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Agathokleous E, Blande JD, Masui N, Calabrese EJ, Zhang J, Sicard P, Guedes RNC, Benelli G. Sublethal chemical stimulation of arthropod parasitoids and parasites of agricultural and environmental importance. ENVIRONMENTAL RESEARCH 2023; 237:116876. [PMID: 37573021 DOI: 10.1016/j.envres.2023.116876] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 08/14/2023]
Abstract
An increasing number of studies have reported stimulation of various organisms in the presence of environmental contaminants. This has created a need to critically evaluate sublethal stimulation and hormetic responses of arthropod parasitoids and parasites following exposure to pesticides and other contaminants. Examining this phenomenon with a focus on arthropods of agricultural and environmental importance serves as the framework for this literature review. This review shows that several pesticides, with diverse chemical structures and different modes of action, applied individually or in combination at sublethal doses, commonly stimulate an array of arthropod parasitoids and parasites. Exposure at sublethal doses can enhance responses related to physiology (e.g., respiration, total lipid content, and total protein content), behavior (e.g., locomotor activity, antennal drumming frequency, host location, and parasitization), and fitness (longevity, growth, fecundity, population net and gross reproduction). Concordantly, the parasitic potential (e.g., infestation efficacy, parasitization rate, and parasitoid/parasite emergence) can be increased, and as a result host activities inhibited. There is some evidence illustrating hormetic dose-responses, but the relevant literature commonly included a limited number and range of doses, precluding a robust differentiation between sub- and superNOAEL (no-observed-adverse-effect level) stimulation. These results reveal a potentially significant threat to ecological health, through stimulation of harmful parasitic organisms by environmental contaminants, and highlight the need to include sublethal stimulation and hormetic responses in relevant ecological pesticide risk assessments. Curiously, considering a more utilitarian view, hormesis may also assist in optimizing mass rearing of biological control agents for field use, a possibility that also remains neglected.
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Affiliation(s)
- Evgenios Agathokleous
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), Nanjing University of Information Science & Technology, Nanjing, 210044, Jiangsu, China; Research Center for Global Changes and Ecosystem Carbon Sequestration & Mitigation, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing, 210044, Jiangsu, China.
| | - James D Blande
- Department of Environmental and Biological Sciences, University of Eastern Finland, P. O. Box 1627, 70211, Kuopio, Finland
| | - Noboru Masui
- School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, 4228526, Japan
| | - Edward J Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA, 01003, USA
| | - Jing Zhang
- College of Ecological Technology and Engineering, Shanghai Institute of Technology, Shanghai, 201418, PR China
| | | | - Raul Narciso C Guedes
- Departamento de Entomologia, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment, University of Pisa, Via Del Borghetto 80, 56124, Pisa, Italy
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Woźniak A, Kęsy J, Glazińska P, Glinkowski W, Narożna D, Bocianowski J, Rucińska-Sobkowiak R, Mai VC, Krzesiński W, Samardakiewicz S, Borowiak-Sobkowiak B, Labudda M, Jeandet P, Morkunas I. The Influence of Lead and Acyrthosiphon pisum (Harris) on Generation of Pisum sativum Defense Signaling Molecules and Expression of Genes Involved in Their Biosynthesis. Int J Mol Sci 2023; 24:10671. [PMID: 37445848 PMCID: PMC10341517 DOI: 10.3390/ijms241310671] [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: 04/29/2023] [Revised: 06/04/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
The main aim of this study was to understand the regulation of the biosynthesis of phytohormones as signaling molecules in the defense mechanisms of pea seedlings during the application of abiotic and biotic stress factors. It was important to identify this regulation at the molecular level in Pisum sativum L. seedlings under the influence of various concentrations of lead-i.e., a low concentration increasing plant metabolism, causing a hormetic effect, and a high dose causing a sublethal effect-and during feeding of a phytophagous insect with a piercing-sucking mouthpart-i.e., pea aphid (Acyrthosiphon pisum (Harris)). The aim of the study was to determine the expression level of genes encoding enzymes of the biosynthesis of signaling molecules such as phytohormones-i.e., jasmonates (JA/MeJA), ethylene (ET) and abscisic acid (ABA). Real-time qPCR was applied to analyze the expression of genes encoding enzymes involved in the regulation of the biosynthesis of JA/MeJA (lipoxygenase 1 (LOX1), lipoxygenase 2 (LOX2), 12-oxophytodienoate reductase 1 (OPR1) and jasmonic acid-amido synthetase (JAR1)), ET (1-aminocyclopropane-1-carboxylate synthase 3 (ACS3)) and ABA (9-cis-epoxycarotenoid dioxygenase (NCED) and aldehyde oxidase 1 (AO1)). In response to the abovementioned stress factors-i.e., abiotic and biotic stressors acting independently or simultaneously-the expression of the LOX1, LOX2, OPR1, JAR1, ACS3, NCED and AO1 genes at both sublethal and hormetic doses increased. Particularly high levels of the relative expression of the tested genes in pea seedlings growing at sublethal doses of lead and colonized by A. pisum compared to the control were noticeable. A hormetic dose of lead induced high expression levels of the JAR1, OPR1 and ACS3 genes, especially in leaves. Moreover, an increase in the concentration of phytohormones such as jasmonates (JA and MeJA) and aminococyclopropane-1-carboxylic acid (ACC)-ethylene (ET) precursor was observed. The results of this study indicate that the response of pea seedlings to lead and A. pisum aphid infestation differed greatly at both the gene expression and metabolic levels. The intensity of these defense responses depended on the organ, the metal dose and direct contact of the stress factor with the organ.
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Affiliation(s)
- Agnieszka Woźniak
- Department of Plant Physiology, Faculty of Agriculture, Horticulture and Bioengineering, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznan, Poland;
| | - Jacek Kęsy
- Department of Plant Physiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Torun, Poland; (J.K.); (P.G.); (W.G.)
| | - Paulina Glazińska
- Department of Plant Physiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Torun, Poland; (J.K.); (P.G.); (W.G.)
| | - Wojciech Glinkowski
- Department of Plant Physiology and Biotechnology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Torun, Poland; (J.K.); (P.G.); (W.G.)
