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Cai Y, Xu H, Xu C, Zuo Z. Adjusting function of camphor on primary metabolism in Cinnamomum camphora stressed by high temperature. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 339:111956. [PMID: 38101618 DOI: 10.1016/j.plantsci.2023.111956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 12/04/2023] [Accepted: 12/09/2023] [Indexed: 12/17/2023]
Abstract
Cinnamomum camphora has great economic value for its wide utilization in traditional medicine and furniture material, and releases lots of monoterpenes to tolerate high temperature. To uncover the adjusting function of monoterpenes on primary metabolism and promoting their utilization as anti-high temperature agents, the photosynthetic capacities, primary metabolite levels, cell ultrastructure and associated gene expression were surveyed in C. camphora when it was blocked monoterpene biosynthesis with fosmidomycin (Fos) and fumigated with camphor (a typical monoterpene in the plant) under high temperature (Fos+38 °C+camphor). Compared with the control (28 °C), high temperature at 38 °C decreased the starch content and starch grain size, and increased the fructose, glucose, sucrose and soluble sugar content. Meanwhile, high temperature also raised the lipid content, with the increase of lipid droplet size and numbers. These variations were further intensified in Fos+ 38 °C treatment. Compared with Fos+ 38 °C treatment, Fos+ 38 °C+camphor treatment improved the starch accumulation by promoting 4 gene expression in starch biosynthesis, and lowered the sugar content by suppressing 3 gene expression in pentose phosphate pathway and promoting 15 gene expression in glycolysis and tricarboxylic acid cycle. Meanwhile, Fos+ 38 °C+camphor treatment also lowered the lipid content, which may be caused by the down-regulation of 2 genes in fatty acid formation and up-regulation of 4 genes in fatty acid decomposition. Although Fos+ 38 °C+camphor treatment improved the photosynthetic capacities in contrast to Fos+ 38 °C treatment, it cannot explain the variations of these primary metabolite levels. Therefore, camphor should adjust related gene expression to maintain the primary metabolism in C. camphora tolerating high temperature.
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Affiliation(s)
- Yuyan Cai
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou 311300, China; Shanghai Baoshan District Forestry Station, Shanghai 200940, China
| | - Haozhe Xu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou 311300, China
| | - Chenyi Xu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou 311300, China
| | - Zhaojiang Zuo
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou 311300, China.
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Faralli M, Bianchedi PL, Moser C, Bontempo L, Bertamini M. Nitrogen control of transpiration in grapevine. PHYSIOLOGIA PLANTARUM 2023; 175:e13906. [PMID: 37006174 DOI: 10.1111/ppl.13906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 03/13/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
Transpiration per unit of leaf area is the end-product of the root-to-leaf water transport within the plant, and it is regulated by a series of morpho-physiological resistances and hierarchical signals. The rate of water transpired sustains a series of processes such as nutrient absorption and leaf evaporative cooling, with stomata being the end-valves that maintain the optimal water loss under specific degrees of evaporative demand and soil moisture conditions. Previous work provided evidence of a partial modulation of water flux following nitrogen availability linking high nitrate availability with tight stomatal control of transpiration in several species. In this work, we tested the hypothesis that stomatal control of transpiration, among others signals, is partially modulated by soil nitrate ( NO 3 - ) availability in grapevine, with reduced NO 3 - availability (alkaline soil pH, reduced fertilization, and distancing NO 3 - source) associated with decreased water-use efficiency and higher transpiration. We observed a general trend when NO 3 - was limiting with plants increasing either stomatal conductance or root-shoot ratio in four independent experiments with strong associations between leaf water status, stomatal behavior, root aquaporins expression, and xylem sap pH. Carbon and oxygen isotopic signatures confirm the proximal measurements, suggesting the robustness of the signal that persists over weeks and under different gradients of NO 3 - availability and leaf nitrogen content. Nighttime stomatal conductance was unaffected by NO 3 - manipulation treatments, while application of high vapor pressure deficit conditions nullifies the differences between treatments. Genotypic variation for transpiration increase under limited NO 3 - availability was observed between rootstocks indicating that breeding (e.g., for high soil pH tolerance) unintentionally selected for enhanced mass flow nutrient acquisition under restrictive or nutrient-buffered conditions. We provide evidence of a series of specific traits modulated by NO 3 - availability and suggest that NO 3 - fertilization is a potential candidate for optimizing grapevine water-use efficiency and root exploration under the climate-change scenario.
