ArticlePloS one2018
The activity of superoxide dismutases (SODs) at the early stages of wheat deetiolation.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 40 citations in OpenAlex.
- Overexpression of Abiotic Stress-ResponsiveInternational journal of molecular sciences · 2025Article
- De-etiolation is Almost Color Blind: The Study of Photosynthesis Awakening under Blue and Red Light.Plant & cell physiology · 2024Article
- Fungal Elicitation Enhances Vincristine and Vinblastine Yield in the Embryogenic Tissues ofPlants (Basel, Switzerland) · 2023Article
- Molecular and Biochemical Analysis of Duplicated Cytosolic CuZn Superoxide Dismutases of Rice andFrontiers in plant science · 2022Article
- Overexpression of an aquaporin protein from Aspergillus glaucus confers salt tolerance in transgenic soybean.Transgenic research · 2021Review
- Insights Into Manganese SolubilizingFrontiers in plant science · 2021Article
- Dynamics of Etiolation Monitored by Seedling Morphology, Carotenoid Composition, Antioxidant Level, and Photoactivity of Protochlorophyllide inFrontiers in plant science · 2021Article
- Ectopic expression of a poplar gene NAC13 confers enhanced tolerance to salinity stress in transgenic Nicotiana tabacum.Journal of plant research · 2020Article
- Adjustment of Photosynthetic and Antioxidant Activities to Water Deficit Is Crucial in the Drought Tolerance ofInternational journal of molecular sciences · 2020Article
- The Biochemical Properties of Manganese in Plants.Plants (Basel, Switzerland) · 2019Review
- The effect of heavy metal contamination on humans and animals in the vicinity of a zinc smelting facility.PloS one · 2019Article
- Genetic diversity of submergence stress response in cytoplasms of the Triticum-Aegilops complex.Scientific reports · 2018Article
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5 authors at 2 institutions in 1 country.
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Abstract
Unbound tetrapyrroles, i.e. protochlorophyllide (Pchlide), chlorophyllide and chlorophylls, bring the risk of reactive oxygen species (ROS) being generated in the initial stages of angiosperm deetiolation due to inefficient usage of the excitation energy for photosynthetic photochemistry. We analyzed the activity of superoxide dismutases (SODs) in etiolated wheat (Triticum aestivum) leaves and at the beginning of their deetiolation. Mn-SOD and three isoforms of Cu/Zn-SODs were identified both in etiolated and greening leaves of T. aestivum. Two Cu/Zn-SODs, denoted as II and III, were found in plastids. The activity of plastidic Cu/Zn-SOD isoforms as well as that of Mn-SOD correlated with cell aging along a monocot leaf, being the highest at leaf tips. Moreover, a high Pchlide content at leaf tips was observed. No correlation between SOD activity and the accumulation of photoactive Pchlide, i.e. Pchlide bound into ternary Pchlide:Pchlide oxidoreductase:NADPH complexes was found. Cu/Zn-SOD I showed the highest activity at the leaf base. A flash of light induced photoreduction of the photoactive Pchlide to chlorophyllide as well as an increase in all the SODs activity which occurred in a minute time-scale. In the case of seedlings that were deetiolated under continuous light of moderate intensity (100 μmol photons m-2 s-1), only some fluctuations in plastidic Cu/Zn-SODs and Mn-SOD within the first four hours of greening were noticed. The activity of SODs is discussed with respect to the assembly of tetrapyrroles within pigment-protein complexes, monitored by fluorescence spectroscopy at 77 K.
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