ArticleACS synthetic biology2021
Modular and Single-Cell Sensors of Bacterial Ser/Thr Kinase Activity.
Article in ACS synthetic biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 5 citations in OpenAlex.
- Post-translational modifications of GlmR integrate metabolic and stress signals to maintain cell envelope homeostasis in Bacillus subtilis.PLoS genetics · 2026Article
- Staying in the loop to make ends meet: roles and regulation of GlmR inbioRxiv : the preprint server for biology · 2025Article
- Phosphorylation of a conserved intrinsically disordered region is necessary for activation of a bacterial Hanks-type Ser/Thr kinase signaling pathway.bioRxiv : the preprint server for biology · 2025Article
- Article
- Experimental measurement and computational prediction of bacterial Hanks-type Ser/Thr signaling system regulatory targets.Molecular microbiology · 2024Review
- Growth rate is modulated by monitoring cell wall precursors in Bacillus subtilis.Nature microbiology · 2023Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
At the single-cell level, protein kinase activity is typically inferred from downstream transcriptional reporters. However, promoters are often coregulated by several pathways, making the activity of a specific kinase difficult to deconvolve. Here, we present modular, direct, and specific sensors of bacterial kinase activity, including FRET-based sensors, as well as a synthetic transcription factor based on the lactose repressor (LacI) that has been engineered to respond to phosphorylation. We demonstrate the utility of these sensors in measuring the activity of PrkC, a conserved bacterial Ser/Thr kinase, in different growth conditions from single cells to colonies. We also show that PrkC activity increases in response to a cell-wall active antibiotic that blocks the late steps in peptidoglycan synthesis (cefotaxime), but not the early steps (fosfomycin). These sensors have a modular design that should generalize to other bacterial signaling systems in the future.
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Registered trials
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