| | - Dorota Narożna
- Department of Biochemistry and Biotechnology, Faculty of Agriculture, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznan, Poland;
| | - Jan Bocianowski
- Department of Mathematical and Statistical Methods, Faculty of Agriculture, Horticulture and Bioengineering, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland;
| | - Renata Rucińska-Sobkowiak
- Department of Plant Ecophysiology, Faculty of Biology, Adam Mickiewicz University, Uniwersytetu Poznańskiego 6, 61-614 Poznan, Poland;
| | - Van Chung Mai
- Department of Biology and Application, Faculty of Biology, Vinh University, Le Duan 182, 43108 Vinh, Nghe An Province, Vietnam;
| | - Włodzimierz Krzesiński
- Department of Vegetable Crops, Faculty of Agriculture, Horticulture and Bioengineering, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznan, Poland;
| | - Sławomir Samardakiewicz
- Laboratory of Electron and Confocal Microscopy, Faculty of Biology, Adam Mickiewicz University, Uniwersytetu Poznańskiego 6, 61-614 Poznan, Poland;
| | - Beata Borowiak-Sobkowiak
- Department of Entomology and Environmental Protection, Faculty of Agriculture, Horticulture and Bioengineering, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznan, Poland;
| | - Mateusz Labudda
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland;
| | - Philippe Jeandet
- Research Unit “Induced Resistance and Plant Bioprotection”, RIBP USC-INRAe 1488, University of Reims, 51100 Reims, France;
| | - Iwona Morkunas
- Department of Plant Physiology, Faculty of Agriculture, Horticulture and Bioengineering, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznan, Poland;
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Morales-Silva T, Silva BC, Faria LDB. Soil contamination with permissible levels of lead negatively affects the community of plant-associated insects: A case of study with kale. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 304:119143. [PMID: 35301032 DOI: 10.1016/j.envpol.2022.119143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/09/2022] [Accepted: 03/12/2022] [Indexed: 06/14/2023]
Abstract
This study investigated whether lead (Pb), at concentrations allowed for soil, affects the community of insects that live in the aerial part of plants. We evaluated the effect of Pb concentrations on accumulated species richness, composition, and abundance of different functional groups of insects. Kale plants were grown in soil experimentally contaminated with four concentrations of lead nitrate: 0 (control), 144 (T1), 360 (T2), and 600 (T3) mg/kg of soil. The experiment was conducted in an open greenhouse for the natural colonization of insects. Insects were collected twice using trap bags attached to the plant leaf and by direct removal. The concentration of Pb in the stem and leaf samples increased with the increased soil contamination, even showing values above the limit allowed by the legislation for this plant species. Control plants showed a higher richness of accumulated insect species. In addition, the treatments had an effect on the community composition, in which Diaeretiella rapae (primary parasitoid) was found as an indicator of the control + T1 treatments and the top species Pachyneuron sp. (parasitoid of predators) was associated with the control. The abundance of chewing and sucking herbivores, their respective parasitoids, predators, and parasitoids of predators were negatively affected. Hyperparasitoid abundance was not affected, but their accumulated species richness was. This study was innovative in demonstrating that soil contamination by different concentrations of a heavy metal (Pb) can negatively affect the community of plant-associated insects, even at concentrations allowed for soil, reflecting possible damage to the ecosystem.
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Affiliation(s)
- Tiago Morales-Silva
- Programa de Pós-Graduação em Entomologia, Universidade Federal de Lavras, Mailbox 3037, Lavras, MG, 37200-900, Brazil.
| | - Bruna C Silva
- Programa de Pós-Graduação em Entomologia, Universidade Federal de Lavras, Mailbox 3037, Lavras, MG, 37200-900, Brazil
| | - Lucas D B Faria
- Departamento de Ecologia e Conservação, Instituto de Ciências Naturais, Universidade Federal de Lavras, Mailbox 3037, Lavras, MG, 37200-900, Brazil
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Navazas A, Mesa V, Thijs S, Fuente-Maqueda F, Vangronsveld J, Peláez AI, Cuypers A, González A. Bacterial inoculant-assisted phytoremediation affects trace element uptake and metabolite content in Salix atrocinerea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 820:153088. [PMID: 35063508 DOI: 10.1016/j.scitotenv.2022.153088] [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: 08/24/2021] [Revised: 12/23/2021] [Accepted: 01/09/2022] [Indexed: 06/14/2023]
Abstract
Natural plant-associated microorganisms are of critical importance to plant growth and survival in field conditions under toxic concentrations of trace elements (TE) and these plant-microbial processes can be harnessed to enhance phytoremediation. The total bacterial diversity from grey willow (Salix atrocinerea) on a brownfield heavily-polluted with lead (Pb) and arsenic (As) was studied through pyrosequencing. Culturable bacteria were isolated and in vitro tested for plant growth-promotion (PGP) traits, arsenic (As) tolerance and impact on As speciation. Two of the most promising bacterial strains - the root endophyte Pantoea sp. AV62 and the rhizospheric strain Rhodococcus erythropolis AV96 - were inoculated in field to S. atrocinerea. This bioaugmentation resulted in higher As and Pb concentrations in both, roots and leaves of bacterial-inoculated plants as compared to non-inoculated plants. In consequence, bacterial bioaugmentation also affected parameters related to plant growth, oxidative stress, the levels of phytochelatins and phenylpropanoids, together with the differential expression of genes related to these tolerance mechanisms to TE in leaves. This study extends our understanding about plant-bacterial interactions and provides a solid basis for further bioaugmentation studies aiming to improve TE phytoremediation efficiency and predictability in the field.
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Affiliation(s)
- Alejandro Navazas
- Department of Organisms and Systems Biology, Area of Plant Physiology, University of Oviedo, Catedrático Rodrigo Uría s/n, 33006 Oviedo, Spain; Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, B-3590 Diepenbeek, Belgium
| | - Victoria Mesa
- Faculty of Pharmacy, Université de Paris, UMR-S1139, F-75006 Paris, France
| | - Sofie Thijs
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, B-3590 Diepenbeek, Belgium
| | | | - Jaco Vangronsveld
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, B-3590 Diepenbeek, Belgium; Department of Plant Physiology and Biophysics, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Lublin, Poland
| | - Ana I Peláez
- Area of Microbiology, Department of Functional Biology and Environmental Biogeochemistry and Raw Materials Group, University of Oviedo, Oviedo, Spain; University Institute of Biotechnology of Asturias (IUBA), University of Oviedo, Oviedo, Spain
| | - Ann Cuypers
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, B-3590 Diepenbeek, Belgium
| | - Aida González
- Department of Organisms and Systems Biology, Area of Plant Physiology, University of Oviedo, Catedrático Rodrigo Uría s/n, 33006 Oviedo, Spain.
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González-Moscoso M, Juárez-Maldonado A, Cadenas-Pliego G, Meza-Figueroa D, SenGupta B, Martínez-Villegas N. Silicon nanoparticles decrease arsenic translocation and mitigate phytotoxicity in tomato plants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:34147-34163. [PMID: 35034295 DOI: 10.1007/s11356-021-17665-2] [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: 04/30/2021] [Accepted: 11/17/2021] [Indexed: 06/14/2023]
Abstract
In this study, we simulate the irrigation of tomato plants with arsenic (As)-contaminated water (from 0 to 3.2 mg L-1) and investigate the effect of the application of silicon nanoparticle (Si NPs) in the form of silicon dioxide (0, 250, and 1000 mg L-1) on As uptake and stress. Arsenic concentrations were determined in substrate and plant tissue at three different stratums. Phytotoxicity, As accumulation and translocation, photosynthetic pigments, and antioxidant activity of enzymatic and non-enzymatic compounds were also determined. Our results show that irrigation of tomato plants with As-contaminated water caused As substrate enrichment and As bioaccumulation (roots > leaves > steam), showing that the higher the concentration in irrigation water, the farther As translocated through the different tomato stratums. Additionally, phytotoxicity was observed at low concentrations of As, while tomato yield increased at high concentrations of As. We found that application of Si NPs decreased As translocation, tomato yield, and root biomass. Increased production of photosynthetic pigments and improved enzymatic activity (CAT and APX) suggested tomato plant adaptation at high As concentrations in the presence of Si NPs. Our results reveal likely impacts of As and nanoparticles on tomato production in places where As in groundwater is common and might represent a risk.
