ArticlePlant physiology2023
Hydrogen peroxide sensor HyPer7 illuminates tissue-specific plastid redox dynamics.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 20 citations in OpenAlex.
- Sulfur metabolism-dependent retrograde signaling for oxidative stress acclimation.Journal of experimental botany · 2026Review
- Plasmodesmata display dynamic local and systemic redox responses during plant stress.The Plant cell · 2026Article
- The secreted redox sensor roGFP2-Orp1 reveals oxidative dynamics in the plant apoplast.Plant biology (Stuttgart, Germany) · 2026Article
- Quantification of SnRK1.1 response through analysis of its intracellular distribution.Plant cell reports · 2026Article
- Molecular Mechanisms and Experimental Strategies for Understanding Plant Drought Response.Plants (Basel, Switzerland) · 2026Review
- Plant responses to gaseous pollutants, biochemical and transcriptomic insights.Frontiers in plant science · 2026Review
- Clathrin-mediated endocytosis regulates root endodermal suberization via ROS.The New phytologist · 2025Article
- Construction of genetically encoded biosensors for monitoring cytosolic and mitochondrial HBiophysics reports · 2025Article
- Redox buffering and HThe Plant journal : for cell and molecular biology · 2025Article
- The genetically encoded biosensor HyPer7 enables in-line monitoring of H2O2 accumulation dynamics in the methylotrophic yeast Komagataella phaffii.FEMS yeast research · 2025Article
- CHUP1 restricts chloroplast movement and effector-triggered immunity in epidermal cells.The New phytologist · 2024Article
- The oxygen puzzle in FLASH radiotherapy: A comprehensive review and experimental outlook.Clinical and translational radiation oncology · 2024Review
- Proximity driven plastid-nucleus relationships are facilitated by tandem plastid-ER dynamics.Journal of experimental botany · 2024Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
The visualization of photosynthesis-derived reactive oxygen species has been experimentally limited to pH-sensitive probes, unspecific redox dyes, and whole-plant phenotyping. Recent emergence of probes that circumvent these limitations permits advanced experimental approaches to investigate in situ plastid redox properties. Despite growing evidence of heterogeneity in photosynthetic plastids, investigations have not addressed the potential for spatial variation in redox and/or reactive oxygen dynamics. To study the dynamics of H2O2 in distinct plastid types, we targeted the pH-insensitive, highly specific probe HyPer7 to the plastid stroma in Arabidopsis (Arabidopsis thaliana). Using HyPer7 and glutathione redox potential (EGSH) probe for redox-active green fluorescent protein 2 genetically fused to the redox enzyme human glutaredoxin-1 with live cell imaging and optical dissection of cell types, we report heterogeneities in H2O2 accumulation and redox buffering within distinct epidermal plastids in response to excess light and hormone application. Our observations suggest that plastid types can be differentiated by their physiological redox features. These data underscore the variation in photosynthetic plastid redox dynamics and demonstrate the need for cell-type-specific observations in future plastid phenotyping.
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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.