Single cell stable isotope probing in microbiology using Raman microspectroscopy.

Area of Science:

• Microbiology
• Ecology
• Spectroscopy

Background:

• Microbial communities are vital for ecosystem functions and eukaryotic interactions.
• A thorough understanding of microbial community dynamics is essential for researchers in various fields.

Purpose of the Study:

• To provide an update on Stable Isotope Probing (SIP) approaches for Raman spectroscopy.
• To demonstrate the integration of single cell Raman SIP with omics-based analyses for microbial community investigation.

Main Methods:

• Single cell Raman microspectroscopy for label-free, non-destructive biochemical fingerprinting.
• Stable Isotope Probing (SIP) combined with Raman spectroscopy to determine single cell functions.
• Integration of single cell Raman SIP with omics-centric analysis pipelines.

Main Results:

• Single cell Raman spectroscopy enables the acquisition of biochemical fingerprints from individual microbial cells.
• Combining SIP with Raman spectroscopy directly reveals the functions of single microorganisms in situ.
• The integration allows for comprehensive investigation of microbial communities.

Conclusions:

• Single cell Raman SIP is a powerful technique for elucidating microbial functions at the single-cell level.
• This integrated approach advances the study of complex microbial ecosystems.
• It provides a foundation for future microbiome research and applied microbiology.