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Title: Vibrational spectroscopy for imaging single microbial cells in complex biological samples

Journal Article · · Frontiers in Microbiology
 [1];  [2]
  1. Univ. of Vienna, Vienna (Austria); University of Vienna, Austria
  2. Univ. of Vienna, Vienna (Austria)

Here, vibrational spectroscopy is increasingly used for the rapid and non-destructive imaging of environmental and medical samples. Both Raman and Fourier-transform infrared (FT-IR) imaging have been applied to obtain detailed information on the chemical composition of biological materials, ranging from single microbial cells to tissues. Due to its compatibility with methods such as stable isotope labeling for the monitoring of cellular activities, vibrational spectroscopy also holds considerable power as a tool in microbial ecology. Chemical imaging of undisturbed biological systems (such as live cells in their native habitats) presents unique challenges due to the physical and chemical complexity of the samples, potential for spectral interference, and frequent need for real-time measurements. This Mini Review provides a critical synthesis of recent applications of Raman and FT-IR spectroscopy for characterizing complex biological samples, with a focus on developments in single-cell imaging. We also discuss how new spectroscopic methods could be used to overcome current limitations of singlecell analyses. Given the inherent complementarity of Raman and FT-IR spectroscopic methods, we discuss how combining these approaches could enable us to obtain new insights into biological activities either in situ or under conditions that simulate selected properties of the natural environment.

Research Organization:
Univ. of North Carolina, Chapel Hill, NC (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0013887
OSTI ID:
1367190
Journal Information:
Frontiers in Microbiology, Journal Name: Frontiers in Microbiology Vol. 8; ISSN 1664-302X
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English

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High-speed Raman imaging of cellular processes journal August 2016
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Deciphering single cell metabolism by coherent Raman scattering microscopy journal August 2016
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Deeper Understanding of Biological Tissue: Quantitative Correlation of MALDI-TOF and Raman Imaging journal October 2013
Label-Free Imaging and Spectroscopic Analysis of Intracellular Bacterial Infections journal January 2015
Analysis of Bacteria on Steel Surfaces Using Reflectance Micro-Fourier Transform Infrared Spectroscopy journal August 2009
Real-Time Chemical Imaging of Bacterial Activity in Biofilms Using Open-Channel Microfluidics and Synchrotron FTIR Spectromicroscopy journal October 2009
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Open-Channel Microfluidic Membrane Device for Long-Term FT-IR Spectromicroscopy of Live Adherent Cells journal April 2015
Combining Raman and FT-IR Spectroscopy with Quantitative Isotopic Labeling for Differentiation of E. coli Cells at Community and Single Cell Levels journal April 2015
Development of Visible-Wavelength MALDI Cell Mass Spectrometry for High-Efficiency Single-Cell Analysis journal November 2016
Nanoscale Chemical Imaging of Bacillus subtilis Spores by Combining Tip-Enhanced Raman Scattering and Advanced Statistical Tools journal November 2014
Micron-scale mapping of sulfur cycling across the oxycline of a cyanobacterial mat: a paired nanoSIMS and CARD-FISH approach journal June 2008
Rapid resonance Raman microspectroscopy to probe carbon dioxide fixation by single cells in microbial communities journal November 2011
Privatization of cooperative benefits stabilizes mutualistic cross-feeding interactions in spatially structured environments journal December 2015
Hyperspectral infrared nanoimaging of organic samples based on Fourier transform infrared nanospectroscopy journal February 2017
High-resolution Fourier-transform infrared chemical imaging with multiple synchrotron beams journal March 2011
Self-organized patchiness facilitates survival in a cooperatively growing Bacillus subtilis population journal March 2016
Chemically sensitive bioimaging with coherent Raman scattering journal April 2015
Rapid discrimination of Enterococcus faecium strains using phenotypic analytical techniques journal January 2016
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Applications of modern micro-Raman spectroscopy for cell analyses journal January 2010
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Raman chemical imaging of the rhizosphere bacterium Pantoea sp. YR343 and its co-culture with Arabidopsis thaliana journal January 2016
Rapid, accurate, and comparative differentiation of clinically and industrially relevant microorganisms via multiple vibrational spectroscopic fingerprinting journal January 2016
Tracking heavy water (D 2 O) incorporation for identifying and sorting active microbial cells journal December 2014
Profiling the metabolic signals involved in chemical communication between microbes using imaging mass spectrometry journal September 2016
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Single Cell Synchrotron FT-IR Microspectroscopy Reveals a Link between Neutral Lipid and Storage Carbohydrate Fluxes in S. cerevisiae journal September 2013
Profiling the metabolic signals involved in chemical communication between microbes using imaging mass spectrometry text January 2016
Microfluidic approaches to synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectral microscopy of living biosystems journal February 2016
MALDI-TOF mass spectrometry: an emerging technology for microbial identification and diagnosis journal August 2015
Single-cell bacterial transcription measurements reveal the importance of dimethylsulfoniopropionate (DMSP) hotspots in ocean sulfur cycling text January 2020

Cited By (8)

Stable-Isotope Probing of Human and Animal Microbiome Function journal December 2018
Isolation of intact bacteria from blood by selective cell lysis in a microfluidic porous silica monolith journal June 2019
Fourier-Transform Infrared Imaging Spectroscopy and Laser Ablation -ICPMS New Vistas for Biochemical Analyses of Ischemic Stroke in Rat Brain journal September 2018
Analysis of basidiomycete pigments in situ by Raman spectroscopy journal March 2018
Isolation of intact bacteria from blood by selective cell lysis in a microfluidic porous silica monolith journal June 2019
Next-generation physiology approaches to study microbiome function at single cell level journal February 2020
Surface-Enhanced Raman Scattering (SERS) in Microbiology: Illumination and Enhancement of the Microbial World journal March 2018
Fourier-Transform Infrared Imaging Spectroscopy and Laser Ablation -ICPMS New Vistas for Biochemical Analyses of Ischemic Stroke in Rat Brain journal September 2018

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