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Related Concept Videos

Lytic Cycle of Bacteriophages01:30

Lytic Cycle of Bacteriophages

Bacteriophages, also known as phages, are specialized viruses that infect bacteria. A key characteristic of phages is their distinctive “head-tail” morphology. A phage begins the infection process (i.e., lytic cycle) by attaching to the outside of a bacterial cell. Attachment is accomplished via proteins in the phage tail that bind to specific receptor proteins on the outer surface of the bacterium. The tail injects the phage’s DNA genome into the bacterial cytoplasm. In the lytic replication...

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Further observations on the mechanism of phage action.

The Journal of general physiology·2010
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Effect of penicillin on the reaction between phage and staphylococci.

Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)·2010
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THE ELECTRICAL CHARGE OF BACTERIOPHAGE.

The Journal of experimental medicine·2009
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THE PREPARATION OF RELATIVELY PURE BACTERIOPHAGE.

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THE PREPARATION OF A GRADED SERIES OF ULTRAFILTERS AND MEASUREMENT OF THEIR PORE SIZES.

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Quantitative PCR of T7 Bacteriophage from Biopanning
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Published on: September 27, 2018

A METHOD FOR THE QUANTITATIVE DETERMINATION OF BACTERIOPHAGE.

A P Krueger1

  • 1Laboratories of The Rockefeller Institute for Medical Research, Princeton, N. J.

The Journal of General Physiology
|October 30, 2009
PubMed
Summary

Researchers found a quantitative link between bacteriophage concentration and the time needed to reduce bacteria. This discovery enables precise bacteriophage quantification with 5% accuracy.

Area of Science:

  • Microbiology
  • Virology

Background:

  • Bacteriophages are viruses that infect bacteria.
  • Accurate quantification of bacteriophages is crucial for various applications, including phage therapy and diagnostics.

Purpose of the Study:

  • To establish a quantitative relationship between bacteriophage concentration and bacterial reduction time.
  • To develop a method for the accurate estimation of bacteriophage.

Main Methods:

  • Studied staphylococcus and antistaphylococcus phages.
  • Maintained constant total reaction volume.
  • Measured time to reach an arbitrary turbidity end-point for a specific bacterial concentration.

Main Results:

  • A definite quantitative relationship was identified between phage concentration (C(Phage)) and the time required for bacterial reduction.

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  • This relationship allows for the quantitative estimation of bacteriophage.
  • Conclusions:

    • The established relationship provides a reliable basis for bacteriophage quantification.
    • The developed method offers an accuracy of within +/-5% for bacteriophage estimation.