ArticlePlant physiology2014
Phototropin encoded by a single-copy gene mediates chloroplast photorelocation movements in the liverwort Marchantia polymorpha.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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38 citing papers in PubMed, 76 citations in OpenAlex.
- Reversible phosphorylation of NPH3/RPT2-like proteins regulates phototropin receptor signaling.The Plant cell · 2026Article
- Article
- Light-dependent chloroplast relocation in wild strawberry (Plant signaling & behavior · 2024Article
- Statistical analysis of organelle movement using state-space models.Plant methods · 2023Article
- The renaissance and enlightenment of Marchantia as a model system.The Plant cell · 2022Article
- The localization of phototropin to the plasma membrane defines a cold-sensing compartment inPNAS nexus · 2022Article
- The role of photosynthesis related pigments in light harvesting, photoprotection and enhancement of photosynthetic yield in planta.Photosynthesis research · 2022Review
- Functions of COP1/SPA E3 Ubiquitin Ligase Mediated by MpCRY in the LiverwortInternational journal of molecular sciences · 2021Article
- Article
- Chloroplast relocation movement in the liverwort Apopellia endiviifolia.Physiologia plantarum · 2021Article
- Modulation of Phototropin Signalosome with Artificial Illumination Holds Great Potential in the Development of Climate-Smart Crops.Current genomics · 2021Review
- Article
- Plant science's next top models.Annals of botany · 2020Review
- Phototropin2 Contributes to the Chloroplast Avoidance Response at the Chloroplast-Plasma Membrane Interface.Plant physiology · 2020Article
- The cold-induced switch in direction of chloroplast relocation occurs independently of changes in endogenous phototropin levels.PloS one · 2020Article
- Relationship between relocation of phototropin to the chloroplast periphery and the initiation of chloroplast movement inPlant direct · 2019Article
- Refinements to light sources used to analyze the chloroplast cold-avoidance response over the past century.Plant signaling & behavior · 2018Article
- Efficient CRISPR/Cas9-based genome editing and its application to conditional genetic analysis in Marchantia polymorpha.PloS one · 2018Article
- Phototropins of the moss Physcomitrella patens function as blue-light receptors for phototropism in Arabidopsis.Plant signaling & behavior · 2018Article
- Chloroplast aggregation during the cold-positioning response in the liverwort Marchantia polymorpha.Journal of plant research · 2017Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Blue-light-induced chloroplast photorelocation movement is observed in most land plants. Chloroplasts move toward weak-light-irradiated areas to efficiently absorb light (the accumulation response) and escape from strong-light-irradiated areas to avoid photodamage (the avoidance response). The plant-specific kinase phototropin (phot) is the blue-light receptor for chloroplast movements. Although the molecular mechanisms for chloroplast photorelocation movement have been analyzed, the overall aspects of signal transduction common to land plants are still unknown. Here, we show that the liverwort Marchantia polymorpha exhibits the accumulation and avoidance responses exclusively induced by blue light as well as specific chloroplast positioning in the dark. Moreover, in silico and Southern-blot analyses revealed that the M. polymorpha genome encodes a single PHOT gene, MpPHOT, and its knockout line displayed none of the chloroplast photorelocation movements, indicating that the sole MpPHOT gene mediates all types of movement. Mpphot was localized on the plasma membrane and exhibited blue-light-dependent autophosphorylation both in vitro and in vivo. Heterologous expression of MpPHOT rescued the defects in chloroplast movement of phot mutants in the fern Adiantum capillus-veneris and the seed plant Arabidopsis (Arabidopsis thaliana). These results indicate that Mpphot possesses evolutionarily conserved regulatory activities for chloroplast photorelocation movement. M. polymorpha offers a simple and versatile platform for analyzing the fundamental processes of phototropin-mediated chloroplast photorelocation movement common to land plants.
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