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Affiliation(s)
- Michele Faralli
- Center Agriculture Food Environment (C3A), University of Trento, via Mach 1, San Michele all'Adige, TN, 38098, Italy
- Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, San Michele all'Adige, TN, 38098, Italy
| | - Pier Luigi Bianchedi
- Technology Transfer Centre, Fondazione Edmund Mach, via Mach 1, San Michele all'Adige, TN, 38098, Italy
| | - Claudio Moser
- Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, San Michele all'Adige, TN, 38098, Italy
| | - Luana Bontempo
- Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, San Michele all'Adige, TN, 38098, Italy
| | - Massimo Bertamini
- Center Agriculture Food Environment (C3A), University of Trento, via Mach 1, San Michele all'Adige, TN, 38098, Italy
- Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, San Michele all'Adige, TN, 38098, Italy
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Midzi J, Jeffery DW, Baumann U, Rogiers S, Tyerman SD, Pagay V. Stress-Induced Volatile Emissions and Signalling in Inter-Plant Communication. PLANTS 2022; 11:plants11192566. [PMID: 36235439 PMCID: PMC9573647 DOI: 10.3390/plants11192566] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022]
Abstract
The sessile plant has developed mechanisms to survive the “rough and tumble” of its natural surroundings, aided by its evolved innate immune system. Precise perception and rapid response to stress stimuli confer a fitness edge to the plant against its competitors, guaranteeing greater chances of survival and productivity. Plants can “eavesdrop” on volatile chemical cues from their stressed neighbours and have adapted to use these airborne signals to prepare for impending danger without having to experience the actual stress themselves. The role of volatile organic compounds (VOCs) in plant–plant communication has gained significant attention over the past decade, particularly with regard to the potential of VOCs to prime non-stressed plants for more robust defence responses to future stress challenges. The ecological relevance of such interactions under various environmental stresses has been much debated, and there is a nascent understanding of the mechanisms involved. This review discusses the significance of VOC-mediated inter-plant interactions under both biotic and abiotic stresses and highlights the potential to manipulate outcomes in agricultural systems for sustainable crop protection via enhanced defence. The need to integrate physiological, biochemical, and molecular approaches in understanding the underlying mechanisms and signalling pathways involved in volatile signalling is emphasised.
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Affiliation(s)
- Joanah Midzi
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA 5064, Australia
- Australian Research Council Training Centre for Innovative Wine Production, Urrbrae, SA 5064, Australia
| | - David W. Jeffery
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA 5064, Australia
- Australian Research Council Training Centre for Innovative Wine Production, Urrbrae, SA 5064, Australia
| | - Ute Baumann
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA 5064, Australia
| | - Suzy Rogiers
- Australian Research Council Training Centre for Innovative Wine Production, Urrbrae, SA 5064, Australia
- New South Wales Department of Primary Industries, Wollongbar, NSW 2477, Australia
| | - Stephen D. Tyerman
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA 5064, Australia
- Australian Research Council Training Centre for Innovative Wine Production, Urrbrae, SA 5064, Australia
| | - Vinay Pagay
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA 5064, Australia
- Australian Research Council Training Centre for Innovative Wine Production, Urrbrae, SA 5064, Australia
- Correspondence:
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Faralli M, Bontempo L, Bianchedi PL, Moser C, Bertamini M, Lawson T, Camin F, Stefanini M, Varotto C. Natural variation in stomatal dynamics drives divergence in heat stress tolerance and contributes to seasonal intrinsic water-use efficiency in Vitis vinifera (subsp. sativa and sylvestris). JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:3238-3250. [PMID: 34929033 DOI: 10.1093/jxb/erab552] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 12/20/2021] [Indexed: 05/20/2023]
Abstract
