ArticlePlant physiology2022
Strigo-D2-a bio-sensor for monitoring spatio-temporal strigolactone signaling patterns in intact plants.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Robust quantification of multiplexed fluorescent protein-based biosensors in plant tissues.The Plant journal : for cell and molecular biology · 2026Article
- Strigolactones optimise plant water usage by modulating vessel formation.Nature communications · 2025Article
- Chemistry and chemical biology tools contributing to the discovery and functional characterization of strigolactones.Frontiers in plant science · 2025Review
- The lowdown on breakdown: Open questions in plant proteolysis.The Plant cell · 2024Review
- Strigolactones as a hormonal hub for the acclimation and priming to environmental stress in plants.Plant, cell & environment · 2022Review
- A conformational switch in the SCF-D3/MAX2 ubiquitin ligase facilitates strigolactone signalling.Nature plants · 2022Article
- Rapid analysis of strigolactone receptor activity in aPlant direct · 2022Article
- Imaging the living plant cell: From probes to quantification.The Plant cell · 2022Review
- How Strigolactone Shapes Shoot Architecture.Frontiers in plant science · 2022Review
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
Strigolactones (SLs) are a class of plant hormones that mediate biotic interactions and modulate developmental programs in response to endogenous and exogenous stimuli. However, a comprehensive view on the spatio-temporal pattern of SL signaling has not been established, and tools for a systematic in planta analysis do not exist. Here, we present Strigo-D2, a genetically encoded ratiometric SL signaling sensor that enables the examination of SL signaling distribution at cellular resolution and is capable of rapid response to altered SL levels in intact Arabidopsis (Arabidopsis thaliana) plants. By monitoring the abundance of a truncated and fluorescently labeled SUPPRESSOR OF MAX2 1-LIKE 6 (SMXL6) protein, a proteolytic target of the SL signaling machinery, we show that all cell types investigated have the capacity to respond to changes in SL levels but with very different dynamics. In particular, SL signaling is pronounced in vascular cells but low in guard cells and the meristematic region of the root. We also show that other hormones leave Strigo-D2 activity unchanged, indicating that initial SL signaling steps work in isolation from other hormonal signaling pathways. The specificity and spatio-temporal resolution of Strigo-D2 underline the value of the sensor for monitoring SL signaling in a broad range of biological contexts with highly instructive analytical depth.
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Registered trials
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