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Fluorogenic and chromogenic substrates used in bacterial diagnostics.

M Manafi1, W Kneifel, S Bascomb

  • 1Hygiene Institute, University of Vienna, Austria.

Microbiological Reviews
|September 1, 1991
PubMed
Summary
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Chromogenic and fluorogenic substrates offer rapid bacterial enzyme detection for identification. This review surveys methods for microbial differentiation, focusing on Escherichia coli in routine analysis.

Area of Science:

  • Microbiology
  • Enzymology

Background:

  • Bacterial enzymatic activities are crucial for microbial identification and differentiation.
  • Chromogenic and fluorogenic substrates provide specific and rapid detection methods.

Purpose of the Study:

  • To survey microbial enzymes used in microbiological identification and differentiation.
  • To review corresponding detection methods, with emphasis on Escherichia coli.

Main Methods:

  • Application of chromogenic and fluorogenic substrates.
  • Examination of enzymatic reactions on isolation plates or in cell suspensions.
  • Utilizing various testing principles and commercial test kits.

Main Results:

  • Successful introduction of diverse testing principles and kits in clinical and food microbiology.

Related Experiment Videos

  • Demonstration of simultaneous or individual examination of enzymatic reactions.
  • Detailed description of techniques for routine analysis of Escherichia coli.

    • Conclusions:

    • Chromogenic and fluorogenic substrate methods are effective for rapid bacterial enzyme detection.
    • These techniques facilitate both individual and simultaneous analysis of enzymatic activities.
    • The reviewed methods are valuable for routine microbiological identification and differentiation, particularly for Escherichia coli.