Stomata control CO2 uptake for photosynthesis and water loss through transpiration, thus playing a key role in leaf thermoregulation, water-use efficiency (iWUE), and plant productivity. In this work, we investigated the relationship between several leaf traits and hypothesized that stomatal behavior to fast (i.e. minutes) environmental changes co-determines, along with steady-state traits, the physiological response of grapevine to the surrounding fluctuating environment over the growing season. No relationship between iWUE, heat stress tolerance, and stomatal traits was observed in field-grown grapevine, suggesting that other physiological mechanisms are involved in determining leaf evaporative cooling capacity and the seasonal ratio of CO2 uptake (A) to stomatal conductance (gs). Indeed, cultivars that in the field had an unexpected combination of high iWUE but low sensitivity to thermal stress displayed a quick stomatal closure to light, but a sluggish closure to increased vapor pressure deficit (VPD) levels. This strategy, aiming both at conserving water under a high to low light transition and in prioritizing evaporative cooling under a low to high VPD transition, was mainly observed in the cultivars Regina and Syrah. Moreover, cultivars with different known responses to soil moisture deficit or high air VPD (isohydric versus anisohydric) had opposite behavior under fluctuating environments, with the isohydric cultivar showing slow stomatal closure to reduced light intensity but quick temporal responses to VPD manipulation. We propose that stomatal behavior to fast environmental fluctuations can play a critical role in leaf thermoregulation and water conservation under natural field conditions in grapevine.
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Affiliation(s)
- Michele Faralli
- Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
- Center Agriculture Food Environment (C3A), University of Trento, Via Mach 1, 38098 San Michele all'Adige (TN), Italy
| | - Luana Bontempo
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
| | - Pier Luigi Bianchedi
- Technology Transfer Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
| | - Claudio Moser
- Genomics and Biology of Fruit Crops Department, Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
| | - Massimo Bertamini
- Center Agriculture Food Environment (C3A), University of Trento, Via Mach 1, 38098 San Michele all'Adige (TN), Italy
- Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
| | - Tracy Lawson
- School of Life Sciences, University of Essex, Colchester, UK
| | - Federica Camin
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
- Center Agriculture Food Environment (C3A), University of Trento, Via Mach 1, 38098 San Michele all'Adige (TN), Italy
- International Atomic Energy Agency, Vienna International Centre, PO Box 100, A-1400 Vienna, Austria
| | - Marco Stefanini
- Genomics and Biology of Fruit Crops Department, Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
| | - Claudio Varotto
- Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, 38098 San Michele all'Adige (TN), Italy
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Lazazzara V, Avesani S, Robatscher P, Oberhuber M, Pertot I, Schuhmacher R, Perazzolli M. Biogenic volatile organic compounds in the grapevine response to pathogens, beneficial microorganisms, resistance inducers, and abiotic factors. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:529-554. [PMID: 34409450 DOI: 10.1093/jxb/erab367] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 08/04/2021] [Indexed: 06/13/2023]
Abstract
The synthesis of volatile organic compounds (VOCs) in plants is triggered in response to external stimuli, and these compounds can migrate to distal tissues and neighbouring receivers. Although grapevine VOCs responsible for wine aroma and plant-insect communications are well characterized, functional properties of VOCs produced in response to phytopathogens, beneficial microorganisms, resistance inducers, and abiotic factors have been less studied. In this review, we focused on the emission patterns and potential biological functions of VOCs produced by grapevines in response to stimuli. Specific grapevine VOCs are emitted in response to the exogenous stimulus, suggesting their precise involvement in plant defence response. VOCs with inhibitory activities against pathogens and responsible for plant resistance induction are reported, and some of them can also be used as biomarkers of grapevine resistance. Likewise, VOCs produced in response to beneficial microorganisms and environmental factors are possible mediators of grapevine-microbe communications and abiotic stress tolerance. Although further functional studies may improve our knowledge, the existing literature suggests that VOCs have an underestimated potential application as pathogen inhibitors, resistance inducers against biotic or abiotic stresses, signalling molecules, membrane stabilizers, and modulators of reactive oxygen species. VOC patterns could also be used to screen for resistant traits or to monitor the plant physiological status.
