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Aratani Y, Uemura T, Hagihara T, Matsui K, Toyota M. Green leaf volatile sensory calcium transduction in Arabidopsis. Nat Commun 2023; 14:6236. [PMID: 37848440 PMCID: PMC10582025 DOI: 10.1038/s41467-023-41589-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 09/11/2023] [Indexed: 10/19/2023] Open
Abstract
Plants perceive volatile organic compounds (VOCs) released by mechanically- or herbivore-damaged neighboring plants and induce various defense responses. Such interplant communication protects plants from environmental threats. However, the spatiotemporal dynamics of VOC sensory transduction in plants remain largely unknown. Using a wide-field real-time imaging method, we visualize an increase in cytosolic Ca2+ concentration ([Ca2+]cyt) in Arabidopsis leaves following exposure to VOCs emitted by injured plants. We identify two green leaf volatiles (GLVs), (Z)-3-hexenal (Z-3-HAL) and (E)-2-hexenal (E-2-HAL), which increase [Ca2+]cyt in Arabidopsis. These volatiles trigger the expression of biotic and abiotic stress-responsive genes in a Ca2+-dependent manner. Tissue-specific high-resolution Ca2+ imaging and stomatal mutant analysis reveal that [Ca2+]cyt increases instantly in guard cells and subsequently in mesophyll cells upon Z-3-HAL exposure. These results suggest that GLVs in the atmosphere are rapidly taken up by the inner tissues via stomata, leading to [Ca2+]cyt increases and subsequent defense responses in Arabidopsis leaves.
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Affiliation(s)
- Yuri Aratani
- Department of Biochemistry and Molecular Biology, Saitama University, Saitama, 338-8570, Japan
| | - Takuya Uemura
- Department of Biochemistry and Molecular Biology, Saitama University, Saitama, 338-8570, Japan
| | - Takuma Hagihara
- Department of Biochemistry and Molecular Biology, Saitama University, Saitama, 338-8570, Japan
| | - Kenji Matsui
- Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Yamaguchi, 753-8515, Japan
| | - Masatsugu Toyota
- Department of Biochemistry and Molecular Biology, Saitama University, Saitama, 338-8570, Japan.
- Suntory Rising Stars Encouragement Program in Life Sciences (SunRiSE), Suntory Foundation for Life Sciences, Kyoto, 619-0284, Japan.
- Department of Botany, University of Wisconsin, Madison, WI 53706, USA.
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Sarkar AK, Sadhukhan S. Unearthing the alteration in plant volatiles induced by mycorrhizal fungi: A shield against plant pathogens. PHYSIOLOGIA PLANTARUM 2023; 175:e13845. [PMID: 36546667 DOI: 10.1111/ppl.13845] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Plants produce a large range of structurally varied low molecular weight secondary metabolites, which evaporate, known as volatile organic compounds (VOCs). Several of them are emitted in response to biotic stress as a defensive measure against pathogen attacks. Arbuscular Mycorrhizal Fungi (AMFs) can change the VOC pattern in parts of the plant and may promote plant defense via direct or indirect mechanisms. Mycorrhization of plants positively affects plant immunization along with growth and yield. The presence of AMF may raise the concentration of phenolic compounds and the activity of critical defense-related enzymes. AMF-induced changes in plant chemistry and associated volatile emissions lead to stronger immunity against pathogenic microorganisms. Despite substantial research into the origins of diversity in VOC-mediated plant communication, very little is known about the mechanism of influence of several AMFs on plant VOC emissions and modulation of plant immunization. Moreover, the molecular mechanism for VOC sensing in plants and mycorrhizal association is still unclear. In the present review, we have presented an up-to-date understanding of the cross-talk of AMF and VOC patterns in plants and the subsequent modulation of resistance against microbial pathogens.
