ArticleFrontiers in cell and developmental biology2016
High Light Intensity Leads to Increased Peroxule-Mitochondria Interactions in Plants.
Article in Frontiers in cell and developmental biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 65 citations in OpenAlex.
- Visualisation of peroxisomes: a journey through seven decades.Histochemistry and cell biology · 2026Review
- Multifactorial analysis of simultaneous organelle movement reveals cell-specific motility of peroxisomes and mitochondria.Plant physiology · 2026Article
- Peroxisomal-dependent signalling and dynamics modulate plant stress responses: reactive oxygen and nitrogen species as key molecules.Journal of experimental botany · 2025Review
- Visualizing the dynamics of plant energy organelles.Biochemical Society transactions · 2023Article
- Organelle Membrane Extensions in Mammalian Cells.Biology · 2023Review
- Co-regulation of mitochondrial and chloroplast function: Molecular components and mechanisms.Plant communications · 2023Review
- Reactive oxygen species signalling in plant stress responses.Nature reviews. Molecular cell biology · 2022Review
- Review
- A glossary of plant cell structures: Current insights and future questions.The Plant cell · 2022Review
- A high-throughput quantitative method to evaluate peroxisome-chloroplast interactions inFrontiers in plant science · 2022Article
- Structural regulation and dynamic behaviour of organelles during plant meiosis.Frontiers in cell and developmental biology · 2022Review
- The ER Is a Common Mediator for the Behavior and Interactions of Other Organelles.Frontiers in plant science · 2022Article
- Identification of Arabidopsis Protein Kinases That Harbor Functional Type 1 Peroxisomal Targeting Signals.Frontiers in cell and developmental biology · 2022Article
- Peroxisomes as redox-signaling nodes in intracellular communication and stress responses.Plant physiology · 2021Review
- Organelle extensions in plant cells.Plant physiology · 2021Article
- FMT, a protein that affects mitochondrial distribution, interacts with translation-related proteins in Arabidopsis thaliana.Plant cell reports · 2021Article
- Maintaining social contacts: The physiological relevance of organelle interactions.Biochimica et biophysica acta. Molecular cell research · 2020Review
- In Vivo Imaging with Genetically Encoded Redox Biosensors.International journal of molecular sciences · 2020Review
- Article
- It Started With a Kiss: Monitoring Organelle Interactions and Identifying Membrane Contact Site Components in Plants.Frontiers in plant science · 2020Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Peroxules are thin protrusions from spherical peroxisomes produced under low levels of reactive oxygen species (ROS) stress. Whereas, stress mitigation favors peroxule retraction, prolongation of the ROS stress leads to the elongation of the peroxisome into a tubular form. Subsequently, the elongated form becomes constricted through the binding of proteins such as dynamin related proteins 3A and 3B and eventually undergoes fission to increase the peroxisomal population within a cell. The events that occur in the short time window between peroxule initiation and the tubulation of the entire peroxisome have not been observed in living plant cells. Here, using fluorescent protein aided live-imaging, we show that peroxules are formed after only 4 min of high light (HL) irradiation during which there is a perceptible increase in the cytosolic levels of hydrogen peroxide. Using a stable, double transgenic line of Arabidopsis thaliana expressing a peroxisome targeted YFP and a mitochondrial targeted GFP probe, we observed sustained interactions between peroxules and small, spherical mitochondria. Further, it was observed that the frequency of HL-induced interactions between peroxules and mitochondria increased in the Arabidopsis anisotropy1 mutant that has reduced cell wall crystallinity and where we show accumulation of higher H2O2 levels than wild type plants. Our observations suggest a testable model whereby peroxules act as interaction platforms for ROS-distressed mitochondria that may release membrane proteins and fission factors. These proteins might thus become easily available to peroxisomes and facilitate their proliferation for enhancing the ROS-combating capability of a plant cell.
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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.