Fluorescent DNA chemosensors: identification of bacterial species by their volatile metabolites

Chem Commun (Camb). 2011 Nov 7;47(41):11435-7. doi: 10.1039/c1cc14871k. Epub 2011 Sep 21.

Abstract

Polyfluorophores built on a DNA scaffold (ODFs) were synthesized and tested for fluorescence responses to the volatiles from M. tuberculosis, E. coli and P. putida in closed Petri dishes. Two sensors in a pattern-based response could distinguish the bacterial strains accurately, suggesting the use of ODFs in rapid identification of infectious agents.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacterial Typing Techniques / methods*
  • DNA, Bacterial / chemistry*
  • Escherichia coli / classification
  • Escherichia coli / genetics
  • Escherichia coli / metabolism
  • Fluorescent Dyes / chemistry*
  • Molecular Typing / methods
  • Mycobacterium tuberculosis / classification
  • Mycobacterium tuberculosis / genetics
  • Mycobacterium tuberculosis / metabolism
  • Pseudomonas putida / classification
  • Pseudomonas putida / genetics
  • Pseudomonas putida / metabolism
  • Volatilization

Substances

  • DNA, Bacterial
  • Fluorescent Dyes