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Isothermal amplification technology (IAT) for rapid diagnosis of Rickettsioses: scope, overview, existing evidence,

Rashi Dixit1, Natarajan Gopalan1, Sujit Kumar Behera1

  • 1Department of Epidemiology and Public Health, School of Life Sciences, Central University of Tamil Nadu, Thiruvarur, Tamil Nadu, India.

Diagnostic Microbiology and Infectious Disease
|August 25, 2023
PubMed

Insights

Rickettsioses, zoonotic diseases, present diagnostic challenges. Isothermal amplification technologies offer rapid, cost-effective, point-of-care detection for Rickettsia and Orientia pathogens.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Molecular Diagnostics

Background:

  • Rickettsioses are zoonotic diseases caused by Rickettsia and Orientia, posing significant global public health concerns.
  • Diseases like typhus and spotted fevers have distinct geographical distributions, complicating diagnosis.
  • Acute undifferentiated febrile illness presentation makes Rickettsioses diagnosis challenging.

Approach:

  • This review explores advancements in isothermal amplification technologies for detecting Rickettsia and Orientia.
  • Isothermal amplification offers fidelity, rapidity, and cost-effectiveness compared to traditional methods.
  • These technologies are adaptable for point-of-care (PoC) diagnostics.

Key Points:

  • Isothermal amplification assays show high efficiency in diagnosing vector-borne diseases.
  • Successful application in detecting dengue, malaria, and chikungunya demonstrates potential.
  • Focus on Rickettsia and Orientia detection highlights a critical diagnostic gap.

Conclusions:

  • Isothermal amplification technologies present a promising avenue for Rickettsioses diagnosis.
  • Future prospects include enhanced scope and overcoming current challenges in pathogen detection.
  • The review provides insights into the current state and future directions of these diagnostic tools.
Keywords:
Isothermal amplificationIsothermal amplification technologyOrientiaRickettsiaRickettsia diagnosisRickettsioses

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