ArticleScientific reports2017
Engineering 'cell robots' for parallel and highly sensitive screening of biomolecules under in vivo conditions.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- Integrated laboratory evolution and rational engineering of GalP/Glk-dependentMetabolic engineering communications · 2021Article
- Dynamic energy correlation analysis ofEngineering in life sciences · 2021Article
- In vivo continuous evolution of metabolic pathways for chemical production.Microbial cell factories · 2019Review
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Authors and funding
2 authors at 2 institutions in 1 country.
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Abstract
Cells are capable of rapid replication and performing tasks adaptively and ultra-sensitively and can be considered as cheap "biological-robots". Here we propose to engineer cells for screening biomolecules in parallel and with high sensitivity. Specifically, we place the biomolecule variants (library) on the bacterial phage M13. We then design cells to screen the library based on cell-phage interactions mediated by a specific intracellular signal change caused by the biomolecule of interest. For proof of concept, we used intracellular lysine concentration in E. coli as a signal to successfully screen variants of functional aspartate kinase III (AK-III) under in vivo conditions, a key enzyme in L-lysine biosynthesis which is strictly inhibited by L-lysine. Comparative studies with flow cytometry method failed to distinguish the wild-type from lysine resistance variants of AK-III, confirming a higher sensitivity of the method. It opens up a new and effective way of in vivo high-throughput screening for functional molecules and can be easily implemented at low costs.
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