ArticleInternational journal of molecular sciences2021
Olive Varieties under UV-B Stress Show Distinct Responses in Terms of Antioxidant Machinery and Isoform/Activity of RubisCO.
Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 23 citations in OpenAlex.
- Low-temperature stress modulates pollen tube growth through temperature-dependent multi-level regulatory mechanisms in Camellia sinensis.Plant reproduction · 2026Article
- Effect of UV-B stress on olive (Olea europaea L.) pollen tubes: A study of callose plug deposition and male germ unit integrity.Protoplasma · 2025Article
- WRKY Transcription Factors Modulate the Flavonoid Pathway ofPlants (Basel, Switzerland) · 2025Article
- AssessingFrontiers in plant science · 2025Article
- Olive Tree Belowground Microbiota: Plant Growth-Promoting Bacteria and Fungi.Plants (Basel, Switzerland) · 2024Review
- Tomato Biodiversity and Drought Tolerance: A Multilevel Review.International journal of molecular sciences · 2023Review
- Transcriptomic Analysis on the Peel of UV-B-Exposed Peach Fruit Reveals an Upregulation of Phenolic- and UVR8-Related Pathways.Plants (Basel, Switzerland) · 2023Article
- The Role of Reactive Oxygen Species in Plant Response to Radiation.International journal of molecular sciences · 2023Review
- Intraspecific variation in photosynthetic efficiency in soybean (Photosynthetica · 2023Article
- Study on Antibacterial Activity and Mechanism of Improved Dian Dao San AgainstInfection and drug resistance · 2023Article
- Phytochemical and Antioxidant Profile of the Medicinal PlantInternational journal of molecular sciences · 2022Article
- Effects of UV-B Radiation on the Performance, Antioxidant Response and Protective Compounds of Hazelnut Pollen.Plants (Basel, Switzerland) · 2022Article
- Distinct Tomato Cultivars Are Characterized by a Differential Pattern of Biochemical Responses to Drought Stress.International journal of molecular sciences · 2022Article
- Chemical Profiling of Two ItalianPlants (Basel, Switzerland) · 2022Article
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In recent decades, atmospheric pollution led to a progressive reduction of the ozone layer with a consequent increase in UV-B radiation. Despite the high adaptation of olive trees to the Mediterranean environment, the progressive increase of UV-B radiation is a risk factor for olive tree cultivation. It is therefore necessary to understand how high levels of UV-B radiation affect olive plants and to identify olive varieties which are better adapted. In this study we analyzed two Italian olive varieties subjected to chronic UV-B stress. We focused on the effects of UV-B radiation on RubisCO, in terms of quantity, enzymatic activity and isoform composition. In addition, we also analyzed changes in the activity of antioxidant enzymes (SOD, CAT, GPox) to get a comprehensive picture of the antioxidant system. We also evaluated the effects of UV-B on the enzyme sucrose synthase. The overall damage at biochemical level was also assessed by analyzing changes in Hsp70, a protein triggered under stress conditions. The results of this work indicate that the varieties (Giarraffa and Olivastra Seggianese) differ significantly in the use of specific antioxidant defense systems, as well as in the activity and isoform composition of RubisCO. Combined with a different use of sucrose synthase, the overall picture shows that Giarraffa optimized the use of GPox and opted for a targeted choice of RubisCO isoforms, in addition to managing the content of sucrose synthase, thereby saving energy during critical stress points.
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