ArticlePlant cell reports2017
Citrus plants exude proline and phytohormones under abiotic stress conditions.
Article in Plant cell reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 97 citations in OpenAlex.
- Root-Specific Signal Modules Mediating Abiotic Stress Tolerance in Fruit Crops.Plants (Basel, Switzerland) · 2026Review
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- Influence of Methyl Jasmonate and Short-Term Water Deficit on Growth, Redox System, Proline and Wheat Germ Agglutinin Contents of Roots of Wheat Seedlings.International journal of molecular sciences · 2025Article
- Root RADAR: how 'rhizocrine' signals allow roots to detect and respond to their soil environment and stresses.Journal of experimental botany · 2025Review
- Agronomic and Metabolic Responses ofInternational journal of molecular sciences · 2025Article
- Bacterial osmoprotectants-a way to survive in saline conditions and potential crop allies.FEMS microbiology reviews · 2025Review
- Elucidating the Molecular Mechanisms and Comprehensive Effects of Sludge-Derived Plant Biostimulants on Crop Growth: Insights from Metabolomic Analysis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Exogenous Sodium Nitroprusside Affects the Redox System of Wheat Roots Differentially Regulating the Activity of Antioxidant Enzymes under Short-Time Osmotic Stress.Plants (Basel, Switzerland) · 2024Article
- Purines enrich root-associated Pseudomonas and improve wild soybean growth under salt stress.Nature communications · 2024Article
- The Physiological Response of Apricot Flowers to Low-Temperature Stress.Plants (Basel, Switzerland) · 2024Article
- The Multiple Promoting Effects ofPlants (Basel, Switzerland) · 2024Article
- Root exudates facilitate the regulation of soil microbial community function in the genusFrontiers in plant science · 2024Article
- Progressive drought alters the root exudate metabolome and differentially activates metabolic pathways in cotton (Frontiers in plant science · 2023Article
- Morphological, physiological, and molecular scion traits are determinant for salt-stress tolerance of grafted citrus plants.Frontiers in plant science · 2023Article
- From plant survival to thriving: exploring the miracle of brassinosteroids for boosting abiotic stress resilience in horticultural crops.Frontiers in plant science · 2023Review
- A glass bead semi-hydroponic system for intact maize root exudate analysis and phenotyping.Plant methods · 2022Article
- The root signals in rhizospheric inter-organismal communications.Frontiers in plant science · 2022Review
- Predicting the impact of environmental factors on citrus canker through multiple regression.PloS one · 2022Article
- Pseudocitrobacter anthropi reduces heavy metal uptake and improves phytohormones and antioxidant system in Glycine max L.World journal of microbiology & biotechnology · 2021Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageThis article describes the root exudation of proline and phytohormones in citrus and their involvement in salt- and heat-stress responses. Plants are constantly releasing several compounds to the rhizosphere through their roots, including primary and secondary metabolites. Root exudation can be affected by growth conditions, including pH, nutrient availability, soil salinity, or temperature. In vitro-cultured plants of two citrus genotypes with contrasting tolerance to salt- and heat-stress conditions were used as plant material. Proline and phytohormone contents in root exudates from plants subjected to salt or high-temperature conditions were evaluated. In addition, tissue damage and lipid peroxidation together with endogenous levels of chloride, proline, and phytohormones were determined in roots and shoots. Proline was released in larger quantities to the rhizosphere when plants were subjected to salt or heat stress. In each stress condition, the concentration of this amino acid was higher in the exudates obtained from plants tolerant to this particular stress condition. On the other hand, root exudation of phytohormones salicylic acid, indole acetic acid, abscisic acid, and jasmonic acid generally increased under both adverse conditions. Results confirm a phytohormone exudation in citrus plants, which had not been described previously and can have an important role in the rhizosphere communication. Moreover, stress conditions and the different tolerance of each genotype to the particular stress significantly modify the exudation pattern both quantitatively and qualitatively.
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