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Singh AA, Ghosh A, Agrawal M, Agrawal SB. Secondary metabolites responses of plants exposed to ozone: an update. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:88281-88312. [PMID: 37440135 DOI: 10.1007/s11356-023-28634-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 07/02/2023] [Indexed: 07/14/2023]
Abstract
Tropospheric ozone (O3) is a secondary pollutant that causes oxidative stress in plants due to the generation of excess reactive oxygen species (ROS). Phenylpropanoid metabolism is induced as a usual response to stress in plants, and induction of key enzyme activities and accumulation of secondary metabolites occur, upon O3 exposure to provide resistance or tolerance. The phenylpropanoid, isoprenoid, and alkaloid pathways are the major secondary metabolic pathways from which plant defense metabolites emerge. Chronic exposure to O3 significantly accelerates the direction of carbon flows toward secondary metabolic pathways, resulting in a resource shift in favor of the synthesis of secondary products. Furthermore, since different cellular compartments have different levels of ROS sensitivity and metabolite sets, intracellular compartmentation of secondary antioxidative metabolites may play a role in O3-induced ROS detoxification. Plants' responses to resource partitioning often result in a trade-off between growth and defense under O3 stress. These metabolic adjustments help the plants to cope with the stress as well as for achieving new homeostasis. In this review, we discuss secondary metabolic pathways in response to O3 in plant species including crops, trees, and medicinal plants; and how the presence of this stressor affects their role as ROS scavengers and structural defense. Furthermore, we discussed how O3 affects key physiological traits in plants, foliar chemistry, and volatile emission, which affects plant-plant competition (allelopathy), and plant-insect interactions, along with an emphasis on soil dynamics, which affect the composition of soil communities via changing root exudation, litter decomposition, and other related processes.
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Affiliation(s)
- Aditya Abha Singh
- Department of Botany, University of Lucknow, -226007, Lucknow, India
| | - Annesha Ghosh
- Laboratory of Air Pollution and Global Climate Change, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Madhoolika Agrawal
- Laboratory of Air Pollution and Global Climate Change, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Shashi Bhushan Agrawal
- Laboratory of Air Pollution and Global Climate Change, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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Konno K. Extremely high relative growth rate makes the cabbage white, Pieris rapae, a global pest with highly abundant and migratory nature. Sci Rep 2023; 13:9697. [PMID: 37322167 PMCID: PMC10272114 DOI: 10.1038/s41598-023-36735-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 06/08/2023] [Indexed: 06/17/2023] Open
Abstract
The small cabbage white butterfly, Pieris rapae, is an extraordinarily abundant migratory pest of cabbage that causes severe damage worldwide without known reasons. I here show that the average relative growth rate (RGR: the ratio of the daily increase of biomass to total biomass) of herbivore (Gh; an indicator of the growth speed of herbivore) of P. rapae on cabbage during the larval period is larger by far than those of all other insect-plant pairs tested. It exceeds 1.15 (/day),-meaning that the biomass more than doubles each day-compared to 0.1-0.7 for most insect-plant pairs, including that of Pieris melete, a sibling of P. rapae which never becomes a pest of cabbage. My data further showed the RGR in the larval stage (larval Gh), positively correlates with abundance and/or migratoriness of insect herbivores. These results together with my mathematical food web model suggest that the extraordinarily high larval Gh of P. rapae is the primary reason for its ubiquitously severe pest status accompanied with its abundance and migratoriness, and that the RGR of herbivores, Gh, characterizing the plant-herbivore interface at the bottom of the food webs is an important factor affecting whole ecosystems, including animal abundance, fauna size, plant damage levels, competitiveness among herbivorous species, determination of hostplant, invasiveness, and the evolution of animal traits involved in the so-called r/K strategy, such as migratoriness. Knowledge about Gh will be crucial to controlling pests and improving the negative effects of human activity on ecosystems including faunal decline (or defaunation).
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Affiliation(s)
- Kotaro Konno
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), 1-2 Owashi, Tsukuba, 305-8634, Japan.
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Kozlov MV. Population dynamics of herbivorous insects in polluted landscapes. CURRENT OPINION IN INSECT SCIENCE 2022; 54:100987. [PMID: 36307065 DOI: 10.1016/j.cois.2022.100987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/02/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Environmental pollution is one cause of insect decline in the Anthropocene, but the underlying mechanisms remain obscure due to a paucity of pollution-impact studies on insects that address density-dependent processes. Long data series (19-26 years) are available only for a few species monitored around two industrial polluters in north-western Russia. A particularly exciting current finding is that industrial pollution determines the relative strength of rapid (stabilising) and delayed (destabilising) density dependence operating on a herbivore population. Most studies address acute effects of traditional pollutants (e.g. sulphur dioxide and trace elements) and nitrogen deposition on agricultural pests, whereas the effects of realistic concentrations of ozone, particulate matter and emerging pollutants on insects feeding on noncultivated plants are unknown. The accumulated evidence remains insufficient to predict the effects of pollutants of global concern on the population dynamics of herbivorous insects.