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Affiliation(s)
- Magín González-Moscoso
- Doctorado en Agricultura Protegida, Universidad Autónoma Agraria Antonio Narro, Calzada Antonio Narro 1923, Buenavista, 25315, Saltillo, Coahuila, México
| | - Antonio Juárez-Maldonado
- Departamento de Botánica, Universidad Autónoma Agraria Antonio Narro, Calzada Antonio Narro 1923, 25315, Saltillo, Coahuila, México
| | - Gregorio Cadenas-Pliego
- Centro de Investigación en Química Aplicada, Enrique Reyna H 140, 25294, Saltillo, Coahuila, México
| | - Diana Meza-Figueroa
- Departamento de Geología, Universidad de Sonora, Blvd. Luis Encinas J, Calle Av. Rosales &, Centro, 83000, Hermosillo, Sonora, México
| | - Bhaskar SenGupta
- School of Energy, Geoscience, Infrastructure & Society, Water Academy, Heriot-Watt University, EGIS 2.02A William Arrol Building, Scotland, EH14 4AS, UK
| | - Nadia Martínez-Villegas
- IPICyT, Instituto Potosino de Investigación Científica Y Tecnológica, Camino a La Presa San José No. 2055, Col. Lomas 4a Sec., 78216, San Luis Potosí, SLP, México.
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Li J, Galla A, Avila CA, Flattmann K, Vaughn K, Goggin FL. Fatty Acid Desaturases in the Chloroplast and Endoplasmic Reticulum Promote Susceptibility to the Green Peach Aphid Myzus persicae in Arabidopsis thaliana. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2021; 34:691-702. [PMID: 33596108 DOI: 10.1094/mpmi-12-20-0345-r] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Fatty acid desaturases (FADs) in plants influence levels of susceptibility to multiple stresses, including insect infestations. In this study, populations of the green peach aphid (Myzus persicae) on Arabidopsis thaliana were reduced by mutations in three desaturases: AtFAB2/SSI2, which encodes a chloroplastic stearoyl-[acyl-carrier-protein] 9-desaturase, and AtFAD7 or AtFAD3, which encode ω-3 FADs in the chloroplast and endoplasmic reticulum (ER), respectively. These data indicate that certain FADs promote susceptibility to aphids and that aphids are impacted by desaturases in both the chloroplast and ER. Aphid resistance in ssi2, fad3, and fad7, singly or in combination, might involve altered signaling between these subcellular compartments. C18:1 levels are depleted in ssi2, whereas C18:2 accumulation is enhanced in fad3 and fad7. In contrast, fad8 has higher than normal C18:2 levels but also high C18:1 and low C18:0 and does not impact aphid numbers. Potentially, aphids may be influenced by the balance of multiple fatty acids (FAs) rather than by a single species, with C18:2 promoting aphid resistance and C18:1 promoting susceptibility. Although the fad7 mutant also accumulates higher-than-normal levels of C16:2, this FA does not contribute to aphid resistance because a triple mutant line that lacks detectable levels of C16:2 (fad2fad6fad7) retains comparable levels of aphid resistance as fad7. In addition, aphid numbers are unaffected by the fad5 mutation that inhibits C16:1 synthesis. Together, these results demonstrate that certain FADs are important susceptibility factors in plant-aphid interactions and that aphid resistance is more strongly associated with differences in C18 abundance than C16 abundance.[Formula: see text] Copyright © 2021 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Jiamei Li
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR 72701, U.S.A
| | - Aravind Galla
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR 72701, U.S.A
| | - Carlos A Avila
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR 72701, U.S.A
| | - Kaitlin Flattmann
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR 72701, U.S.A
| | - Kaleb Vaughn
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR 72701, U.S.A
| | - Fiona L Goggin
- Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR 72701, U.S.A
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Navazas A, Thijs S, Feito I, Vangronsveld J, Peláez AI, Cuypers A, González A. Arsenate-reducing bacteria affect As accumulation and tolerance in Salix atrocinerea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 769:144648. [PMID: 33736260 DOI: 10.1016/j.scitotenv.2020.144648] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 12/18/2020] [Accepted: 12/18/2020] [Indexed: 06/12/2023]
Abstract
Arsenic (As)-reducing bacteria are able to influence As-speciation and, in this way, change As bio-availability. In consequence, this has an impact on As uptake by plants growing on polluted soil and on the effectiveness of the phytoremediation process. To be able to efficiently utilize these bacteria for As-phytoremediation in the field, a better understanding of the plant-bacterial interactions involved in As-tolerance or toxicity is needed. In this work, seedlings of a clone of Salix atrocinerea derived from a specimen naturally growing on an As-polluted brownfield were grown under gnotobiotic conditions exposed to As, and in the presence or absence of two of its field-associated and in vitro characterized plant growth-promoting (PGP) bacteria. The inoculation with Pantoea sp., induced a moderate reduction of AsV to AsIII in the exposure medium that, together with a coordinated plant response of As uptake, chelation and sequestration, increased As accumulation in roots; which is reflected into a higher phytostabilization. However, inoculation with Rhodococcus erythropolis due to a higher disproportionate reduction of AsV to AsIII in the medium caused less As accumulation in roots that non-bioaugmented plants and despite the lower As content, the concentrations of AsIII present in the medium and the damage suffered in roots and leaves, indicated that As tolerance mechanisms (such as prevention of AsIII uptake and efflux) did not occur in time to avoid physical disturbance and plants growth reduction. Interestingly, by two different metabolic pathways -coordinated by different key transporters mediating As uptake, tolerance, distribution and vacuolar accumulation at the roots- both bacteria limited As accumulation in Salix shoots. Our results provide for the first time a detailed insight in the plant-bacterial responses and physiological changes contributing to As tolerance in S. atrocinerea, that will facilitate the design of effective strategies for exploitation of plant-associated microorganisms for phytoremediation.
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Affiliation(s)
- Alejandro Navazas
- Department of Organisms and Systems Biology, Area of Plant Physiology-IUBA, University of Oviedo, Catedrático Rodrigo Uría s/n, 33006 Oviedo, Spain; Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, 3590 Diepenbeek, Belgium
| | - Sofie Thijs
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, 3590 Diepenbeek, Belgium
| | - Isabel Feito
- Agri-Food Research and Development Service, Forestry Program, La Mata s/n, 33825 Grado, Spain
| | - Jaco Vangronsveld
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, 3590 Diepenbeek, Belgium; Department of Plant Physiology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Lublin, Poland
| | - Ana I Peláez
- Department of Functional Biology - Area of Microbiology-IUBA, University of Oviedo, Oviedo, Spain
| | - Ann Cuypers
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, 3590 Diepenbeek, Belgium
| | - Aida González
- Department of Organisms and Systems Biology, Area of Plant Physiology-IUBA, University of Oviedo, Catedrático Rodrigo Uría s/n, 33006 Oviedo, Spain.
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Rybak M, Drzewiecka K, Woźniak M, Ratajczak I, Joniak T. Iron-induced behavioural and biochemical responses of charophytes in consequence of phosphates coagulant addition: Threats to lake ecosystems restoration. CHEMOSPHERE 2020; 254:126844. [PMID: 32957274 DOI: 10.1016/j.chemosphere.2020.126844] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/16/2020] [Accepted: 04/18/2020] [Indexed: 06/11/2023]
Abstract
The study aimed to evaluate the impact of iron (Fe) on the physiological and behavioural reaction of Chara tomentosa L. Fe was introduced into the environment in the form of iron chloride, the most common coagulants used in the restoration of water bodies. The investigations concerned the oxidative stress comprising phenolic compounds content, antioxidant activity and photosynthetic pigments concentration. Research was conducted as a laboratory microcosm experiment with one-off application of Fe at the level of 26.8 mg dm-3. Coagulant application caused short-term acidification, increased salinity and deterioration of light conditions. The shading resulted initially from the increase of water colour and turbidity and was followed by covering of the charophytes with a precipitated suspension. C. tomentosa did not activate defensive mechanisms to prevent the shading effect such as intensive elongation and elevated concentration of chlorophylls. Neither oxidative stress nor production of stress-specific phenolic metabolites was found. It was a result of iron coagulant toxicity, which led to cell membrane damage and leakage of cell contents to the water environment. Charophyte growth was significantly impaired, and thalli suffered numerous chlorotic and necrotic spots which extended gradually during experiment and finally caused death of specimens.
