ArticleProceedings of the National Academy of Sciences of the United States of America2016
RPT2/NCH1 subfamily of NPH3-like proteins is essential for the chloroplast accumulation response in land plants.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.
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Who cites it
29 citing papers in PubMed, 1 synthesis or guideline pooled it, 64 citations in OpenAlex.
- Genome-Wide Meta-Analysis of QTLs Associated with Root Traits and Implications for Maize Breeding.International journal of molecular sciences · 2023Pooled it
- Blue light receptor phot2 collaborates with NRL-30 to negatively regulate immunity by reducing mitochondrial protein PRXIIF stability in potato.Molecular horticulture · 2026Article
- Plant BTB (Broad-Complex, Tramtrack, and Bric-à-Brac) Proteins: Structural Features, Biological Functions, and Roles in Stress Responses.Plants (Basel, Switzerland) · 2026Review
- Reversible phosphorylation of NPH3/RPT2-like proteins regulates phototropin receptor signaling.The Plant cell · 2026Article
- StOSD1/UVI4 is crucial for accurate mitotic progression and the maintenance of leaf morphology in potato.BMC plant biology · 2025Article
- At-RS31 orchestrates hierarchical cross-regulation of splicing factors and integrates alternative splicing with TOR-ABA pathways.The New phytologist · 2025Article
- Phototropin2 3'UTR overlaps with the AT5G58150 gene encoding an inactive RLK kinase.BMC plant biology · 2024Article
- COPlanta · 2023Review
- Phototropin phosphorylation of ROOT PHOTOTROPISM 2 and its role in mediating phototropism, leaf positioning, and chloroplast accumulation movement in Arabidopsis.The Plant journal : for cell and molecular biology · 2023Article
- Tuning the Wavelength: Manipulation of Light Signaling to Control Plant Defense.International journal of molecular sciences · 2023Review
- The action of enhancing weak light capture via phototropic growth and chloroplast movement in plants.Stress biology · 2022Review
- LsNRL4 enhances photosynthesis and decreases leaf angles in lettuce.Plant biotechnology journal · 2022Article
- Transcriptome, metabolome and suppressor analysis reveal an essential role for the ubiquitin-proteasome system in seedling chloroplast development.BMC plant biology · 2022Article
- Blue-light receptor phototropin 1 suppresses immunity to promote Phytophthora infestans infection.The New phytologist · 2022Article
- The bryophytes Physcomitrium patens and Marchantia polymorpha as model systems for studying evolutionary cell and developmental biology in plants.The Plant cell · 2022Review
- Pole position: How plant cells polarize along the axes.The Plant cell · 2022Review
- Regulation of plant phototropic growth by NPH3/RPT2-like substrate phosphorylation and 14-3-3 binding.Nature communications · 2021Article
- Phototropin 1 Mediates High-Intensity Blue Light-Induced Chloroplast Accumulation Response in a Root Phototropism 2-Dependent Manner inFrontiers in plant science · 2021Article
- CUL3 E3 ligases in plant development and environmental response.Nature plants · 2021Review
- Chloroplasts in C3 grasses move in response to blue-light.Plant cell reports · 2020Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In green plants, the blue light receptor kinase phototropin mediates various photomovements and developmental responses, such as phototropism, chloroplast photorelocation movements (accumulation and avoidance), stomatal opening, and leaf flattening, which facilitate photosynthesis. In Arabidopsis, two phototropins (phot1 and phot2) redundantly mediate these responses. Two phototropin-interacting proteins, NONPHOTOTROPIC HYPOCOTYL 3 (NPH3) and ROOT PHOTOTROPISM 2 (RPT2), which belong to the NPH3/RPT2-like (NRL) family of BTB (broad complex, tramtrack, and bric à brac) domain proteins, mediate phototropism and leaf flattening. However, the roles of NRL proteins in chloroplast photorelocation movement remain to be determined. Here, we show that another phototropin-interacting NRL protein, NRL PROTEIN FOR CHLOROPLAST MOVEMENT 1 (NCH1), and RPT2 redundantly mediate the chloroplast accumulation response but not the avoidance response. NPH3, RPT2, and NCH1 are not involved in the chloroplast avoidance response or stomatal opening. In the liverwort Marchantia polymorpha, the NCH1 ortholog, MpNCH1, is essential for the chloroplast accumulation response but not the avoidance response, indicating that the regulation of the phototropin-mediated chloroplast accumulation response by RPT2/NCH1 is conserved in land plants. Thus, the NRL protein combination could determine the specificity of diverse phototropin-mediated responses.
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