ArticlePlant molecular biology1996
A peroxiredoxin antioxidant is encoded by a dormancy-related gene, Per1, expressed during late development in the aleurone and embryo of barley grains.
Article in Plant molecular biology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 152 citations in OpenAlex.
- The GenePlants (Basel, Switzerland) · 2025Article
- Identification and validation of coding and non-coding RNAs involved in high-temperature-mediated seed dormancy in common wheat.Frontiers in plant science · 2023Article
- Seed-to-Seedling Transition inPlants (Basel, Switzerland) · 2022Article
- What Do We Know About the Genetic Basis of Seed Desiccation Tolerance and Longevity?International journal of molecular sciences · 2020Review
- Integrated physiological and proteomic analysis of embryo and endosperm reveals central salt stress response proteins during seed germination of winter wheat cultivar Zhengmai 366.BMC plant biology · 2019Article
- Peroxiredoxins and Redox Signaling in Plants.Antioxidants & redox signaling · 2018Review
- Redox and Reactive Oxygen Species Network in Acclimation for Salinity Tolerance in Sugar Beet.Journal of experimental botany · 2017Article
- A 2-Cys peroxiredoxin in response to oxidative stress in the pine wood nematode, Bursaphelenchus xylophilus.Scientific reports · 2016Article
- Article
- The sulfiredoxin-peroxiredoxin (Srx-Prx) axis in cell signal transduction and cancer development.Cancer letters · 2015Review
- Differentiation mechanism and function of the cereal aleurone cells and hormone effects on them.Plant cell reports · 2014Review
- A systematic proteomic analysis of NaCl-stressed germinating maize seeds.Molecular biology reports · 2014Article
- Programmed cell death (PCD): an essential process of cereal seed development and germination.Frontiers in plant science · 2014Review
- The effect of 'Candidatus Liberibacter asiaticus' infection on the proteomic profiles and nutritional status of pre-symptomatic and symptomatic grapefruit (Citrus paradisi) plants.BMC plant biology · 2013Article
- Overoxidation of chloroplast 2-Cys peroxiredoxins: balancing toxic and signaling activities of hydrogen peroxide.Frontiers in plant science · 2013Article
- Genome-wide analysis of putative peroxiredoxin in unicellular and filamentous cyanobacteria.BMC evolutionary biology · 2012Article
- Expression analysis of four peroxiredoxin genes from Tamarix hispida in response to different abiotic stresses and Exogenous Abscisic Acid (ABA).International journal of molecular sciences · 2012Article
- Peroxiredoxins in plants and cyanobacteria.Antioxidants & redox signaling · 2011Review
- Expression of fungal diacylglycerol acyltransferase2 genes to increase kernel oil in maize.Plant physiology · 2011Article
- Catalytic site cysteines of thiol enzyme: sulfurtransferases.Journal of amino acids · 2011Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Antioxidants can remove damaging reactive oxygen species produced as by-products of desiccation and respiration during late embryogenesis, imbibition of dormant seeds and germination. We have expressed a protein, PER1, encoded by the Balem (barley aleurone and embryo) transcript previously called B15C, and show it to reduce oxidative damage in vitro. PER1 shares high similarity to a novel group of thiol-requiring antioxidants, named peroxiredoxins, and represents a subgroup with only one conserved cysteine residue (1-Cys). PER1 is the first antioxidant belonging to the 1-Cys subgroup shown to be functionally active, and the first peroxiredoxin of any kind to be functionally described in plants. The steady state level of the transcript, Per1, homologous to a dormancy-related transcript (pBS128) from bromegrass (Bromus secalinus), increases considerably in imbibed embryos from dormant barley (Hordeum vulgare L.) grains. Our investigations also indicate that Per1 transcript levels are dormancy-related in the aleurone layer of whole grains. In contrast to most seed-expressed antioxidants Per1 disappears in germinating embryos, and in the mature aleurone the transcript is down-regulated by the germinating embryo or by gibberellic acid (GA). Our data show that the barley seed peroxiredoxin is encoded by a single Per1 gene. Possible roles of the PER1 peroxiredoxin in barley grains during desiccation, dormancy and imbibition are discussed.
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