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Affiliation(s)
- Mikhail V Kozlov
- Department of Biology, University of Turku, 20014 Turku, Finland.
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Li T, Zhang Z, Ma Y, Song Y, Yang G, Han X, Zhang X. Nitrogen deposition experiment mimicked with NH 4NO 3 overestimates the effect on soil microbial community composition and functional potential in the Eurasian steppe. ENVIRONMENTAL MICROBIOME 2022; 17:49. [PMID: 36096891 PMCID: PMC9469546 DOI: 10.1186/s40793-022-00441-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The nitrogenous compound deposited from the atmosphere to the soil is complex, but most field experiments mimic nitrogen deposition with the acid NH4NO3 alone. Thus, whether the acid and non-acid nitrogenous compounds have similar effects on biodiversity and ecosystem functions remains understudied. We mimicked nitrogen deposition with acidic NH4NO3 and (NH4)2SO4, and non-acidic urea, slow-released urea and NH4HCO3 in a temperate steppe, and quantified soil microbial taxonomic and functional gene composition with amplicon sequencing and shotgun metagenomics, respectively. RESULTS While NH4NO3 and (NH4)2SO4 significantly altered the soil microbial taxonomic and functional composition as well as their carbon decomposition potential, the other three compounds had smaller effects. CONCLUSION Our results suggested that previous nitrogen deposition experiments mimicked with NH4NO3 or (NH4)2SO4 alone may have overestimated the effect on biodiversity and ecosystem functions in the Eurasian steppe and similar ecosystems affected by mainly nonacidic nitrogen deposition.
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Affiliation(s)
- Tingting Li
- Key Laboratory of Dryland Agriculture, Ministry of Agriculture, Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Zijia Zhang
- Key Laboratory of Dryland Agriculture, Ministry of Agriculture, Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
- CAS Key Laboratory of Forest Ecology and Management, Erguna Forest-Steppe Ecotone Research Station, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, China
| | - Yiping Ma
- Key Laboratory of Dryland Agriculture, Ministry of Agriculture, Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
- CAS Key Laboratory of Forest Ecology and Management, Erguna Forest-Steppe Ecotone Research Station, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, China
- Tianjin Natural History Museum, Tianjin, 300201, China
| | - Yuqian Song
- Key Laboratory of Dryland Agriculture, Ministry of Agriculture, Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Guojiao Yang
- CAS Key Laboratory of Forest Ecology and Management, Erguna Forest-Steppe Ecotone Research Station, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, China
| | - Xingguo Han
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
| | - Ximei Zhang
- Key Laboratory of Dryland Agriculture, Ministry of Agriculture, Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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Masui N, Agathokleous E, Mochizuki T, Tani A, Matsuura H, Koike T. Ozone disrupts the communication between plants and insects in urban and suburban areas: an updated insight on plant volatiles. JOURNAL OF FORESTRY RESEARCH 2021; 32:1337-1349. [PMID: 33456272 PMCID: PMC7797194 DOI: 10.1007/s11676-020-01287-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 10/29/2020] [Indexed: 05/02/2023]
Abstract
UNLABELLED Plant-insect interactions are basic components of biodiversity conservation. To attain the international Sustainable Development Goals (SDGs), the interactions in urban and in suburban systems should be better understood to maintain the health of green infrastructure. The role of ground-level ozone (O3) as an environmental stress disrupting interaction webs is presented. Ozone mixing ratios in suburbs are usually higher than in the center of cities and may reduce photosynthetic productivity at a relatively higher degree. Consequently, carbon-based defense capacities of plants may be suppressed by elevated O3 more in the suburbs. However, contrary to this expectation, grazing damages by leaf beetles have been severe in some urban centers in comparison with the suburbs. To explain differences in grazing damages between urban areas and suburbs, the disruption of atmospheric communication signals by elevated O3 via changes in plant-regulated biogenic volatile organic compounds and long-chain fatty acids are considered. The ecological roles of plant volatiles and the effects of O3 from both a chemical and a biological perspective are presented. Ozone-disrupted plant volatiles should be considered to explain herbivory phenomena in urban and suburban systems. SUPPLEMENTARY INFORMATION The online version of this article contains supplementary material available at (10.1007/s11676-020-01287-4) to authorized users.
