In Vivo Microbial Antigen Discovery (InMAD) to identify diagnostic proteins and polysaccharides that are circulating

Sindy J Chaves1, Kathleen Schegg, Thomas R Kozel

  • 1Department of Microbiology and Immunology, University of Nevada, Reno, NV, USA.

Insights

Developing new diagnostic tests for infections is challenging. A new method, In vivo Microbial Antigen Discovery (InMAD), identifies microbial antigens for improved point-of-care diagnostic assays.

Area of Science:

  • Microbiology
  • Immunology
  • Diagnostic Development

Background:

  • Point-of-care (POC) immunoassays are crucial for diagnosing acute infections.
  • Current POC diagnostics often target microbial antigens shed during infection.
  • Identifying optimal target antigens is a major challenge in developing new diagnostic assays.

Purpose of the Study:

  • To introduce a novel technique for identifying microbial antigens suitable for diagnostic targeting.
  • To address the challenge of selecting the most effective antigens for immunoassay development.

Main Methods:

  • The study describes a new technique named "In vivo Microbial Antigen Discovery" (InMAD).
  • This method focuses on identifying microbial antigens relevant for infectious disease diagnosis.

Main Results:

  • The InMAD technique provides a systematic approach to antigen discovery.
  • This facilitates the development of targeted diagnostic tools.

Conclusions:

  • The InMAD technique offers a novel solution for identifying microbial antigens.
  • This advancement can improve the development of point-of-care immunoassays for infectious diseases.

Related Concept Videos

Automated Microbial Diagnostics01:24

Automated Microbial Diagnostics

Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
MALDI-TOF Mass Spectrometry01:19

MALDI-TOF Mass Spectrometry

Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...
Microbial Biosensors01:17

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...