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Affiliation(s)
- Michał Rybak
- Department of Water Protection, Institute of Environmental Biology, Faculty of Biology, Adam Mickiewicz University, Poznań, Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland
| | - Kinga Drzewiecka
- Department of Chemistry, Faculty of Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Magdalena Woźniak
- Department of Chemistry, Faculty of Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Izabela Ratajczak
- Department of Chemistry, Faculty of Wood Technology, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Tomasz Joniak
- Department of Water Protection, Institute of Environmental Biology, Faculty of Biology, Adam Mickiewicz University, Poznań, Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland.
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Koch KG, Palmer NA, Donze-Reiner T, Scully ED, Seravalli J, Amundsen K, Twigg P, Louis J, Bradshaw JD, Heng-Moss TM, Sarath G. Aphid-Responsive Defense Networks in Hybrid Switchgrass. FRONTIERS IN PLANT SCIENCE 2020; 11:1145. [PMID: 32849703 PMCID: PMC7412557 DOI: 10.3389/fpls.2020.01145] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/14/2020] [Indexed: 05/30/2023]
Abstract
Aphid herbivory elicits plant defense-related networks that are influenced by host genetics. Plants of the upland switchgrass (Panicum virgatum) cultivar Summer can be a suitable host for greenbug aphids (Schizaphis graminum; GB), and yellow sugarcane aphids (Sipha flava, YSA), whereas the lowland cultivar Kanlow exhibited multi-species resistance that curtails aphid reproduction. However, stabilized hybrids of Summer (♀) x Kanlow (♂) (SxK) with improved agronomics can be damaged by both aphids. Here, hormone and metabolite analyses, coupled with RNA-Seq analysis of plant transcriptomes, were utilized to delineate defense networks induced by aphid feeding in SxK switchgrass and pinpoint plant transcription factors (TFs), such as WRKYs that potentially regulate these responses. Abscisic acid (ABA) levels were significantly higher in GB infested plants at 5 and 10 days after infestation (DAI). ABA levels were highest at 15DAI in YSA infested plants. Jasmonic acid levels were significantly elevated under GB infestation, while salicylic acid levels were signifi40cantly elevated only at 15 DAI in YSA infested plants. Similarly, levels of several metabolites were altered in common or specifically to each aphid. YSA infestation induced a significant enrichment of flavonoids consistent with an upregulation of many genes associated with flavonoid biosynthesis at 15DAI. Gene co-expression modules that responded singly to either aphid or in common to both aphids were differentiated and linked to specific TFs. Together, these data provide important clues into the interplay of metabolism and transcriptional remodeling accompanying defense responses to aphid herbivory in hybrid switchgrass.
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Affiliation(s)
- Kyle G. Koch
- Department of Entomology, University of Nebraska at Lincoln, Lincoln, NE, United States
| | - Nathan A. Palmer
- Wheat, Sorghum, and Forage Research Unit, USDA-ARS, Lincoln, NE, United States
- Department of Agronomy and Horticulture, University of Nebraska at Lincoln, Lincoln, NE, United States
| | - Teresa Donze-Reiner
- Biology Department, West Chester University of Pennsylvania, West Chester, PA, United States
| | - Erin D. Scully
- Stored Product Insect and Engineering Research Unit, USDA-ARS, Manhattan, KS, United States
| | - Javier Seravalli
- Redox Biology Center, Department of Biochemistry, University of Nebraska at Lincoln, Lincoln, NE, United States
| | - Keenan Amundsen
- Department of Agronomy and Horticulture, University of Nebraska at Lincoln, Lincoln, NE, United States
| | - Paul Twigg
- Biology Department, University of Nebraska at Kearney, Kearney, NE, United States
| | - Joe Louis
- Department of Entomology, University of Nebraska at Lincoln, Lincoln, NE, United States
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Jeffrey D. Bradshaw
- Department of Entomology, University of Nebraska at Lincoln, Lincoln, NE, United States
| | | | - Gautam Sarath
- Wheat, Sorghum, and Forage Research Unit, USDA-ARS, Lincoln, NE, United States
- Department of Agronomy and Horticulture, University of Nebraska at Lincoln, Lincoln, NE, United States
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10
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Wang C, Tian B, Yu Z, Ding J. Effect of Different Combinations of Phosphorus and Nitrogen Fertilization on Arbuscular Mycorrhizal Fungi and Aphids in Wheat. INSECTS 2020; 11:E365. [PMID: 32545401 PMCID: PMC7349843 DOI: 10.3390/insects11060365] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 06/04/2020] [Accepted: 06/09/2020] [Indexed: 11/17/2022]
Abstract
While chemical fertilizers can be used to increase crop yield, the abuse of fertilizers aggravates environmental pollution and soil degradation. Understanding the effects of chemical fertilizers on the interaction between arbuscular mycorrhizal fungi (AMF) and pest insects is of great benefit to crop and environmental protection, because AMF can enhance the nutrition absorption and insect resistance of crops. This study tested the effect of different levels of phosphorus, nitrogen, and their interactions on AMF, secondary metabolites, Sitobion avenae in garden, as well as the wheat traits in field. The results showed that AMF colonization on roots in the P0N1 treatment (0 g P/pot, 1.3083 g N/pot in the garden, and 0 g P/plot, 299.84 g N/plot) was the highest in both the garden and the field. The abundance of aphid was reduced in the P0N1 treatment, and there were negative relationships between aphids and AMF and phenolics, but a positive relationship between AMF and phenolics. Our results indicated that a change in the ratio of phosphorus to nitrogen affects the relationship among AMF, aphid abundance, and metabolites. The results also suggested an approach to save chemical fertilizers that could improve crop health and protect the agroecosystem against pollution at the same time.
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Affiliation(s)
- Chao Wang
- School of Life Sciences, Henan University, Jin Ming Avenue, Kaifeng 475004, Henan, China; (C.W.); (Z.Y.)
- State Key Laboratory of Crop Stress Adaptation and Improvement, Jin Ming Avenue, Kaifeng 475004, Henan, China
| | - Baoliang Tian
- School of Life Sciences, Henan University, Jin Ming Avenue, Kaifeng 475004, Henan, China; (C.W.); (Z.Y.)
- State Key Laboratory of Crop Stress Adaptation and Improvement, Jin Ming Avenue, Kaifeng 475004, Henan, China
| | - Zhenzhen Yu
- School of Life Sciences, Henan University, Jin Ming Avenue, Kaifeng 475004, Henan, China; (C.W.); (Z.Y.)
- State Key Laboratory of Crop Stress Adaptation and Improvement, Jin Ming Avenue, Kaifeng 475004, Henan, China
| | - Jianqing Ding
- School of Life Sciences, Henan University, Jin Ming Avenue, Kaifeng 475004, Henan, China; (C.W.); (Z.Y.)
