ArticlePhotosynthesis research2022
Light-harvesting complex gene regulation by a MYB-family transcription factor in the marine diatom, Phaeodactylum tricornutum.
Article in Photosynthesis research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- Comparative genomics of light harvesting chlorophyll a/b binding protein (LHC) family in green jujube (Ziziphus mauritiana) reveal the effect of domestication based on haplotype-resolved genome.BMC plant biology · 2026Article
- Synthetic Biology Strategies and Tools to Modulate Photosynthesis in Microbes.International journal of molecular sciences · 2025Review
- DiatOmicBase: a versatile gene-centered platform for mining functional omics data in diatom research.The Plant journal : for cell and molecular biology · 2025Article
- Advances in light system engineering across the phototrophic spectrum.Frontiers in plant science · 2024Review
- Light-dependent signal transduction in the marine diatomProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Genome-Wide Identification and Functional Analysis of the bZIP Transcription Factor Family in Rice Bakanae Disease Pathogen,International journal of molecular sciences · 2022Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unicellular photoautotrophs adapt to variations in light intensity by changing the abundance of light harvest pigment-protein complexes (LHCs) on time scales of hours to days. This process requires a feedback signal between the plastid (where light intensity is sensed) to the nucleus (where the genes for LHCs are encoded). The signals must include heretofore unidentified transcription factors that modify the expression level of the LHCs. Analysis of the nuclear genome of the model diatom Phaeodactylum tricornutum revealed that all the lhc genes have potential binding sites for transcription factors belonging to the MYB-family proteins. Functional studies involving antisense RNA interference of a hypothetical protein with a MYB DNA-binding domain were performed. The resultant strains with altered photosynthetic and physiological characteristics lost their ability to acclimate to changes in irradiance; i.e., cellular chlorophyll content became independent of growth irradiance. Our results strongly suggest that the inter-organellar signaling cascade was disrupted, and the cell could no longer communicate the environmental signal from the plastid to the nucleus. Here, we identify, for the first time, an LHC Regulating Myb (LRM) transcription factor, which we propose is involved in lhc gene regulation and photoacclimation mechanisms in response to changes in light intensity.
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Registered trials
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