ArticleThe Plant cell2013
Rapid severing and motility of chloroplast-actin filaments are required for the chloroplast avoidance response in Arabidopsis.
Article in The Plant cell, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
- Light-Induced Changes in RGB Reflectance Parameters in Wheat and Pea Leaves in the Minute Range.Plants (Basel, Switzerland) · 2026Article
- CHUP1 restricts chloroplast movement and effector-triggered immunity in epidermal cells.The New phytologist · 2024Article
- Chloroplast-actin filaments decide the direction of chloroplast avoidance movement under strong light in Arabidopsis thaliana.Journal of plant research · 2024Article
- CHLOROPLAST UNUSUAL POSITIONING 1 is a plant-specific actin polymerization factor regulating chloroplast movement.The Plant cell · 2024Article
- FKF1 Interacts with CHUP1 and Regulates Chloroplast Movement in Arabidopsis.Plants (Basel, Switzerland) · 2023Article
- Chloroplasts in plant cells show active glassy behavior under low-light conditions.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- The action of enhancing weak light capture via phototropic growth and chloroplast movement in plants.Stress biology · 2022Review
- Light-induced displacement of PLASTID MOVEMENT IMPAIRED1 precedes light-dependent chloroplast movements.Plant physiology · 2022Article
- Light-dependent phosphorylation of THRUMIN1 regulates its association with actin filaments and 14-3-3 proteins.Plant physiology · 2021Article
- Correlation Among Phenotypic Parameters Related to the Growth and Photosynthesis of Strawberry (Frontiers in plant science · 2021Article
- Phototropin 1 Mediates High-Intensity Blue Light-Induced Chloroplast Accumulation Response in a Root Phototropism 2-Dependent Manner inFrontiers in plant science · 2021Article
- Blue Light Mediates Chloroplast Avoidance and Enhances Photoprotection of Vanilla Orchid.International journal of molecular sciences · 2020Article
- Article
- Rethinking the Influence of Chloroplast Movements on Non-photochemical Quenching and Photoprotection.Plant physiology · 2020Article
- Phototropin2 Contributes to the Chloroplast Avoidance Response at the Chloroplast-Plasma Membrane Interface.Plant physiology · 2020Article
- PDV1 and PDV2 Differentially Affect Remodeling and Assembly of the Chloroplast DRP5B Ring.Plant physiology · 2020Article
- From Fuzziness to Clarity: Regulation of DRP5B Ring Dynamics at the Chloroplast Division Site.Plant physiology · 2020Article
- Cytoskeletal discoveries in the plant lineage using the moss Physcomitrella patens.Biophysical reviews · 2018Review
- Chloroplast Accumulation Response Enhances Leaf Photosynthesis and Plant Biomass Production.Plant physiology · 2018Article
- Carotenoid dynamics and lipid droplet containing astaxanthin in response to light in the green alga Haematococcus pluvialis.Scientific reports · 2018Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phototropins (phot1 and phot2 in Arabidopsis thaliana) relay blue light intensity information to the chloroplasts, which move toward weak light (the accumulation response) and away from strong light (the avoidance response). Chloroplast-actin (cp-actin) filaments are vital for mediating these chloroplast photorelocation movements. In this report, we examine in detail the cp-actin filament dynamics by which the chloroplast avoidance response is regulated. Although stochastic dynamics of cortical actin fragments are observed on the chloroplasts, the basic mechanisms underlying the disappearance (including severing and turnover) of the cp-actin filaments are regulated differently from those of cortical actin filaments. phot2 plays a pivotal role in the strong blue light-induced severing and random motility of cp-actin filaments, processes that are therefore essential for asymmetric cp-actin formation for the avoidance response. In addition, phot2 functions in the bundling of cp-actin filaments that is induced by dark incubation. By contrast, the function of phot1 is dispensable for these responses. Our findings suggest that phot2 is the primary photoreceptor involved in the rapid reorganization of cp-actin filaments that allows chloroplasts to change direction rapidly and control the velocity of the avoidance movement according to the light's intensity and position.
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