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Affiliation(s)
- Anup Kumar Sarkar
- Department of Botany, Dukhulal Nibaran Chandra College, Murshidabad, West Bengal, India
- Plant Molecular Biology Laboratory, Department of Botany, Raiganj University, Uttar Dinajpur, West Bengal, India
| | - Sanjoy Sadhukhan
- Plant Molecular Biology Laboratory, Department of Botany, Raiganj University, Uttar Dinajpur, West Bengal, India
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Li S, Feng Z, Yuan X, Wang M, Agathokleous E. Elevated ozone inhibits isoprene emission of a diploid and a triploid genotype of Populus tomentosa by different mechanisms. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:6449-6462. [PMID: 35767843 DOI: 10.1093/jxb/erac288] [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: 02/18/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023]
Abstract
Ozone (O3) pollution affects plant growth and isoprene (ISO) emission. However, the response mechanism of isoprene emission rate (ISOrate) to elevated O3 (EO3) remains poorly understood. ISOrate was investigated in two genotypes (diploid and triploid) of Chinese white poplar (Populus tomentosa Carr.) exposed to EO3 in an open top chamber system. The triploid genotype had higher photosynthetic rate (A) and stomatal conductance (gs) than the diploid one. EO3 significantly decreased A, gs, and ISOrate of middle and lower leaves in both genotypes. In the diploid genotype, the reduction of ISOrate was caused by a systematic decrease related to ISO synthesis capacity, as indicated by decreased contents of the isoprene precursor dimethylallyl diphosphate and decreased isoprene synthase protein and activity. On the other hand, the negative effect of O3 on ISOrate of the triploid genotype did not result from inhibited ISO synthesis capacity, but from increased ISO oxidative loss within the leaf. Our findings will be useful for breeding poplar genotypes with high yield and lower ISOrate, depending on local atmospheric volatile organic compound/NOx ratio, to cope with both the rising O3 concentrations and increasing biomass demand. They can also inform the incorporation of O3 effects into process-based models of isoprene emission.
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Affiliation(s)
- Shuangjiang Li
- School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, China
- School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, China
| | - Zhaozhong Feng
- School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, China
| | - Xiangyang Yuan
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Haidian District, Beijing, China
| | - Miaomiao Wang
- Key Laboratory for Silviculture and Conservation, Ministry of Education, Beijing Forestry University, Beijing, China
| | - Evgenios Agathokleous
- School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, China
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Tani A, Koike M, Mochizuki T, Yamane M. Leaf uptake of atmospheric monocyclic aromatic hydrocarbons depends on plant species and compounds. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113433. [PMID: 35367882 DOI: 10.1016/j.ecoenv.2022.113433] [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: 02/14/2022] [Revised: 03/13/2022] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Large amounts of monocyclic aromatic hydrocarbons (MAHs) are emitted into the atmosphere, but it is unclear which compounds among MAHs are effectively removed by the above-ground parts of plants. Although fumigation experiments of MAHs at unrealistically high concentrations (~ppmv) have been conducted, experiments with ambient concentrations have scarcely been conducted. In the present study, MAHs, including benzene, toluene, phenol, benzaldehyde, and benzyl alcohol, with concentrations ranging from several to several tens ppbv, were individually fumigated to four plant species, and the uptake was monitored using proton-transfer-reaction mass spectrometry and gas chromatography-mass spectrometry. No detectable uptake was observed for benzene and toluene, but phenol, benzaldehyde, and benzyl alcohol were significantly taken up by the plants. The uptake rate normalized to fumigated concentration varied from 3 to 50 mmol m-2s-1 during the light period, depending on light intensity and compounds. The difference in uptake capability may be attributed not only to different metabolic activities but also to different values of Henry's law constant, which regulates the partitioning of these compounds into the liquid phase in leaves. The uptake of phenol, benzaldehyde, and benzyl alcohol was affected by stomatal conductance, suggesting that stomatal opening is the main factor regulating the uptake of the three MAHs. This is the first observation that anisole is emitted when phenol is fumigated to Spathiphyllum clevelandii, suggesting that phenol is methylated to anisole within plant leaves. Anisole is more volatile than phenol, meaning that methylation enhances the emission of xenobiotics into the atmosphere by converting them to more volatile compounds. This conversion ratio decreased with an increase in phenol concentration (from 1.3 to 143 ppbv). Considering low reaction rate coefficient of anisole with OH radicals and low conversion ratio from phenol to anisole, it is concluded that plants act to effectively remove oxygenated MAHs from the atmosphere.