- State Key Laboratory of Crop Stress Adaptation and Improvement, Jin Ming Avenue, Kaifeng 475004, Henan, China
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11
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Muszyńska E, Labudda M, Kral A. Ecotype-Specific Pathways of Reactive Oxygen Species Deactivation in Facultative Metallophyte Silene Vulgaris (Moench) Garcke Treated with Heavy Metals. Antioxidants (Basel) 2020; 9:E102. [PMID: 31991666 PMCID: PMC7070611 DOI: 10.3390/antiox9020102] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 01/17/2020] [Accepted: 01/22/2020] [Indexed: 12/31/2022] Open
Abstract
This research aimed to indicate mechanisms involved in protection against the imbalanced generation of reactive oxygen species (ROS) during heavy metals (HMs) exposition of Silene vulgaris ecotypes with different levels of metal tolerance. Specimens of non-metallicolous (NM), calamine (CAL), and serpentine (SER) ecotypes were treated in vitro with Zn, Pb, and Cd ions applied simultaneously in concentrations that reflected their contents in natural habitats of the CAL ecotype (1× HMs) and 2.5- or 5.0-times higher than the first one. Our findings confirmed the sensitivity of the NM ecotype and revealed that the SER ecotype was not fully adapted to the HM mixture, since intensified lipid peroxidation, ultrastructural alternations, and decline in photosynthetic pigments' content were ascertained under HM treatment. These changes resulted from insufficient antioxidant defense mechanisms based only on ascorbate peroxidase (APX) activity assisted (depending on HMs concentration) by glutathione-S-transferase (GST) and peroxidase activity at pH 6.8 in the NM ecotype or by GST and guaiacol-type peroxidase in the SER one. In turn, CAL specimens showed a hormetic reaction to 1× HMs, which manifested by both increased accumulation of pigments and most non-enzymatic antioxidants and enhanced activity of catalase and enzymes from the peroxidase family (with the exception of APX). Interestingly, no changes in superoxide dismutase activity were noticed in metallicolous ecotypes. To sum up, the ROS scavenging pathways in S. vulgaris relied on antioxidants specific to the respective ecotypes, however the synthesis of polyphenols was proved to be a universal reaction to HMs.
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Affiliation(s)
- Ewa Muszyńska
- Department of Botany, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, Building 37, 02-776 Warsaw, Poland;
| | - Mateusz Labudda
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, Building 37, 02-776 Warsaw, Poland;
| | - Adam Kral
- Department of Botany, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, Building 37, 02-776 Warsaw, Poland;
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12
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Woźniak A, Bednarski W, Dancewicz K, Gabryś B, Borowiak-Sobkowiak B, Bocianowski J, Samardakiewicz S, Rucińska-Sobkowiak R, Morkunas I. Oxidative stress links response to lead and Acyrthosiphon pisum in Pisum sativum L. JOURNAL OF PLANT PHYSIOLOGY 2019; 240:152996. [PMID: 31352020 DOI: 10.1016/j.jplph.2019.152996] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 06/08/2019] [Accepted: 06/11/2019] [Indexed: 05/20/2023]
Abstract
This study demonstrates the impact of lead at hormetic (0.075 mM Pb(NO3)2) and sublethal (0.5 mM Pb(NO3)2) doses on the intensity of oxidative stress in pea seedlings (Pisum sativum L. cv. 'Cysterski'). Our first objective was to determine how exposure of pea seedlings to Pb alters the plant defence responses to pea aphid (Acyrthosiphon pisum Harris), and whether these responses could indirectly affect A. pisum. The second objective was to investigate the effects of various Pb concentrations in the medium on demographic parameters of pea aphid population and the process of its feeding on edible pea. We found that the dose of Pb sublethal for pea seedlings strongly reduced net reproductive rate and limited the number of A. pisum individuals reaching the phloem. An important defence line of pea seedlings growing on Pb-supplemented medium and next during combinatory effect of the two stressors Pb and A. pisum was a high generation of superoxide anion (O2-). This was accompanied by a considerable reduction in superoxide dismutase (SOD) activity, and a decrease in the level of Mn2+ ions. A the same time, weak activity of Mn-SOD was detected in the roots of the seedlings exposed to the sublethal dose of Pb and during Pb and aphid interaction. Apart from the marked increase in O2-, an increase in semiquinone radicals occurred, especially in the roots of the seedlings treated with the sublethal dose of Pb and both infested and non-infested with aphids. Also, hydrogen peroxide (H2O2) generation markedly intensified in aphid-infested leaves. It reached the highest level 24 h post infestation (hpi), mainly in the cell wall of leaf epidermis. This may be related to the function of H2O2 as a signalling molecule that triggers defence mechanisms. The activity of peroxidase (POX), an important enzyme involved in scavenging H2O2, was also high at 24 hpi and at subsequent time points. Moreover, the contents of thiobarbituric acid reactive substances (TBARS), products of lipid peroxidation, rose but to a small degree thanks to an efficient antioxidant system. Total antioxidant capacity (TAC) dependent on the pool of fast antioxidants, both in infested and non-infested and leaves was higher than in the control. In conclusion, the reaction of pea seedlings to low and sublethal doses of Pb and then A. pisum infestation differed substantially and depended on a direct contact of the stress factor with the organ (Pb with roots and A. pisum with leaves). The probing behavior of A. pisum also depended on Pb concentration in the plant tissues.
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Affiliation(s)
- Agnieszka Woźniak
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637, Poznań, Poland
| | - Waldemar Bednarski
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179, Poznań, Poland
| | - Katarzyna Dancewicz
- Department of Botany and Ecology, University of Zielona Góra, Prof. Z. Szafrana 1, 65-516, Zielona Góra, Poland
| | - Beata Gabryś
- Department of Botany and Ecology, University of Zielona Góra, Prof. Z. Szafrana 1, 65-516, Zielona Góra, Poland
| | - Beata Borowiak-Sobkowiak
- Department of Entomology and Environmental Protection, Poznań University of Life Sciences, Dąbrowskiego 159, Poznań, 60-594, Poland
| | - Jan Bocianowski
- Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637, Poznań, Poland
| | - Sławomir Samardakiewicz
- Laboratory of Electron and Confocal Microscopy, Faculty of Biology, Adam Mickiewicz University in Poznań, Umultowska 89, 61-614, Poznań, Poland
| | - Renata Rucińska-Sobkowiak
- Department of Plant Ecophysiology, Faculty of Biology, Adam Mickiewicz University in Poznań, Umultowska 89, 61-614, Poznań, Poland
| | - Iwona Morkunas
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637, Poznań, Poland.