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Affiliation(s)
- Noboru Masui
- Graduate School of Agriculture, Hokkaido University, Sapporo, Japan
| | - Evgenios Agathokleous
- Key Laboratory of Agrometeorology of Jiangsu Province, Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044 People’s Republic of China
| | - Tomoki Mochizuki
- School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan
| | - Akira Tani
- School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan
| | - Hideyuki Matsuura
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
| | - Takayoshi Koike
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
- Research Center for Eco-Environmental Science, CAS, Beijing, 100085 People’s Republic of China
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The Effects of Ozone on Herbivore-Induced Volatile Emissions of Cultivated and Wild Brassica Rapa. ATMOSPHERE 2020. [DOI: 10.3390/atmos11111213] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Since preindustrial times, concentrations of tropospheric ozone, a phytotoxic pollutant, have risen in the Northern Hemisphere. Selective breeding has intentionally modified crop plant traits to improve yield but may have altered plant defenses against abiotic and biotic stresses. This study aims to determine if cultivated and wild plants respond differently to herbivory under elevated ozone. We studied the volatile emissions of four cultivated Brassica rapa ssp. oleifera varieties and one wild population after exposure to ozone or Plutella xylostella larval feeding either individually or together. Ozone modulated the volatiles emitted in response to herbivory by all plant varieties to different extents. We did not observe a clear difference in the effects of ozone on wild and cultivated plants, but cultivated plants had higher volatile emission rates in response to herbivory and ozone had either no effect or increased the herbivore-induced response. Larvae tended to feed more on elevated ozone-treated plants; however, we could not link the increase of feeding to the change in volatile emissions. Our study complements recent studies reporting that selective breeding might not have weakened chemical defenses to biotic and abiotic stresses of cultivated plants.
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Agathokleous E, Feng Z, Oksanen E, Sicard P, Wang Q, Saitanis CJ, Araminiene V, Blande JD, Hayes F, Calatayud V, Domingos M, Veresoglou SD, Peñuelas J, Wardle DA, De Marco A, Li Z, Harmens H, Yuan X, Vitale M, Paoletti E. Ozone affects plant, insect, and soil microbial communities: A threat to terrestrial ecosystems and biodiversity. SCIENCE ADVANCES 2020; 6:eabc1176. [PMID: 32851188 PMCID: PMC7423369 DOI: 10.1126/sciadv.abc1176] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/29/2020] [Indexed: 05/03/2023]
Abstract
Elevated tropospheric ozone concentrations induce adverse effects in plants. We reviewed how ozone affects (i) the composition and diversity of plant communities by affecting key physiological traits; (ii) foliar chemistry and the emission of volatiles, thereby affecting plant-plant competition, plant-insect interactions, and the composition of insect communities; and (iii) plant-soil-microbe interactions and the composition of soil communities by disrupting plant litterfall and altering root exudation, soil enzymatic activities, decomposition, and nutrient cycling. The community composition of soil microbes is consequently changed, and alpha diversity is often reduced. The effects depend on the environment and vary across space and time. We suggest that Atlantic islands in the Northern Hemisphere, the Mediterranean Basin, equatorial Africa, Ethiopia, the Indian coastline, the Himalayan region, southern Asia, and Japan have high endemic richness at high ozone risk by 2100.