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Affiliation(s)
- Akira Tani
- Department of Environmental Sciences, School of Food and Nutritional Sciences, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka 422-8526, Japan.
| | - Moeko Koike
- Department of Environmental Sciences, School of Food and Nutritional Sciences, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Tomoki Mochizuki
- Department of Environmental Sciences, School of Food and Nutritional Sciences, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Mizuki Yamane
- Department of Environmental Sciences, School of Food and Nutritional Sciences, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka 422-8526, Japan
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Masui N, Agathokleous E, Tani A, Matsuura H, Koike T. Plant-insect communication in urban forests: Similarities of plant volatile compositions among tree species (host vs. non-host trees) for alder leaf beetle Agelastica coerulea. ENVIRONMENTAL RESEARCH 2022; 204:111996. [PMID: 34480944 DOI: 10.1016/j.envres.2021.111996] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/21/2021] [Accepted: 08/30/2021] [Indexed: 05/22/2023]
Abstract
Behavior of insects, such as pollination and grazing, is usually determined by biogenic volatile organic compounds (BVOCs). However, particularly in O3-polluted urban forests, the BVOCs-based plant-insect communication can be disrupted by the reaction of O3 with leaf-emitted BVOCs, such as between Japanese white birch (Betula platyphylla var. japonica) and a leaf beetle (Agelastica coerulea). To understand plant-insect communication in O3-polluted environments, it is necessary to identify chemical species of BVOCs that contribute to attractiveness toward insects but are diminished by elevated O3. In this study, we conducted olfactory response tests and gas chromatography mass spectrometry (GC-MS) analyses to clarify whether there is a similarity of BVOC components among Betulaceae host trees that can explain the attraction of the stenophagous insect A. coerulea. The olfactory response tests indicated that Betulaceae host trees attract A. coerulea via leaf-emitted BVOCs, while there was no preference of the leaf beetles to non-host trees (Sorbus commixta and Morus bombycis). However, GC-MS analyses indicated that the composition of BVOC blends considerably differed among Betulaceae host trees, although alders (Alnus hirsuta and A. japonica) had a similar composition of BVOC blend in each season (June and September) during which the adult leaf beetle is active. A distinct characteristic of the emission from B. platyphylla was that 2-carene and limonene, which are O3-reactive species, were emitted with a high monoterpene ratio irrespective of the season. Thus, these volatiles and the blend could be expected to lead the disrupted communication found between B. platyphylla and A. coerulea under elevated O3 in previous field studies. In addition, our results indicated that A. coerulea is attracted to more than one blend within Betulaceae host trees, suggesting that grazing damages can be affected by different host preferences and O3 reactivity with specific BVOCs in the field. BVOCs-based plant-insect interactions should be further studied in multi-species communities to better understand plant-insect communication in O3-polluted environments.
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Affiliation(s)
- Noboru Masui
- Graduate School of Agriculture, Hokkaido University, Kita 9 Nishi 9, Kita-ku, Sapporo, 0608589, Japan.
| | - Evgenios Agathokleous
- Key Laboratory of Agrometeorology of Jiangsu Province, Department of Ecology, School of Applied Meteorology, Nanjing University of Information Science & Technology (NUIST), Nanjing, 210044, People's Republic of China.
| | - Akira Tani
- School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, 4228526, Japan.
| | - Hideyuki Matsuura
- Research Faculty of Agriculture, Hokkaido University, Sapporo, 0608589, Japan.
| | - Takayoshi Koike
- Research Faculty of Agriculture, Hokkaido University, Sapporo, 0608589, Japan.
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Ninkovic V, Markovic D, Rensing M. Plant volatiles as cues and signals in plant communication. PLANT, CELL & ENVIRONMENT 2021; 44:1030-1043. [PMID: 33047347 PMCID: PMC8048923 DOI: 10.1111/pce.13910] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/05/2020] [Accepted: 10/05/2020] [Indexed: 05/05/2023]
Abstract
Volatile organic compounds are important mediators of mutualistic interactions between plants and their physical and biological surroundings. Volatiles rapidly indicate competition or potential threat before these can take place, and they regulate and coordinate adaptation responses in neighbouring plants, fine-tuning them to match the exact stress encountered. Ecological specificity and context-dependency of plant-plant communication mediated by volatiles represent important factors that determine plant performance in specific environments. In this review, we synthesise the recent progress made in understanding the role of plant volatiles as mediators of plant interactions at the individual and community levels, highlighting the complexity of the plant receiver response to diverse volatile cues and signals and addressing how specific responses shape plant growth and survival. Finally, we outline the knowledge gaps and provide directions for future research. The complex dialogue between the emitter and receiver based on either volatile cues or signals determines the outcome of information exchange, which shapes the communication pattern between individuals at the community level and determines their ecological implications at other trophic levels.
