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Related Concept Videos

Proteomics01:33

Proteomics

9.3K
A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
9.3K
Ribosome Profiling02:24

Ribosome Profiling

4.1K
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
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Protein Networks02:26

Protein Networks

4.5K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
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Related Experiment Video

Updated: Jan 13, 2026

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
10:37

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

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Probing the proteome.

Wei-Hsiang Lin1, Chia-Liang Cheng2

  • 1Institute of Molecular Biology, Academia Sinica, Taipei, Taiwan.

Elife
|January 7, 2026
PubMed
Summary
This summary is machine-generated.

Raman spectroscopy offers a non-invasive method to analyze Escherichia coli (E. coli) bacteria. This technique can accurately predict the bacteria's physiological state and protein makeup.

Keywords:
E. coliM. bovisM. tuberculosisRaman spectroscopyS. cerevisiaeS. pombegeneticsgenomicshumanlow dimensionalityphysics of living systemsproteomestoichiometry conservation

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Area of Science:

  • Biophysics
  • Microbiology
  • Spectroscopy

Background:

  • Understanding cellular physiology and proteome composition is crucial for microbiology.
  • Traditional methods for analyzing bacterial states can be time-consuming and destructive.

Purpose of the Study:

  • To investigate the utility of Raman spectroscopy for predicting cellular physiology in E. coli.
  • To determine if Raman spectroscopy can assess proteome composition in E. coli.

Main Methods:

  • Utilized Raman spectroscopy to collect spectral data from E. coli cultures.
  • Developed predictive models correlating spectral data with physiological parameters and proteomic data.

Main Results:

  • Raman spectra showed significant correlations with E. coli's physiological state.
  • Spectral analysis accurately predicted key aspects of the bacterial proteome.
  • The non-invasive nature of Raman spectroscopy allows for real-time monitoring.

Conclusions:

  • Raman spectroscopy is a powerful tool for non-invasively assessing E. coli physiology.
  • This technique provides a rapid and accurate method for predicting proteome composition.
  • Raman spectroscopy holds potential for applications in industrial microbiology and diagnostics.