ArticleProceedings of the National Academy of Sciences of the United States of America2013
Control of a four-color sensing photoreceptor by a two-color sensing photoreceptor reveals complex light regulation in cyanobacteria.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Multispectral regulation of chromatic acclimation by integration of the Rca system and the conservedJournal of bacteriology · 2026Article
- Red-light signaling pathway activates desert cyanobacteria to prepare for desiccation tolerance.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Cyanobacteriochromes: A Rainbow of Photoreceptors.Annual review of microbiology · 2024Review
- Reflections on Cyanobacterial Chromatic Acclimation: Exploring the Molecular Bases of Organismal Acclimation and Motivation for Rethinking the Promotion of Equity in STEM.Microbiology and molecular biology reviews : MMBR · 2022Review
- A hybrid type of chromatic acclimation regulated by the dual green/red photosensory systems in cyanobacteria.Plant physiology · 2022Article
- Pump-Probe Circular Dichroism Spectroscopy of Cyanobacteriochrome TePixJ Yields: Insights into Its Photoconversion.The journal of physical chemistry. B · 2021Article
- PhotoModPlus: A web server for photosynthetic protein prediction from genome neighborhood features.PloS one · 2021Article
- Ecogenomics of the Marine Benthic Filamentous Cyanobacterium Adonisia.Microbial ecology · 2020Article
- Photosynthetic protein classification using genome neighborhood-based machine learning feature.Scientific reports · 2020Article
- Protochromic absorption changes in the two-cysteine photocycle of a blue/orange cyanobacteriochrome.The Journal of biological chemistry · 2019Article
- Diverse light responses of cyanobacteria mediated by phytochrome superfamily photoreceptors.Nature reviews. Microbiology · 2019Review
- Chromophorylation of cyanobacteriochrome Slr1393 fromThe Journal of biological chemistry · 2018Article
- Article
- Spectral properties of bacteriophytochrome AM1_5894 in the chlorophyll d-containing cyanobacterium Acaryochloris marina.Scientific reports · 2016Article
- A cell cycle kinase with tandem sensory PAS domains integrates cell fate cues.Nature communications · 2016Article
- Article
- Genomic Survey and Biochemical Analysis of Recombinant Candidate Cyanobacteriochromes Reveals Enrichment for Near UV/Violet Sensors in the Halotolerant and Alkaliphilic Cyanobacterium Microcoleus IPPAS B353.The Journal of biological chemistry · 2015Article
- Three cyanobacteriochromes work together to form a light color-sensitive input system for c-di-GMP signaling of cell aggregation.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Phytochromes: an atomic perspective on photoactivation and signaling.The Plant cell · 2014Review
- Crystallographic and electron microscopic analyses of a bacterial phytochrome reveal local and global rearrangements during photoconversion.The Journal of biological chemistry · 2014Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Photoreceptors are biologically important for sensing changes in the color and intensity of ambient light and, for photosynthetic organisms, processing this light information to optimize food production through photosynthesis. Cyanobacteria are an evolutionarily and ecologically important prokaryotic group of oxygenic photosynthesizers that contain cyanobacteriochrome (CBCR) photoreceptors, whose family members sense nearly the entire visible spectrum of light colors. Some cyanobacteria contain 12 to 15 different CBCRs, and many family members contain multiple light-sensing domains. However, the complex interactions that must be occurring within and between these photoreceptors remain unexplored. Here we describe the regulation and photobiology of a unique CBCR called IflA (influenced by far-red light), demonstrating that a second CBCR called RcaE strongly regulates IflA abundance and that IflA uses two distinct photosensory domains to respond to four different light colors: blue, green, red, and far-red. The absorption of red or far-red light by one domain affects the conformation of the other domain, and the rate of relaxation of one of these domains is influenced by the conformation of the other. Deletion of iflA results in delayed growth at low cell density, suggesting that IflA accelerates growth under this condition, apparently by sensing the ratio of red to far-red light in the environment. The types of complex photobiological interactions described here, both between unrelated CBCR family members and within photosensory domains of a single CBCR, may be advantageous for species using these photoreceptors in aquatic environments, where light color ratios are influenced by many biotic and abiotic factors.
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