ArticleNature communications2025
Engineering unnatural cells with a 21st amino acid as a living epigenetic sensor.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed.
- Epigenetic Control of Cold Stress Tolerance in Plants: Emerging Mechanisms and Applications for Crop Improvement.International journal of molecular sciences · 2026Review
- Sequence Display enables large-scale sequence-activity datasets for rapid protein evolution.Nature biotechnology · 2026Article
- Biocatalytic Synthesis of N-Protected α-Amino Acids through 1,3-Nitrogen Migration by Nonheme Iron Enzymes.Journal of the American Chemical Society · 2025Article
- Engineering unnatural cells with a 21st amino acid as a living epigenetic sensor.Nature communications · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors.
Funding
Abstract
Living animals rely extensively on post-translational modifications (PTMs) to regulate protein activity, stability, subcellular localization, and protein-protein interactions. These modifications are tightly controlled by the balance of "writer" and "eraser" enzymes, which add or remove PTMs on proteins. Current strategies to measure writer and eraser activities in living animals largely depend on invasive methods, such as single-cell sequencing, quantitative mass spectrometry, or activity-based probes, which often lack cell or tissue specificity. In this study, we report the development of autonomous cells-both prokaryotic and eukaryotic-with the ability to biosynthesize and genetically encode acetyllysine using the genetic code expansion technology. These engineered living sensors with a site-specific acetyllysine modification can be transplanted into living animals, enabling real-time monitoring of PTM dynamics in living cells and animals. We further demonstrate the utility of these cells in tracking deacetylase activity and assessing the effects of deacetylase inhibitors on PTM dynamics in living animals in real time.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.