ArticleMolecular biology reports2013
The accumulation of endogenous proline induces changes in gene expression of several antioxidant enzymes in leaves of transgenic Swingle citrumelo.
Article in Molecular biology reports, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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33 citing papers in PubMed, 161 citations in OpenAlex.
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- Arbuscular mycorrhizal fungal contribution towards plant resilience to drought conditions.Frontiers in fungal biology · 2024Review
- Analysis of genetic diversity and genome-wide association study for drought tolerance related traits in Iranian bread wheat.BMC plant biology · 2023Article
- Salinity Alleviation and Reduction in Oxidative Stress by Endophytic and Rhizospheric Microbes in Two Rice Cultivars.Plants (Basel, Switzerland) · 2023Article
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- Responses of sorghum to cold stress: A review focused on molecular breeding.Frontiers in plant science · 2023Review
- Diverse Physiological Roles of Flavonoids in Plant Environmental Stress Responses and Tolerance.Plants (Basel, Switzerland) · 2022Review
- Genome-wide association mapping for wheat morphometric seed traits in Iranian landraces and cultivars under rain-fed and well-watered conditions.Scientific reports · 2022Article
- Physiological, Biochemical and Molecular Response of Different Winter Wheat Varieties under Drought Stress at Germination and Seedling Growth Stage.Antioxidants (Basel, Switzerland) · 2022Article
- ROS generated from biotic stress: Effects on plants and alleviation by endophytic microbes.Frontiers in plant science · 2022Review
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- Root Metabolite Differences in Two Maize Varieties Under Lead (Pb) Stress.Frontiers in plant science · 2021Article
- Linking diverse salinity responses of 14 almond rootstocks with physiological, biochemical, and genetic determinants.Scientific reports · 2020Article
- ROS Homeostasis in Abiotic Stress Tolerance in Plants.International journal of molecular sciences · 2020Review
- The unknown soldier in citrus plants: polyamines-based defensive mechanisms against biotic and abiotic stresses and their relationship with other stress-associated metabolites.Plant signaling & behavior · 2020Article
- Wheat Line "RYNO3936" Is Associated With Delayed Water Stress-Induced Leaf Senescence and Rapid Water-Deficit Stress Recovery.Frontiers in plant science · 2020Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant exposure to abiotic stresses leads to an accumulation of reactive oxygen species with the concomitant increase in antioxidant defense mechanisms. Previous studies showed that exogenous application of proline mitigate the deleterious effects caused by oxidative stress due to its ability to increase the activity of antioxidant enzymes. However, there are no reports of the effects of high endogenous accumulation of proline in the transcriptional pattern of antioxidant enzymes genes under normal conditions of water supply or in response to water deficit. Here, we show that isoforms of four antioxidant enzymes genes (Ascorbate peroxidase-APX, Catalase-CAT, Superoxide dismutase-SOD and Glutathione reductase-GR) were differentially regulated in leaves of Swingle citrumelo transgenic plants with high endogenous proline accumulation submitted to water deficits and also under normal water supply condition. Proline per se caused a two-fold change in the transcription activity of APX1, APXcl, CAT2 and Cu/ZnSOD2, while during water deficit proline influenced mRNAs levels in APXs and Cu/ZnSODs isoforms, MnSODmit and GRcl. This study adds new information on the role of proline during drought conditions and, more important, without the potential confounding effects imposed by water deficiency. We showed that, in addition to its known effects on diverse plant physiological and biochemical processes, high endogenous proline can also acts as a regulatory/signalling molecule capable of altering the transcript levels of stress-related genes.
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