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13
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Shtark OY, Puzanskiy RK, Avdeeva GS, Yurkov AP, Smolikova GN, Yemelyanov VV, Kliukova MS, Shavarda AL, Kirpichnikova AA, Zhernakov AI, Afonin AM, Tikhonovich IA, Zhukov VA, Shishova MF. Metabolic alterations in pea leaves during arbuscular mycorrhiza development. PeerJ 2019; 7:e7495. [PMID: 31497392 PMCID: PMC6709666 DOI: 10.7717/peerj.7495] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 07/16/2019] [Indexed: 12/20/2022] Open
Abstract
Arbuscular mycorrhiza (AM) is known to be a mutually beneficial plant-fungal symbiosis; however, the effect of mycorrhization is heavily dependent on multiple biotic and abiotic factors. Therefore, for the proper employment of such plant-fungal symbiotic systems in agriculture, a detailed understanding of the molecular basis of the plant developmental response to mycorrhization is needed. The aim of this work was to uncover the physiological and metabolic alterations in pea (Pisum sativum L.) leaves associated with mycorrhization at key plant developmental stages. Plants of pea cv. Finale were grown in constant environmental conditions under phosphate deficiency. The plants were analyzed at six distinct time points, which corresponded to certain developmental stages of the pea: I: 7 days post inoculation (DPI) when the second leaf is fully unfolded with one pair of leaflets and a simple tendril; II: 21 DPI at first leaf with two pairs of leaflets and a complex tendril; III: 32 DPI when the floral bud is enclosed; IV: 42 DPI at the first open flower; V: 56 DPI when the pod is filled with green seeds; and VI: 90-110 DPI at the dry harvest stage. Inoculation with Rhizophagus irregularis had no effect on the fresh or dry shoot weight, the leaf photochemical activity, accumulation of chlorophyll a, b or carotenoids. However, at stage III (corresponding to the most active phase of mycorrhiza development), the number of internodes between cotyledons and the youngest completely developed leaf was lower in the inoculated plants than in those without inoculation. Moreover, inoculation extended the vegetation period of the host plants, and resulted in increase of the average dry weight per seed at stage VI. The leaf metabolome, as analyzed with GC-MS, included about three hundred distinct metabolites and showed a strong correlation with plant age, and, to a lesser extent, was influenced by mycorrhization. Metabolic shifts influenced the levels of sugars, amino acids and other intermediates of nitrogen and phosphorus metabolism. The use of unsupervised dimension reduction methods showed that (i) at stage II, the metabolite spectra of inoculated plants were similar to those of the control, and (ii) at stages IV and V, the leaf metabolic profiles of inoculated plants shifted towards the profiles of the control plants at earlier developmental stages. At stage IV the inoculated plants exhibited a higher level of metabolism of nitrogen, organic acids, and lipophilic compounds in comparison to control plants. Thus, mycorrhization led to the retardation of plant development, which was also associated with higher seed biomass accumulation in plants with an extended vegetation period. The symbiotic crosstalk between host plant and AM fungi leads to alterations in several biochemical pathways the details of which need to be elucidated in further studies.
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Affiliation(s)
- Oksana Y. Shtark
- Department of Biotechnology, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg, Russia
- Faculty of Biology, St. Petersburg State University, St. Petersburg, Russia
| | - Roman K. Puzanskiy
- Faculty of Biology, St. Petersburg State University, St. Petersburg, Russia
- Laboratory of Dynamics of Arctic Vegetation, Komarov Botanical Institute of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Galina S. Avdeeva
- Faculty of Biology, St. Petersburg State University, St. Petersburg, Russia
| | - Andrey P. Yurkov
- Department of Biotechnology, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg, Russia
- Faculty of Biology, St. Petersburg State University, St. Petersburg, Russia
| | | | | | - Marina S. Kliukova
- Department of Biotechnology, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg, Russia
- Faculty of Biology, St. Petersburg State University, St. Petersburg, Russia
| | - Alexey L. Shavarda
- Center for Molecular and Cell Technologies, St. Petersburg State University, St. Petersburg, Russia
| | | | - Aleksandr I. Zhernakov
- Department of Biotechnology, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg, Russia
| | - Alexey M. Afonin
- Department of Biotechnology, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg, Russia
| | - Igor A. Tikhonovich
- Department of Biotechnology, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg, Russia
- Faculty of Biology, St. Petersburg State University, St. Petersburg, Russia
| | - Vladimir A. Zhukov
- Department of Biotechnology, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg, Russia
| | - Maria F. Shishova
- Faculty of Biology, St. Petersburg State University, St. Petersburg, Russia
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14
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Lead-Induced Changes in Fluorescence and Spectral Characteristics of Pea Leaves. REMOTE SENSING 2019. [DOI: 10.3390/rs11161885] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Chlorophyll fluorescence parameters can provide useful indications of photosynthetic performance in vivo. Coupling appropriate fluorescence measurements with other noninvasive techniques, such as absorption spectroscopy or gas exchange, can provide insights into the limitations to photosynthesis under given conditions. Chlorophyll content is one of the dominant factors influencing the conditions of a vegetation growing season, and can be tested using both fluorescence and remote sensing methods. Hyperspectral remote sensing and recording the narrow range of the spectrum can be used to accurately analyze the parameters and properties of plants. The aim of this study was to analyze the influence of lead ions (Pb, 5 mM Pb(NO3)2) on the growth of pea plants using spectral properties. Hyperspectral remote sensing and chlorophyll fluorescence measurements were used to assess the physiological state of plants seedlings treated by lead ions during the experiment. The plants were growing in hydroponic cultures supplemented with Pb ions under various conditions (control, complete Knop + phosphorus (+P); complete Knop + phosphorus (+P) + Pb; Knop (-P) + Pb, distilled water + Pb) affecting lead uptake via the root system. Spectrometric measurements allowed us to calculate the remote sensing indices of vegetation, which were compared with chlorophyll and carotenoids content and fluorescence parameters. The lead contents in the leaves, roots, and stems were also analyzed. Spectral characteristics and vegetation properties were analyzed using statistical tests. We conclude that: (1) pea seedlings grown in complete Knop (with P) and in the presence of Pb ions were spectrally similar to the control plants because lead was not transported to the shoots of plants; (2) lead most influenced plants that were grown in water, according to the highest lead content in the leaves; and (3) the effects of lead on plant growth were confirmed by remote sensing indices, whereas fluorescence parameters identified physiological changes induced by Pb ions in the plants.
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15
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Drzewiecka K, Piechalak A, Goliński P, Gąsecka M, Magdziak Z, Szostek M, Budzyńska S, Niedzielski P, Mleczek M. Differences of Acer platanoides L. and Tilia cordata Mill. Response patterns/survival strategies during cultivation in extremely polluted mining sludge - A pot trial. CHEMOSPHERE 2019; 229:589-601. [PMID: 31100630 DOI: 10.1016/j.chemosphere.2019.05.051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 04/19/2019] [Accepted: 05/06/2019] [Indexed: 06/09/2023]
Abstract
The study aimed to evaluate the physiological mechanisms underlying differences in metals and metalloid uptake and tolerance of two tree species cultivated in mining waste material. Two-year old Acer platanoides L. and Tilia cordata Mill. were cultivated in mining sludge characterized by high pH, salinity and an extremely high concentration of As. Both species were able to develop leaves from leafless seedlings, however, their total biomass was greatly reduced in comparison to control plants, following the severe disturbances in chlorophyll content. Phytoextraction abilities were observed for T. cordata for Ba, Nb, Rb and Se, and phytostabilisation was stated for Pd, Ru, Sc and Sm for both species, Ba and Nd for A. platonoides and Be for T. cordata only. Metal exclusion was observed for the majority of detected elements indicating an intense limitation of metal transport to photosynthetic tissue. A diversified uptake of elements was accompanied by a species-specific pattern of physiological reaction during the cultivation in sludge. Organic ligands (glutatnione and low-molecular-weight organic acids) were suppressed in A. platanoides, and enhanced biosynthesis of phenolic compounds was observed for both species, being more pronounced in T. cordata. Despite its higher accumulation of key metabolites for plant reaction to oxidative stress, such as phenolic acids, flavonoids and organic ligands, T. cordata exhibited relatively lower tolerance to sludge, probably due to the increased uptake and translocation rate of toxic metal/loids to aerial organs and/or restricted accumulation of salicylic acid which is known to play a decisive role in mechanisms of plant tolerance.
