months ago (Feb. 15, 2024, 9:51 a.m.)
Issued	54 years, 9 months ago (Nov. 1, 1970)
Published	54 years, 9 months ago (Nov. 1, 1970)
Published Print	54 years, 9 months ago (Nov. 1, 1970)

Funders 0

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BibTeX

@article{Abram_1970, title={Structural Properties and Features of Parasitic Bdellovibrio bacteriovorus}, volume={104}, ISSN={1098-5530}, url={http://dx.doi.org/10.1128/jb.104.2.948-965.1970}, DOI={10.1128/jb.104.2.948-965.1970}, number={2}, journal={Journal of Bacteriology}, publisher={American Society for Microbiology}, author={Abram, Dinah and Davis, Bridgett K.}, year={1970}, month=nov, pages={948–965} }

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