ArticleScientific reports2018
Redox control and autoxidation of class 1, 2 and 3 phytoglobins from Arabidopsis thaliana.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Oxygen Binding Kinetics and Coordination States of Hemoglobins from Early Land Plants.ACS omega · 2025Article
- Digital Microfluidics-Driven Cell-Free Protein Synthesis Platform Reveals Expression and Stability Determinants for Phytoglobins and Cysteine-to-Alanine Substituted Variants.Antioxidants (Basel, Switzerland) · 2025Article
- The Achilles Heel of Protein Biochemistry: Insolubility of Recombinant Proteins-A Case Study About Producing a Rice Enzyme.International journal of molecular sciences · 2025Article
- Gas-Binding Studies of Class 1 Sugar Beet Phytoglobin and C86A Mutant Using Isothermal Spectral Shifts in High-Precision Microliter Assay.International journal of molecular sciences · 2025Article
- Redox Reactivity of Nonsymbiotic Phytoglobins towards Nitrite.Molecules (Basel, Switzerland) · 2024Article
- Conformational Dynamics of Phytoglobin BvPgb1.2 fromInternational journal of molecular sciences · 2023Article
- Oxidative Implications of Substituting a Conserved Cysteine Residue in Sugar Beet Phytoglobin BvPgb 1.2.Antioxidants (Basel, Switzerland) · 2022Article
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Authors and funding
8 authors.
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Abstract
Despite a recent increase in interest towards phytoglobins and their importance in plants, much is still unknown regarding their biochemical/biophysical properties and physiological roles. The present study presents data on three recombinant Arabidopsis phytoglobins in terms of their UV-vis and Raman spectroscopic characteristics, redox state control, redox potentials and autoxidation rates. The latter are strongly influenced by pH for all three hemoglobins - (with a fundamental involvement of the distal histidine), as well as by added anion concentrations - suggesting either a process dominated by nucleophilic displacement of superoxide for AtHb2 or an inhibitory effect for AtHb1 and AtHb3. Reducing agents, such as ascorbate and glutathione, are found to either enhance- (presumably via direct electron transfer or via allosteric regulation) or prevent autoxidation. HbFe
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