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Affiliation(s)
- Velemir Ninkovic
- Department of EcologySwedish University of Agricultural SciencesUppsalaSweden
| | - Dimitrije Markovic
- Department of Crop Production EcologySwedish University of Agricultural SciencesUppsalaSweden
- Faculty of Agriculture, University of Banja LukaBanja LukaBosnia and Herzegovina
| | - Merlin Rensing
- Department of EcologySwedish University of Agricultural SciencesUppsalaSweden
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Bhargava B, Malhotra S, Chandel A, Rakwal A, Kashwap RR, Kumar S. Mitigation of indoor air pollutants using Areca palm potted plants in real-life settings. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:8898-8906. [PMID: 33074430 DOI: 10.1007/s11356-020-11177-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
Deterioration of indoor air quality (IAQ) has become a serious concern as people spend lots of time indoors and prolonged pollution exposure can result in adverse health outcomes. Indoor plants can phytoremediate a wide variety of indoor contaminants. Nonetheless, few experiments have demonstrated their efficacy in real-time environments. Therefore, the present study aims to experimentally assess the efficiency of Areca palm potted plants in phytoremediation of primary indoor air pollutant viz. total volatile organic compounds (TVOCs), carbon dioxide (CO2), and carbon monoxide (CO) levels from real-world indoor spaces, for the first time. Four discrete naturally ventilated experimental sites (I-IV) situated at the Council of Scientific and Industrial Research- Institute of Himalayan Bioresource Technology (CSIR-IHBT) were used. For over a period of 4 months, the sites were monitored using zero plants as a control (1-4 week), three plants (5-8 week), six plants (9-12 week), and nine plants (13-16 week), respectively. Present results indicate that Areca palm potted plants can effectively reduce the TVOCs, CO2, and CO levels by 88.16% in site IV, 52.33% and 95.70% in site III, respectively. The current study concluded that Areca palm potted plants offer an efficient, cost-effective, self-regulating, sustainable solution for improving indoor air quality and thereby human well-being and productivity in closed and confined spaces.
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Affiliation(s)
- Bhavya Bhargava
- Floriculture Laboratory, Agrotechnology of Medicinal, Aromatic and Commercially Important Plants Division, Council of Scientific and Industrial Research-Institute of Himalayan Bioresource Technology, P.O. Box 6, Palampur, (H.P.), 176061, India.
| | - Sandeep Malhotra
- Floriculture Laboratory, Agrotechnology of Medicinal, Aromatic and Commercially Important Plants Division, Council of Scientific and Industrial Research-Institute of Himalayan Bioresource Technology, P.O. Box 6, Palampur, (H.P.), 176061, India
| | - Anjali Chandel
- Floriculture Laboratory, Agrotechnology of Medicinal, Aromatic and Commercially Important Plants Division, Council of Scientific and Industrial Research-Institute of Himalayan Bioresource Technology, P.O. Box 6, Palampur, (H.P.), 176061, India
| | - Anjali Rakwal
- Floriculture Laboratory, Agrotechnology of Medicinal, Aromatic and Commercially Important Plants Division, Council of Scientific and Industrial Research-Institute of Himalayan Bioresource Technology, P.O. Box 6, Palampur, (H.P.), 176061, India
| | - Rachit Raghav Kashwap
- High Altitude Biology Division, Council of Scientific and Industrial Research-Institute of Himalayan BioresourceTechnology, P.O. Box 6, Palampur, (H.P.), 176061, India
| | - Sanjay Kumar
- Biotechnology Division, Council of Scientific and Industrial Research-Institute of Himalayan BioresourceTechnology, P.O. Box 6, Palampur, (H.P.), 176061, India
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Stupar S, Dragićević M, Tešević V, Stanković-Jeremić J, Maksimović V, Ćosić T, Devrnja N, Tubić L, Cingel A, Vinterhalter B, Ninković S, Savić J. Transcriptome Profiling of the Potato Exposed to French Marigold Essential Oil with a Special Emphasis on Leaf Starch Metabolism and Defense against Colorado Potato Beetle. PLANTS 2021; 10:plants10010172. [PMID: 33477577 PMCID: PMC7831324 DOI: 10.3390/plants10010172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/01/2021] [Accepted: 01/06/2021] [Indexed: 11/29/2022]
Abstract