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Affiliation(s)
- Kinga Drzewiecka
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, Poznań, 60-625, Poland
| | - Aneta Piechalak
- Adam Mickiewicz University in Poznań, Department of Genome Biology, Institute of Molecular Biology and Biotechnology, Umultowska 89, Poznań, 61-614, Poland
| | - Piotr Goliński
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, Poznań, 60-625, Poland
| | - Monika Gąsecka
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, Poznań, 60-625, Poland
| | - Zuzanna Magdziak
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, Poznań, 60-625, Poland
| | - Małgorzata Szostek
- University of Rzeszów, Department of Soil Science, Environmental Chemistry and Hydrology, Zelwerowicza 8b, Rzeszów, 35-601, Poland
| | - Sylwia Budzyńska
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, Poznań, 60-625, Poland
| | - Przemysław Niedzielski
- Adam Mickiewicz University in Poznań, Department of Analytical Chemistry, Umultowska 89, Poznań, 61-614, Poland
| | - Mirosław Mleczek
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, Poznań, 60-625, Poland.
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16
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Dual Role of Metallic Trace Elements in Stress Biology-From Negative to Beneficial Impact on Plants. Int J Mol Sci 2019; 20:ijms20133117. [PMID: 31247908 PMCID: PMC6651804 DOI: 10.3390/ijms20133117] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 06/19/2019] [Accepted: 06/24/2019] [Indexed: 11/24/2022] Open
Abstract
Heavy metals are an interesting group of trace elements (TEs). Some of them are minutely required for normal plant growth and development, while others have unknown biological actions. They may cause injury when they are applied in an elevated concentration, regardless of the importance for the plant functioning. On the other hand, their application may help to alleviate various abiotic stresses. In this review, both the deleterious and beneficial effects of metallic trace elements from their uptake by roots and leaves, through toxicity, up to the regulation of physiological and molecular mechanisms that are associated with plant protection against stress conditions have been briefly discussed. We have highlighted the involvement of metallic ions in mitigating oxidative stress by the activation of various antioxidant enzymes and emphasized the phenomenon of low-dose stimulation that is caused by non-essential, potentially poisonous elements called hormesis, which is recently one of the most studied issues. Finally, we have described the evolutionary consequences of long-term exposure to metallic elements, resulting in the development of unique assemblages of vegetation, classified as metallophytes, which constitute excellent model systems for research on metal accumulation and tolerance. Taken together, the paper can provide a novel insight into the toxicity concept, since both dose- and genotype-dependent response to the presence of metallic trace elements has been comprehensively explained.
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17
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Durak R, Bednarski W, Formela-Luboińska M, Woźniak A, Borowiak-Sobkowiak B, Durak T, Dembczyński R, Morkunas I. Defense responses of Thuja orientalis to infestation of anholocyclic species aphid Cinara tujafilina. JOURNAL OF PLANT PHYSIOLOGY 2019; 232:160-170. [PMID: 30537603 DOI: 10.1016/j.jplph.2018.11.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Revised: 11/18/2018] [Accepted: 11/19/2018] [Indexed: 05/20/2023]
Abstract
The aim of this study was to determine an interdependence between generation of semiquinone radicals, superoxide anion (O2-), manganese ions (Mn2+) and phenolic content in leaves of Thuja orientalis in response to infestation by varying populations of Cinara tujafilina, i.e. 40 or 80 aphids per plant. Also, superoxide dismutase (SOD) and β-d-glucosidase activities in leaves of T. orientalis in a defense response to C. tujafilina was recorded. Analyses of electron paramagnetic resonance (EPR) showed generally a higher concentration of semiquinone radicals with g-values of 2.0051 ± 0.0005 and 20032 ± 0.0005 after C. tujafilina infestation in leaves in comparison to the control. Up to 48 h post-infestation in leaves infested by 80 aphids the level of semiquinone radicals was significantly higher than in the control, while in leaves infested by 40 aphids the highest concentrations of these radicals were recorded at later time points (i.e. at 72 and 96 hpi). In parallel, the highest total generation of O2- and low activity of SOD were recorded in 24-h leaves infested by 80 aphids. Additionally, analysis of confocal images showed that the strongest yellow fluorescence indicating O2- generation was detected in epidermal cells of leaves up to 48 hpi. Significant reduction of Mn2+ ions detected by EPR spectroscopy in relation to the control was observed in 4-w leaves infested by 80 and 40 aphids and in 48-h leaves infested by 40 aphids. Phenolic contents in leaves infested by 80 and 40 aphids at all time points were higher than in the control. The greatest β-d-glucosidase activity and phenolic contents were recorded at 96 h of feeding. These results indicate that the perception of C. tujafilina infestation by T. orientalis leaves induces a specified sequence of defense mechanisms in the course of time.
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Affiliation(s)
- Roma Durak
- Department of Experimental Zoology, University of Rzeszów, Pigonia 1, 35-310, Rzeszów, Poland
| | - Waldemar Bednarski
- Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
| | - Magda Formela-Luboińska
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland
| | - Agnieszka Woźniak
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland
| | - Beata Borowiak-Sobkowiak
- Department of Entomology and Environmental Protection, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznań, Poland
| | - Tomasz Durak
- Department of Plant Physiology and Ecology, University of Rzeszów, Rejtana 16c, 35-959, Rzeszów, Poland
| | - Radosław Dembczyński
- Department of Biotechnology and Food Microbiology, Poznań University of Life Sciences, Wojska Polskiego 48, 60-627 Poznan, Poland
| | - Iwona Morkunas
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland.
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Morkunas I, Woźniak A, Mai VC, Rucińska-Sobkowiak R, Jeandet P. The Role of Heavy Metals in Plant Response to Biotic Stress. Molecules 2018; 23:E2320. [PMID: 30208652 PMCID: PMC6225295 DOI: 10.3390/molecules23092320] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 09/06/2018] [Accepted: 09/08/2018] [Indexed: 11/16/2022] Open
Abstract
The present review discusses the impact of heavy metals on the growth of plants at different concentrations, paying particular attention to the hormesis effect. Within the past decade, study of the hormesis phenomenon has generated considerable interest because it was considered not only in the framework of plant growth stimulation but also as an adaptive response of plants to a low level of stress which in turn can play an important role in their responses to other stress factors. In this review, we focused on the defence mechanisms of plants as a response to different metal ion doses and during the crosstalk between metal ions and biotic stressors such as insects and pathogenic fungi. Issues relating to metal ion acquisition and ion homeostasis that may be essential for the survival of plants, pathogens and herbivores competing in the same environment were highlighted. Besides, the influence of heavy metals on insects, especially aphids and pathogenic fungi, was shown. Our intention was also to shed light on the relationship between heavy metals deposition in the environment and ecological communities formed under a strong selective pressure.
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Affiliation(s)
- Iwona Morkunas
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland.
| | - Agnieszka Woźniak
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland.
| | - Van Chung Mai
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland.
