ArticlePlant and soil2020
A novel biosensor to monitor proline in pea root exudates and nodules under osmotic stress and recovery.
Article in Plant and soil, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 15 citations in OpenAlex.
- Rhizobial Symbiosis Enhances Salinity Tolerance in Legumes Through Coordinated Physiological and Molecular Responses: Evidence From Common Vetch and Pea.Plant, cell & environment · 2026Article
- The genotype of barley cultivars influences multiple aspects of their associated microbiota via differential root exudate secretion.PLoS biology · 2024Article
- TFBMiner: A User-Friendly Command Line Tool for the Rapid Mining of Transcription Factor-Based Biosensors.ACS synthetic biology · 2023Article
- Optical Sensing Technologies to Elucidate the Interplay between Plant and Microbes.Micromachines · 2023Review
- Progressive drought alters the root exudate metabolome and differentially activates metabolic pathways in cotton (Frontiers in plant science · 2023Article
- Genetic Circuit Design in Rhizobacteria.Biodesign research · 2022Review
- Transcriptomic Responses ofFrontiers in microbiology · 2021Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsPlant and bacteria are able to synthesise proline, which acts as a compound to counteract the negative effects of osmotic stresses. Most methodologies rely on the extraction of compounds using destructive methods. This work describes a new proline biosensor that allows the monitoring of proline levels in a non-invasive manner in root exudates and nodules of legume plants.
methodsThe proline biosensor was constructed by cloning the promoter region of pRL120553, a gene with high levels of induction in the presence of proline, in front of the
resultsFree-living assays show that the proline biosensor is sensitive and specific for proline. Proline was detected in both root exudates and nodules of pea plants. The luminescence detected in bacteroids did not show variations during osmotic stress treatments, but significantly increased during recovery.
conclusionsThis biosensor is a useful tool for the
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