ArticleThe Plant cell2011
Tissue-autonomous promotion of palisade cell development by phototropin 2 in Arabidopsis.
Article in The Plant cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed.
- Light quality shapes mesophyll conductance in cucumber leaves in association with coordinated anatomical changes.Photosynthesis research · 2026Article
- Dissecting the Cell-Type-Specific Response to an Emerging Tobamovirus in Tomato Reveals Cultivar-Dependent Involvement of Brassinosteroid Signalling.Plant biotechnology journal · 2026Article
- Hyperspectral imaging for chloroplast movement detection.Journal of experimental botany · 2025Article
- Multi-omics data provide insight into the adaptation of the glasshouse plant Rheum nobile to the alpine subnival zone.Communications biology · 2023Article
- The Role of Light Quality in Regulating Early Seedling Development.Plants (Basel, Switzerland) · 2023Review
- COPlanta · 2023Review
- Leaf cell-specific and single-cell transcriptional profiling reveals a role for the palisade layer in UV light protection.The Plant cell · 2022Article
- Genotype-dependent contribution of CBF transcription factors to long-term acclimation to high light and cool temperature.Plant, cell & environment · 2022Article
- Anthocyanins in photoprotection: knowing the actors in play to solve this complex ecophysiological issue.The New phytologist · 2021Article
- Phototropin-mediated perception of light direction in leaves regulates blade flattening.Plant physiology · 2021Article
- Phototropin 1 and 2 Influence Photosynthesis, UV-C Induced Photooxidative Stress Responses, and Cell Death.Cells · 2021Article
- Low Blue Light Enhances Phototropism by Releasing Cryptochrome1-Mediated Inhibition ofPlant physiology · 2020Article
- Phototropin2 Contributes to the Chloroplast Avoidance Response at the Chloroplast-Plasma Membrane Interface.Plant physiology · 2020Article
- CRISPR/Cas9-mediated targeted mutagenesis for functional genomics research of crassulacean acid metabolism plants.Journal of experimental botany · 2019Article
- Multiple steps of leaf thickening during sun-leaf formation in Arabidopsis.The Plant journal : for cell and molecular biology · 2019Article
- IBR5 Regulates Leaf Serrations Development via Modulation of the Expression ofInternational journal of molecular sciences · 2019Article
- Fluctuating Light Interacts with Time of Day and Leaf Development Stage to Reprogram Gene Expression.Plant physiology · 2019Article
- Chloroplast Accumulation Response Enhances Leaf Photosynthesis and Plant Biomass Production.Plant physiology · 2018Article
- Palisade cell shape affects the light-induced chloroplast movements and leaf photosynthesis.Scientific reports · 2018Article
- Genetic and Developmental Basis for Increased Leaf Thickness in the Arabidopsis Cvi Ecotype.Frontiers in plant science · 2018Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Light is an important environmental information source that plants use to modify their growth and development. Palisade parenchyma cells in leaves develop cylindrical shapes in response to blue light; however, the photosensory mechanism for this response has not been elucidated. In this study, we analyzed the palisade cell response in phototropin-deficient mutants. First, we found that two different light-sensing mechanisms contributed to the response in different proportions depending on the light intensity. One response observed under lower intensities of blue light was mediated exclusively by a blue light photoreceptor, phototropin 2 (PHOT2). Another response was elicited under higher intensities of light in a phototropin-independent manner. To determine the tissue in which PHOT2 perceives the light stimulus to regulate the response, green fluorescent protein (GFP)-tagged PHOT2 (P2G) was expressed under the control of tissue-specific promoters in the phot1 phot2 mutant background. The results revealed that the expression of P2G in the mesophyll, but not in the epidermis, promoted palisade cell development. Furthermore, a constitutively active C-terminal kinase fragment of PHOT2 fused to GFP (P2CG) promoted the development of cylindrical palisade cells in the proper direction without the directional cue provided by light. Hence, in response to blue light, PHOT2 promotes the development of cylindrical palisade cells along a predetermined axis in a tissue-autonomous manner.
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