Flower strips of French Marigold are commonly used pest repellents in potato fields. However, the effect of French Marigold volatiles on potato metabolism, physiology and induced defense is unknown. Thus, a microarray transcriptome analysis was performed to study the effects of French Marigold essential oil (EO) on laboratory-grown potato. After 8 h of exposure to EO, with gas chromatography/mass spectrometry (GC/MS)-detected terpinolene and limonene as dominant compounds, 2796 transcripts were differentially expressed with fold change >2 compared to expression in controls. A slightly higher number of transcripts had suppressed expression (1493 down- vs. 1303 up-regulated). Since transcripts, annotated to different photosynthesis-related processes, were mostly down-regulated, we selected a set of 10 genes involved in the leaf starch metabolism pathway, and validated microarray patterns using quantitative reverse transcription polymerase chain reaction (RT-qPCR). Except for decreased synthesis and induced decomposition of starch granule in leaves, 8 h long EO exposure slightly elevated the accumulation of sucrose compared to glucose and fructose in subjected potato plants. An in vitro feeding bioassay with Colorado potato beetle showed that EO-induced alternations on transcriptional level and in the sugars’ metabolism caused the enhancement of feeding behavior and overall development of the tested larvae. Results of comprehensive analysis of transcriptional responses in potato exposed to French Marigold EO provide a basis for further elucidation of molecular mechanisms underlying eco-physiological interactions in companion planting cropping systems.
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Affiliation(s)
- Sofija Stupar
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Milan Dragićević
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Vele Tešević
- Faculty of Chemistry, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia;
| | - Jovana Stanković-Jeremić
- Institute of Chemistry, Technology and Metallurgy, Department of Chemistry, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia;
| | - Vuk Maksimović
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11030 Belgrade, Serbia;
| | - Tatjana Ćosić
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Nina Devrnja
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Ljiljana Tubić
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Aleksandar Cingel
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Branka Vinterhalter
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Slavica Ninković
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
| | - Jelena Savić
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia; (S.S.); (M.D.); (T.Ć.); (N.D.); (L.T.); (A.C.); (B.V.); (S.N.)
- Correspondence: ; Tel.: +381-64-2048-021
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9
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Canaval E, Millet DB, Zimmer I, Nosenko T, Georgii E, Partoll EM, Fischer L, Alwe HD, Kulmala M, Karl T, Schnitzler JP, Hansel A. Rapid conversion of isoprene photooxidation products in terrestrial plants. COMMUNICATIONS EARTH & ENVIRONMENT 2020; 1:44. [PMID: 33615239 PMCID: PMC7894407 DOI: 10.1038/s43247-020-00041-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 09/22/2020] [Indexed: 05/21/2023]
Abstract
Isoprene is emitted from the biosphere into the atmosphere, and may strengthen the defense mechanisms of plants against oxidative and thermal stress. Once in the atmosphere, isoprene is rapidly oxidized, either to isoprene-hydroxy-hydroperoxides (ISOPOOH) at low levels of nitrogen oxides, or to methyl vinyl ketone (MVK) and methacrolein at high levels. Here we combine uptake rates and deposition velocities that we obtained in laboratory experiments with observations in natural forests to show that 1,2-ISOPOOH deposits rapidly into poplar leaves. There, it is converted first to cytotoxic MVK and then most probably through alkenal/ one oxidoreductase (AOR) to less toxic methyl ethyl ketone (MEK). This detoxification process is potentially significant globally because AOR enzymes are ubiquitous in terrestrial plants. Our simulations with a global chemistry-transport model suggest that around 6.5 Tg yr- of MEK are re-emitted to the atmosphere. This is the single largest MEK source presently known, and recycles 1.5% of the original isoprene flux. Eddy covariance flux measurements of isoprene and MEK over different forest ecosystems confirm that MEK emissions can reach 1-2% those of isoprene. We suggest that detoxification processes in plants are one of the most important sources of oxidized volatile organic compounds in the atmosphere.
