ArticleProceedings of the National Academy of Sciences of the United States of America2008
Photoprotective role of NADPH:protochlorophyllide oxidoreductase A.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 84 citations in OpenAlex.
- Structures of LPOR-Chlide complexes reveal the structural basis of membrane remodeling and photocatalysis.Nature communications · 2026Article
- A comprehensive assessment of photosynthetic acclimation to shade in C4 grass (Cynodon dactylon (L.) Pers.).BMC plant biology · 2024Article
- Light dependent protochlorophyllide oxidoreductase: a succinct look.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Review
- Light controls mesophyll-specific post-transcriptional splicing of photoregulatory genes by AtPRMT5.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Methyl viologen-induced changes in the Arabidopsis proteome implicate PATELLIN 4 in oxidative stress responses.Journal of experimental botany · 2024Article
- Expression ofPlants (Basel, Switzerland) · 2023Article
- SUMO E3 ligase SIZ1 connects sumoylation and reactive oxygen species homeostasis processes in Arabidopsis.Plant physiology · 2022Article
- The Eucalyptus grandis chloroplast proteome: Seasonal variations in leaf development.PloS one · 2022Article
- Molecular landscape of etioplast inner membranes in higher plants.Nature plants · 2021Article
- Complex Evolution of Light-Dependent Protochlorophyllide Oxidoreductases in Aerobic Anoxygenic Phototrophs: Origin, Phylogeny, and Function.Molecular biology and evolution · 2021Article
- Photocatalysis as the 'master switch' of photomorphogenesis in early plant development.Nature plants · 2021Review
- The Role of Membranes and Lipid-Protein Interactions in the Mg-Branch of Tetrapyrrole Biosynthesis.Frontiers in plant science · 2021Review
- Crystal structures of cyanobacterial light-dependent protochlorophyllide oxidoreductase.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Consensus model of a cyanobacterial light-dependent protochlorophyllide oxidoreductase in its pigment-free apo-form and photoactive ternary complex.Communications biology · 2019Article
- A Protochlorophyllide (Pchlide)Frontiers in plant science · 2019Article
- Inhibition of TOR Represses Nutrient Consumption, Which Improves Greening after Extended Periods of Etiolation.Plant physiology · 2018Article
- The activity of superoxide dismutases (SODs) at the early stages of wheat deetiolation.PloS one · 2018Article
- Two NADPH: Protochlorophyllide Oxidoreductase (POR) Isoforms Play Distinct Roles in Environmental Adaptation in Rice.Rice (New York, N.Y.) · 2017Article
- NADPH:protochlorophyllide oxidoreductase B (PORB) action in Arabidopsis thaliana revisited through transgenic expression of engineered barley PORB mutant proteins.Plant molecular biology · 2017Article
- Interplay between Light and Plant Hormones in the Control ofFrontiers in plant science · 2017Review
Corrections and comments
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Authors and funding
7 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A homology model of NADPH:protochlorophyllide (Pchlide) oxidoreductase A (POR; E.C. 1.3.33.1) of barley is developed and verified by site-directed mutagenesis. PORA is considered a globular protein consisting of nine alpha-helices and seven beta-strands. The model predicts the presence of two functionally distinctive Pchlide binding sites where the pigment is coordinated by cysteine residues. The pigment bound to the first, high-affinity Pchlide binding site is used for the formation of the photoactive state of the enzyme. The pigment bound to the second, low-affinity Pchlide binding site is involved in the PORA:PORB interaction, allowing for resonance energy transfer between the neighboring PORs in the complex. In the in vitro reconstituted light-harvesting POR:Pchlide complex (LHPP), light absorbed by PORA-bound Pchlide b is transferred to PORB-bound Pchlide a. That induces the conversion of Pchlide a to chlorophyllide (Chlide) a. This energy transfer eliminates the possibility of Pchlide b photoreduction and prevents that excited triplet states of either Pchlides a or b accumulate and provoke singlet oxygen production. Together, our results provide a photoprotective role of PORA during greening.
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