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RAPD typing in microbiology--a technical review

E G Power1

  • 1Department of Microbiology, UMDS, London, UK.

The Journal of Hospital Infection
|December 1, 1996
PubMed
Summary

Randomly amplified polymorphic DNA (RAPD) typing, a DNA amplification method, is increasingly used for bacterial identification, especially in clinical settings. This technique offers advantages over traditional methods but requires careful consideration of potential challenges and solutions.

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Area of Science:

  • Microbiology
  • Molecular Biology
  • Genetics

Background:

  • Traditional bacterial typing relies on phenotypic characteristics like serotyping.
  • DNA-based methods are emerging as powerful alternatives for bacterial identification.
  • Polymerase chain reaction (PCR) has revolutionized DNA amplification techniques.

Purpose of the Study:

  • To discuss the application of Randomly Amplified Polymorphic DNA (RAPD) typing for bacterial identification.
  • To address the potential problems and solutions associated with RAPD typing.
  • To evaluate the role of RAPD typing within the landscape of established bacterial identification methods.

Main Methods:

  • Utilizes DNA amplification via Polymerase Chain Reaction (PCR).
  • Employs Randomly Amplified Polymorphic DNA (RAPD) markers for differentiation.
  • Compares RAPD typing with traditional phenotypic and other DNA-based methods.

Main Results:

  • RAPD typing is increasingly adopted for microbial identification, particularly in clinical outbreak investigations.
  • The technique offers a molecular approach to distinguish bacterial isolates.
  • Potential challenges exist, but solutions can be implemented for reliable application.

Conclusions:

  • RAPD typing is a valuable DNA-based technique for bacterial differentiation.
  • Understanding and mitigating potential issues are crucial for its effective use.
  • RAPD typing complements and, in some cases, surpasses traditional typing methods.

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