- Department of Plant Physiology, Vinh University, Le Duan 182, Vinh City, Vietnam.
| | - Renata Rucińska-Sobkowiak
- Department of Plant Ecophysiology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland.
| | - Philippe Jeandet
- Research Unit "Induced Resistance and Plant Bioprotection", UPRES EA 4707, Department of Biology and Biochemistry, Faculty of Sciences, University of Reims, P.O. Box 1039, 02 51687 Reims CEDEX, France.
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19
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Li H, Jin H, Wan W, Wu C, Wei L. Cancer nanomedicine: mechanisms, obstacles and strategies. Nanomedicine (Lond) 2018; 13:1639-1656. [PMID: 30035660 DOI: 10.2217/nnm-2018-0007] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Targeting nanoparticles to cancers for improved therapeutic efficacy and decreased side effects remains a popular concept in the past decades. Although the enhanced permeability and retention effect serves as a key rationale for all the currently commercialized nanoformulations, it does not enable uniform delivery of nanoparticles to all tumorous regions in all patients with sufficient quantities. Also, the increase in overall survival is often modest. Many factors may influence the delivering process of nanoparticles, which must be taken into consideration for the promise of nanomedicine in patients to be realized. Herein, we review the mechanisms and influencing factors during the delivery of cancer therapeutics and summarize current strategies that have been developed for the fabrication of smart drug delivery systems.
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Affiliation(s)
- Huafei Li
- Department of Pathology, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, PR China
- Tumor Immunology & Gene Therapy Center, Third Affiliated Hospital of the Second Military Medical University, 225 Changhai Road, Shanghai, 200438, PR China
- International Joint Cancer Institute, Translational Medicine Institute, the Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, PR China
- School of Life Sciences, Shanghai University, 333 Nanchen Road, Shanghai, 200444, PR China
| | - Hai Jin
- Department of Thoracic Surgery/LaboratoryDiagnosis, First Affiliated Hospital of the Second Military Medical University,168 Changhai Road, Shanghai, 200438, PR China
| | - Wei Wan
- Department of Orthopedic Oncology, Spine Tumor Center, Second Affiliated Hospital of the Second Military Medical University, 415 Fengyang Road, Shanghai, 200003, PR China
| | - Cong Wu
- Department of Thoracic Surgery/LaboratoryDiagnosis, First Affiliated Hospital of the Second Military Medical University,168 Changhai Road, Shanghai, 200438, PR China
| | - Lixin Wei
- Tumor Immunology & Gene Therapy Center, Third Affiliated Hospital of the Second Military Medical University, 225 Changhai Road, Shanghai, 200438, PR China
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20
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Hu Q, Min L, Yang X, Jin S, Zhang L, Li Y, Ma Y, Qi X, Li D, Liu H, Lindsey K, Zhu L, Zhang X. Laccase GhLac1 Modulates Broad-Spectrum Biotic Stress Tolerance via Manipulating Phenylpropanoid Pathway and Jasmonic Acid Synthesis. PLANT PHYSIOLOGY 2018; 176:1808-1823. [PMID: 29229698 PMCID: PMC5813555 DOI: 10.1104/pp.17.01628] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 12/08/2017] [Indexed: 05/19/2023]
Abstract
Plants are constantly challenged by a multitude of pathogens and pests, which causes massive yield and quality losses annually. A promising approach to reduce such losses is to enhance the immune system of plants through genetic engineering. Previous work has shown that laccases (p-diphenol:dioxygen oxidoreductase, EC 1.10.3.2) function as lignin polymerization enzymes. Here we demonstrate that transgenic manipulation of the expression of the laccase gene GhLac1 in cotton (Gossypium hirsutum) can confer an enhanced defense response to both pathogens and pests. Overexpression of GhLac1 leads to increased lignification, associated with increased tolerance to the fungal pathogen Verticillium dahliae and to the insect pests cotton bollworm (Helicoverpa armigera) and cotton aphid (Aphis gosypii). Suppression of GhLac1 expression leads to a redirection of metabolic flux in the phenylpropanoid pathway, causing the accumulation of JA and secondary metabolites that confer resistance to V. dahliae and cotton bollworm; it also leads to increased susceptibility to cotton aphid. Plant laccases therefore provide a new molecular tool to engineer pest and pathogen resistance in crops.
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Affiliation(s)
- Qin Hu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Ling Min
- College of Plant Science and Technology, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Xiyan Yang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Shuangxia Jin
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Lin Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Yaoyao Li
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Yizan Ma
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Xuewei Qi
- College of Plant Science and Technology, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Dongqin Li
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Hongbo Liu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Keith Lindsey
- Department of Biosciences, Durham University, Durham DH1 3LE, United Kingdom
| | - Longfu Zhu
- College of Plant Science and Technology, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
| | - Xianlong Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, China
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Drzewiecka K, Gąsecka M, Rutkowski P, Magdziak Z, Goliński P, Mleczek M. Arsenic forms and their combinations induce differences in phenolic accumulation in Ulmus laevis Pall. JOURNAL OF PLANT PHYSIOLOGY 2018; 220:34-42. [PMID: 29145070 DOI: 10.1016/j.jplph.2017.09.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 09/26/2017] [Accepted: 09/26/2017] [Indexed: 06/07/2023]
Abstract
Total phenolics and the profile of phenolic acids and flavonoids were investigated in the roots and leaves of Ulmus laevis cultured on the medium with inorganic and organic arsenic - As(III), As(V) and DMA(V) at 0.06mM and their equimolar combinations. Further, the accumulation of salicylic acid (free and glucoside-bound) and lipid oxidation were assayed following a three-month long experiment. As treatment caused elevated production of phenolics, which was higher in photosynthetic tissue than in roots for all As forms and their combinations, and their overall content was correlated with the accumulation of organic As in roots and As(III) in leaves. The accumulation of organic As strongly induced shikimate-derived protocatechiuc acid in roots. Contrary to this, shikimate-derived phenolics (protocatechuic, gallic acids and 4-HBA) were suppressed in leaves, while the accumulation of C6C3 acids (caffeic, p-coumaric and chlorogenic) was stimulated by As(V) application. Surprisingly, these acids were not detected in the leaves of As(III)-treated plants, and mutually applied As(III) and DMA(V) reduced their content. DMA(V) negatively influenced the level of salicylic acid and its storage mechanism and this effect correlated with elevated MDA content in leaves. Quercetin accumulation was observed in both organs (mainly leaves) of DMA(V)-treated plants thereby proving its function in defensive response of Ulmus laevis to organic forms of As.
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Affiliation(s)
- Kinga Drzewiecka
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, 60-625 Poznań, Poland
| | - Monika Gąsecka
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, 60-625 Poznań, Poland
| | - Paweł Rutkowski
- Poznań University of Life Sciences, Department of Forest Sites and Ecology, Wojska Polskiego 71F, 60-625 Poznań, Poland
| | - Zuzanna Magdziak
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, 60-625 Poznań, Poland
| | - Piotr Goliński
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, 60-625 Poznań, Poland
| | - Mirosław Mleczek
- Poznań University of Life Sciences, Department of Chemistry, Wojska Polskiego 75, 60-625 Poznań, Poland.
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Structure, Chemical Analysis, Biosynthesis, Metabolism, Molecular Engineering, and Biological Functions of Phytoalexins. Molecules 2017; 23:molecules23010061. [PMID: 29283365 PMCID: PMC6017555 DOI: 10.3390/molecules23010061] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 12/24/2017] [Accepted: 12/26/2017] [Indexed: 01/05/2023] Open
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