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Affiliation(s)
- Eva Canaval
- Department of Ion Physics and Applied Physics, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
| | - Dylan B Millet
- Department of Soil, Water and Climate, University of Minnesota, 439 Borlaug Hall, St. Paul, MN, USA
| | - Ina Zimmer
- Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Tetyana Nosenko
- Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Elisabeth Georgii
- Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Eva Maria Partoll
- Department of Ion Physics and Applied Physics, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
| | - Lukas Fischer
- Department of Ion Physics and Applied Physics, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
| | - Hariprasad D Alwe
- Department of Soil, Water and Climate, University of Minnesota, 439 Borlaug Hall, St. Paul, MN, USA
| | - Markku Kulmala
- Institute for Atmospheric and Earth System Research (INAR)/Physics, University of Helsinki, Gustaf Hällströmin katu 2, 00014 Helsinki, Finland
| | - Thomas Karl
- Department of Atmospheric and Cryospheric Sciences, University of Innsbruck, Innrain 52f, 6020 Innsbruck, Austria
| | - Jörg-Peter Schnitzler
- Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Armin Hansel
- Department of Ion Physics and Applied Physics, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria
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Brilli F, Fares S, Ghirardo A, de Visser P, Calatayud V, Muñoz A, Annesi-Maesano I, Sebastiani F, Alivernini A, Varriale V, Menghini F. Plants for Sustainable Improvement of Indoor Air Quality. TRENDS IN PLANT SCIENCE 2018; 23:507-512. [PMID: 29681504 DOI: 10.1016/j.tplants.2018.03.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 02/19/2018] [Accepted: 03/05/2018] [Indexed: 06/08/2023]
Abstract
Indoor pollution poses a serious threat to human health. Plants represent a sustainable but underexploited solution to enhance indoor air quality. However, the current selection of plants suitable for indoors fails to consider the physiological processes and mechanisms involved in phytoremediation. Therefore, the capacity of plants to remove indoor air pollutants through stomatal uptake (absorption) and non-stomatal deposition (adsorption) remains largely unknown. Moreover, the effects of the indoor plant-associated microbiome still need to be fully analyzed. Here, we discuss how a combination of the enhanced phytoremediation capacity of plants together with cutting-edge air-cleaning and smart sensor technologies can improve indoor life while reducing energy consumption.
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Affiliation(s)
- Federico Brilli
- National Research Council of Italy - Institute for Sustainable Plant Protection (CNR-IPSP), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Firenze, Italy.
| | - Silvano Fares
- Council of Agricultural Research and Economics (CREA), Research Centre for Forestry and Wood, Viale Santa Margherita 80, 52100, Arezzo, Italy
| | - Andrea Ghirardo
- Research Unit Environmental Simulation, Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, Ingolstädter Landstraße 1, D-85764 Neuherberg, Germany
| | - Pieter de Visser
- Business Unit Greenhouse Horticulture, Wageningen Research, Droevendaalsesteeg 4, 6708 PB Wageningen, The Netherlands
| | - Vicent Calatayud
- Fundación CEAM, c/Charles R. Darwin 14, Parque Tecnológico, 46980 Paterna, Valencia, Spain
| | - Amalia Muñoz
- Fundación CEAM, c/Charles R. Darwin 14, Parque Tecnológico, 46980 Paterna, Valencia, Spain
| | - Isabella Annesi-Maesano
- EPAR, IPLESP Université Pierre et Marie and INSERM, Medical School Saint-Antoine, 27 rue Chaligny, 75012 Paris, France
| | - Federico Sebastiani
- National Research Council of Italy - Institute for Sustainable Plant Protection (CNR-IPSP), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Firenze, Italy
| | - Alessandro Alivernini
- Council of Agricultural Research and Economics (CREA), Research Centre for Forestry and Wood, Viale Santa Margherita 80, 52100, Arezzo, Italy
| | | | - Flavio Menghini
- CityOasis Ltd, Office 7, 35-37 Ludgate Hill, London, EC4M 7JN, UK
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Fares S, Paoletti E, Loreto F, Brilli F. Bidirectional Flux of Methyl Vinyl Ketone and Methacrolein in Trees with Different Isoprenoid Emission under Realistic Ambient Concentrations. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:7735-42. [PMID: 26030832 DOI: 10.1021/acs.est.5b00673] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Methyl vinyl ketone (MVK) and methacrolein (MAC) are key oxidation products (iox) of isoprene, the most abundant volatile organic compound (VOC) emitted by vascular plants in the atmosphere. Increasing attention has been dedicated to iox, as they are involved in the photochemical cycles ultimately leading to ozone (O3) and particle formation. However, the capacity of plants to exchange iox under low and realistic ambient concentrations of iox needs to be assessed. We hypothesized that a foliar uptake of iox exists even under realistic concentrations of iox. We tested the capacity of iox exchange in trees constitutively emitting isoprene (Populus nigra) or monoterpenes (Quercus ilex), or that do not emit isoprenoids (Paulownia imperialis). Laboratory experiments were carried out at the leaf level using enclosures under controlled environmental factors and manipulating isoprene and reactive oxygen species (ROS) production by using the isoprene specific inhibitor fosmidomycin, acute O3 exposure (300 ppbv for 4 h), and dark conditions. We also tested whether stress conditions inducing accumulation of ROS significantly enhance iox formation in the leaf, and their emission. Our results show a negligible level of constitutive iox emission in unstressed plants, and in plants treated with high O3. The uptake of iox increased linearly with exposure to increasing concentrations of ambient iox (from 0 to 6 ppbv of a 1:1 = MVK/MAC mixture) in all the investigated species, indicating iox fast removal and low compensation point in unstressed and stressed conditions. Plant capacity to take up iox should be included in global models that integrate estimates of iox formation, emission, and photochemical reactions in the atmosphere.