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Affiliation(s)
- Valentina Lazazzara
- Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38098 San Michele all'Adige, Italy
| | - Sara Avesani
- Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38098 San Michele all'Adige, Italy
- Center for Agriculture Food Environment (C3A), University of Trento, Via E. Mach 1, 38098 San Michele all'Adige, Italy
- Laboratory for Flavours and Metabolites, Laimburg Research Centre, Laimburg 6, Pfatten (Vadena), 39040 Auer (Ora), Italy
| | - Peter Robatscher
- Laboratory for Flavours and Metabolites, Laimburg Research Centre, Laimburg 6, Pfatten (Vadena), 39040 Auer (Ora), Italy
| | - Michael Oberhuber
- Laboratory for Flavours and Metabolites, Laimburg Research Centre, Laimburg 6, Pfatten (Vadena), 39040 Auer (Ora), Italy
| | - Ilaria Pertot
- Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38098 San Michele all'Adige, Italy
- Center for Agriculture Food Environment (C3A), University of Trento, Via E. Mach 1, 38098 San Michele all'Adige, Italy
| | - Rainer Schuhmacher
- Institute of Bioanalytics and Agro-Metabolomics, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Straße 20, 3430 Tulln, Austria
| | - Michele Perazzolli
- Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38098 San Michele all'Adige, Italy
- Center for Agriculture Food Environment (C3A), University of Trento, Via E. Mach 1, 38098 San Michele all'Adige, Italy
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Khalvandi M, Amerian M, Pirdashti H, Keramati S. Does co-inoculation of mycorrhiza and Piriformospora indica fungi enhance the efficiency of chlorophyll fluorescence and essential oil composition in peppermint under irrigation with saline water from the Caspian Sea? PLoS One 2021; 16:e0254076. [PMID: 34242262 PMCID: PMC8270468 DOI: 10.1371/journal.pone.0254076] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 06/19/2021] [Indexed: 11/27/2022] Open
Abstract
Symbiotic associations with endophytic fungi are ecologically important for medicinal and aromatic plants. Endophytic fungi highly affect the quantity and quality of herbal products. In this study, a pot experiment was carried out in the greenhouse to investigate the interactive effects of Piriformospora indica and arbuscular mycorrhizal (AMF) inoculation on the chlorophyll fluorescence, essential oil composition, and antioxidant enzymes of peppermint under saline condition. The results showed that Fo, YNPQ, YNO, and NPQ values were obviously increased under salinity conditions, while essential oil content, chlorophyll a and b, gs, Fm, Fv, ETR, ФPSII and Fv/Fm ratio decreased by increasing salinity. In addition, salt induced the excess Na+ uptake, whereas the opposite trend was observed for P and K+. The synergistic association of P. indica and AMF caused a considerable increase in the antioxidant ability, essential oil content, Fv/Fm ratio, ФPSII, and amount of P and K+ uptake in salt-stressed plants. The main peppermint oil constituents, menthol, menthone, and 1,8-cineole increased considerably in inoculated plants. Besides, the applied endophytic fungi positively enhanced the ability of peppermint to alleviate the negative effect of the salinity stress.
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Affiliation(s)
- Masoumeh Khalvandi
- Department of Agronomy, Faculty of Agriculture, Shahrood University of Technology, Shahrood, Iran
- * E-mail:
| | - Mohammadreza Amerian
- Department of Agronomy, Faculty of Agriculture, Shahrood University of Technology, Shahrood, Iran
| | - Hematollah Pirdashti
- Department of Agronomy, Genetic and Agricultural Biotechnology Institute of Tabarestan, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
| | - Sara Keramati
- Department of Agronomy, Genetic and Agricultural Biotechnology Institute of Tabarestan, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
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