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Affiliation(s)
- Evgenios Agathokleous
- Key Laboratory of Agrometeorology of Jiangsu Province, Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Zhaozhong Feng
- Key Laboratory of Agrometeorology of Jiangsu Province, Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Elina Oksanen
- Department of Environmental and Biological Sciences, University of Eastern Finland, POB 111, 80101 Joensuu, Finland
| | - Pierre Sicard
- ARGANS, 260 route du Pin Montard, 06410 Biot, France
| | - Qi Wang
- Key Laboratory of Agrometeorology of Jiangsu Province, Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Costas J. Saitanis
- Lab of Ecology and Environmental Science, Agricultural University of Athens, Iera Odos 75, Athens 11855, Greece
| | - Valda Araminiene
- Institute of Forestry, Lithuanian Research Centre for Agriculture and Forestry, Girionys 53101 Kaunas District, Lithuania
| | - James D. Blande
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
| | - Felicity Hayes
- UK Centre for Ecology and Hydrology, Environment Centre Wales, Deiniol Road, Bangor, Gwynedd LL57 2UW, UK
| | - Vicent Calatayud
- Fundación CEAM, c/Charles R. Darwin 14, Parque Tecnológico, Paterna, Valencia 46980, Spain
| | - Marisa Domingos
- Instituto de Botânica, Núcleo de Pesquisa em Ecologia, PO Box 68041, 04045-972 São Paulo, Brazil
| | - Stavros D. Veresoglou
- Freie Universität Berlin-Institut für Biologie, Dahlem Center of Plant Sciences, Plant Ecology, Berlin, Germany
| | - Josep Peñuelas
- Consejo Superior de Investigaciones Científicas, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia E-08193, Spain
- CREAF, Cerdanyola del Vallès, Catalonia E-08193, Spain
| | - David A. Wardle
- Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Alessandra De Marco
- Italian National Agency for New Technologies, Energy and the Environment (ENEA), C.R. Casaccia, S. Maria di Galeria, Rome I-00123, Italy
| | - Zhengzhen Li
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China
| | - Harry Harmens
- UK Centre for Ecology and Hydrology, Environment Centre Wales, Deiniol Road, Bangor, Gwynedd LL57 2UW, UK
| | - Xiangyang Yuan
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China
| | - Marcello Vitale
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, Rome I-00185, Italy
| | - Elena Paoletti
- Institute of Research on Terrestrial Ecosystems (IRET), National Research Council of Italy (CNR), Via Madonna del Piano 10, I-50019 Sesto Fiorentino, Italy
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Paoletti E, Feng Z, De Marco A, Hoshika Y, Harmens H, Agathokleous E, Domingos M, Mills G, Sicard P, Zhang L, Carrari E. Challenges, gaps and opportunities in investigating the interactions of ozone pollution and plant ecosystems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 709:136188. [PMID: 31887502 DOI: 10.1016/j.scitotenv.2019.136188] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Affiliation(s)
| | - Zhaozhong Feng
- Nanjing University of Information Science and Technology, China
| | - Alessandra De Marco
- National Agency for New Technologies, Energy and Sustainable Economic Development, Italy
| | | | | | | | | | | | | | - Lu Zhang
- Northeast Agricultural University, China
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Sugai T, Okamoto S, Agathokleous E, Masui N, Satoh F, Koike T. Leaf defense capacity of Japanese elm (Ulmus davidiana var. japonica) seedlings subjected to a nitrogen loading and insect herbivore dynamics in a free air ozone-enriched environment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:3350-3360. [PMID: 31845267 DOI: 10.1007/s11356-019-06918-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 10/30/2019] [Indexed: 05/03/2023]
Abstract
Japanese elm (Ulmus davidiana var. japonica) is a native species in cool-temperate forests in Japan. We investigated growth, physiological reactions, and leaf defense capacity of Japanese elm seedlings under nitrogen (N) loading (45.3 kg N ha-1 year-1) and seasonal insect dynamics in a free-air ozone (O3)-enriched environment (about 54.5 nmol O3 mol-1) over a growing season. Higher leaf N content and lower condensed tannin content in the presence of N loading and lower condensed tannin content in elevated O3 were observed, suggesting that both N loading and elevated O3 decreased the leaf defense capacity and that N loading further enhanced the leaf quality as food resource of insect herbivores. Two major herbivores were observed on the plants, elm leaf beetle (Pyrrhalta maculicollis) and elm sawfly (Arge captiva). The peak number of observed insects was decreased by N loading. Visible foliar injury caused by N loading might directly induce the reduction of number of the observed elm sawfly individuals. While elevated O3 slightly suppressed the chemical defense capacity, significantly lower number of elm leaf beetle was observed in elevated O3. We conclude that N loading and elevated O3 can alter not only the leaf defense capacity of Japanese elm seedlings but also the dynamics of elm leaf beetle and sawfly herbivores.
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Affiliation(s)
- Tetsuto Sugai
- Silviculture and Forest Ecological Studies, Hokkaido University, Sapporo, 060-8589, Japan
- Plant Nutrient Ecology Laboratory, Hokkaido University, Sapporo, 060-8589, Japan
| | - Shota Okamoto
- Silviculture and Forest Ecological Studies, Hokkaido University, Sapporo, 060-8589, Japan
- Graduate School of Agriculture, Kyoto University, Kyoto, 606-8502, Japan
| | - Evgenios Agathokleous
- Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China
| | - Noboru Masui
- Silviculture and Forest Ecological Studies, Hokkaido University, Sapporo, 060-8589, Japan
| | - Fuyuki Satoh
- Field Science Center for Northern Biosphere, Hokkaido University, Sapporo, 060-0809, Japan
| | - Takayoshi Koike
- Silviculture and Forest Ecological Studies, Hokkaido University, Sapporo, 060-8589, Japan.
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