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Affiliation(s)
- Silvano Fares
- †Council for Agricultural Research and Economics-Research Center for the Soil-Plant System, Rome 00184, Italy
| | - Elena Paoletti
- ‡National Research Council, Institute for Sustainable Plant Protection (IPSP), Firenze 1-50019, Italy
| | - Francesco Loreto
- §National Research Council, Department of Biology, Agriculture and Food Science (DISBA), Rome 7-00185, Italy
| | - Federico Brilli
- ∥National Research Council, Institute of Agro-Environmental and Forest Biology (IBAF), Rome 7-00185, Italy
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Niinemets Ü, Fares S, Harley P, Jardine KJ. Bidirectional exchange of biogenic volatiles with vegetation: emission sources, reactions, breakdown and deposition. PLANT, CELL & ENVIRONMENT 2014; 37:1790-809. [PMID: 24635661 PMCID: PMC4289707 DOI: 10.1111/pce.12322] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Revised: 03/09/2014] [Accepted: 03/10/2014] [Indexed: 05/18/2023]
Abstract
Biogenic volatile organic compound (BVOC) emissions are widely modelled as inputs to atmospheric chemistry simulations. However, BVOC may interact with cellular structures and neighbouring leaves in a complex manner during volatile diffusion from the sites of release to leaf boundary layer and during turbulent transport to the atmospheric boundary layer. Furthermore, recent observations demonstrate that the BVOC emissions are bidirectional, and uptake and deposition of BVOC and their oxidation products are the rule rather than the exception. This review summarizes current knowledge of within-leaf reactions of synthesized volatiles with reactive oxygen species (ROS), uptake, deposition and storage of volatiles, and their oxidation products as driven by adsorption on leaf surface and solubilization and enzymatic detoxification inside leaves. The available evidence indicates that because of the reactions with ROS and enzymatic metabolism, the BVOC gross production rates are much larger than previously thought. The degree to which volatiles react within leaves and can be potentially taken up by vegetation depends upon compound reactivity, physicochemical characteristics, as well as upon their participation in leaf metabolism. We argue that future models should be based upon the concept of bidirectional BVOC exchange and consider modification of BVOC sink/source strengths by within-leaf metabolism and storage.
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Affiliation(s)
- Ülo Niinemets
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014 Tartu, Estonia
- Estonian Academy of Sciences, Kohtu 6, 10130 Tallinn, Estonia
| | - Silvano Fares
- Consiglio per la Ricerca e la Sperimentazione in Agricoltura, Centro di Ricerca per lo Studio delle Relazioni tra Pianta e Suolo, Via della Navicella 2-4, 00184 Rome, Italy
| | - Peter Harley
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014 Tartu, Estonia
| | - Kolby J. Jardine
- Climate Science Department, Earth Science Division, Lawrence Berkeley, National Laboratory, One Cyclotron Rd, building 64-241, Berkeley, CA 94720, USA
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TANI A. Fragmentation and Reaction Rate Constants of Terpenoids Determined by Proton Transfer Reaction-mass Spectrometry. ACTA ACUST UNITED AC 2013. [DOI: 10.2525/ecb.51.23] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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