A rapid and sensitive method for the detection of mycoplasmas in infected cell cultures using 6-methyl purine

Developments in Biological Standardization
|January 1, 1987
PubMed

Insights

A novel method detects low mycoplasma contamination using 6-methylpurine deoxynucleoside (6MPDR) and pig serum. This technique leverages mycoplasma

Area of Science:

  • Cell biology
  • Microbiology
  • Biochemistry

Background:

  • Mycoplasma contamination is a significant issue in cell cultures.
  • Accurate and rapid detection methods are crucial for research integrity.

Purpose of the Study:

  • To develop a sensitive and reliable method for detecting low levels of mycoplasma contamination.
  • To utilize the enzymatic activity of mycoplasmas for detection.

Main Methods:

  • Utilizing 6-methylpurine deoxynucleoside (6MPDR) as a substrate.
  • Adjusting medium conditions with pig serum to enhance mycoplasma growth.
  • Measuring cell death induced by toxic metabolites.

Main Results:

  • 6MPDR is converted to toxic metabolites by mycoplasma adenosine phosphorylase.
  • Low-level infections (1 mycoplasma per 200,000 cells) are detectable within 7 days.
  • The method demonstrates high sensitivity and reliability.

Conclusions:

  • This method offers a rapid and reliable approach for mycoplasma testing.
  • Untrained personnel can perform these tests effectively.
  • The findings have implications for routine cell culture quality control.

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