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Related Concept Videos

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Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
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Barcoded microbial system for high-resolution object provenance.

Jason Qian1,2,3, Zhi-Xiang Lu1,2, Christopher P Mancuso4

  • 1Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.

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Summary
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A new synthetic microbial spore system can determine an object's origin quickly and accurately. This scalable technology offers a secure and efficient method for tracking provenance in various applications.

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Area of Science:

  • Microbiology
  • Biotechnology
  • Molecular Diagnostics

Background:

  • Object provenance determination is crucial for public health, commerce, and food safety.
  • Current methods for tracking object origin can be costly, slow, or lack sensitivity.
  • Location-specific microbes present a potential solution for sensitive and cost-effective provenance tracking.

Purpose of the Study:

  • To develop a synthetic, scalable microbial spore system for rapid object provenance determination.
  • To address key challenges in object provenance: environmental persistence, scalability, rapid decoding, and biocontainment.
  • To ensure compatibility with existing molecular detection assays for broad applicability.

Main Methods:

  • Creation of a synthetic, scalable microbial spore system.
  • Introduction and recovery of spores in environmental settings.
  • Utilizing SHERLOCK (Cas13a RNA-guided nucleic acid detection assay) for rapid decoding.

Main Results:

  • The system determines object provenance in under 1 hour with meter-scale resolution.
  • Achieved near single-spore sensitivity.
  • Demonstrated persistence, scalability, rapid decoding, and biocontainment of the microbial system.

Conclusions:

  • The developed synthetic microbial spore system offers a novel, efficient, and sensitive solution for object provenance.
  • The system's compatibility with SHERLOCK assay enables diverse applications in traceability and safety.
  • This technology has significant implications for enhancing security in supply chains and preventing contamination.