ArticleScientific reports2018
Strong increase in the autofluorescence of cells signals struggle for survival.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
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Who cites it
74 citing papers in PubMed, 152 citations in OpenAlex.
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- Investigating the influence of diverse treatments on the autofluorescence properties of Bacillus subtilis.Scientific reports · 2025Article
- Interferon-β induction heterogeneity during KSHV infection is correlated to levels and activation of the transcription factors ATF2 and RelA, and not IRF3.bioRxiv : the preprint server for biology · 2025Article
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- Generation of Cell Models with Stable Expression of a Caspase-3 Activity Fluorescent Sensor.Bulletin of experimental biology and medicine · 2025Article
- The Astrocytic Zinc Transporter ZIP12 Is a Synaptic Protein That Contributes to Synaptic Zinc Levels in the Mouse Auditory Cortex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Using Nano-Luciferase Binary (NanoBiT) Technology to Assess the Interaction Between Viral Spike Protein and Angiotensin-Converting Enzyme II by Aptamers.Biotech (Basel (Switzerland)) · 2025Article
- Phage-derived proteins: Advancing food safety through biocontrol and detection of foodborne pathogens.Comprehensive reviews in food science and food safety · 2025Review
- Raman-Enabled Predictions of Protein Content and Metabolites in BiopharmaceuticalEngineering in life sciences · 2024Article
- Establishment of closed 35S ribosomal RNA gene chromatin in stationary Saccharomyces cerevisiae cells.Nucleic acids research · 2024Article
- Article
14 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Prokaryotic and eukaryotic cells exhibit an intrinsic natural fluorescence due to the presence of fluorescent cellular structural components and metabolites. Therefore, cellular autofluorescence (AF) is expected to vary with the metabolic states of cells. We examined how exposure to the different stressors changes the AF of Escherichia coli cells. We observed that bactericidal treatments increased green cellular AF, and that de novo protein synthesis was required for the observed AF increase. Excitation and emission spectra and increased expression of the genes from the flavin biosynthesis pathway, strongly suggested that flavins are major contributors to the increased AF. An increased expression of genes encoding diverse flavoproteins which are involved in energy production and ROS detoxification, indicates a cellular strategy to cope with severe stresses. An observed increase in AF under stress is an evolutionary conserved phenomenon as it occurs not only in cells from different bacterial species, but also in yeast and human cells.
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