ArticlePlanta2012
The PSBP2 protein of Chlamydomonas reinhardtii is required for singlet oxygen-dependent signaling.
Article in Planta, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 36 citations in OpenAlex.
- Singlet-Oxygen-Mediated Regulation of Photosynthesis-Specific Genes: A Role for Reactive Electrophiles in Signal Transduction.International journal of molecular sciences · 2024Article
- Sensory plastid-associated PsbP DOMAIN-CONTAINING PROTEIN 3 triggers plant growth- and defense-related epigenetic responses.The Plant journal : for cell and molecular biology · 2023Article
- Singlet oxygen-induced signalling depends on the metabolic status of the Chlamydomonas reinhardtii cell.Communications biology · 2023Article
- Proteomic Analysis of the Inflorescence Stem Mechanical Strength Difference in Herbaceous Peonies (ACS omega · 2022Article
- Retrograde and anterograde signaling in the crosstalk between chloroplast and nucleus.Frontiers in plant science · 2022Review
- Chlamydomonas as a model for reactive oxygen species signaling and thiol redox regulation in the green lineage.Plant physiology · 2021Review
- Cellular oxidative stress in programmed cell death: focusing on chloroplasticJournal of plant research · 2021Article
- Article
- Redox- and Reactive Oxygen Species-Dependent Signaling into and out of the Photosynthesizing Chloroplast.Plant physiology · 2016Review
- Mg chelatase in chlorophyll synthesis and retrograde signaling in Chlamydomonas reinhardtii: CHLI2 cannot substitute for CHLI1.Journal of experimental botany · 2016Article
- Chlamydomonas Flavodiiron Proteins Facilitate Acclimation to Anoxia During Sulfur Deprivation.Plant & cell physiology · 2015Article
- Phosphoprotein SAK1 is a regulator of acclimation to singlet oxygen in Chlamydomonas reinhardtii.eLife · 2014Article
- Understanding the roles of the thylakoid lumen in photosynthesis regulation.Frontiers in plant science · 2013Review
- The PsbP family of proteins.Photosynthesis research · 2013Review
- A mediator of singlet oxygen responses in Chlamydomonas reinhardtii and Arabidopsis identified by a luciferase-based genetic screen in algal cells.The Plant cell · 2013Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the green alga Chlamydomonas reinhardtii, the cytosolic Glutathione Peroxidase 5 gene (GPX5) is known to be transcriptionally up-regulated in response to singlet oxygen ((1)O(2)). As demonstrated by previous studies, fusion of the promoter region of GPX5 to the Arylsulfatase 2 gene (ARS2) creates an effective reporter system that can be used to monitor (1)O(2)-driven GPX5 expression. This system was also used in this study to generate a stably transformed C. reinhardtii strain which expresses ARS2 in a (1)O(2)-dependent manner, resulting in the synthesis of a functional protein with detectable activity. Using the strain of C. reinhardtii harboring a (1)O(2)-sensitive reporter construct, a secondary mutagenic screen was performed. This allowed identification of mutant cell lines that were unable to up-regulate expression of the GPX5-ARS2 fusion in response to (1)O(2). In one of these lines, the mutation was subsequently localized to the first exon of the PSBP-like gene (PSBP2). The PSBP2 gene is part of a small protein family in C. reinhardtii, also present in all angiosperms studied thus far. While each member of the PSBP protein family contains a similar domain to the PSBP1 protein, which is a member of the oxygen evolving complex of photosystem II (PSII), the PSBP2 protein does not appear to be involved in PSII function, but may function as a sensor and/or signal mediating molecule of the (1)O(2) generated in the chloroplast.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.