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de Albuquerque Melo Xavier JK, de Jesus Alves Miranda A, Dos Santos Soares Buna S, da Rocha CQ, da Silva Lima A. Neotropical Flora's Contribution to the Development of Biorational Products for Drosophila suzukii Control. NEOTROPICAL ENTOMOLOGY 2024; 53:400-414. [PMID: 38214825 DOI: 10.1007/s13744-023-01123-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 12/19/2023] [Indexed: 01/13/2024]
Abstract
Essential oils (EOs) produced by aromatic plants belonging to different families, such as Asteraceae, Lamiaceae, Lauraceae, Myrtaceae, and Piperaceae, are generally suggested as potential sources of new molecules with insecticidal activity. The EOs are constituted bioactive molecules that may have to control Drosophila suzukii (Matsumura), a serious economic invasive pest of small fruits worldwide. Currently, the control strategy against D. suzukii depends especially on treatment with synthetic insecticides. Due to impacts to human health and the environment, efforts have been made to seek efficient insecticides in chemical pest control. Thus, sixty-five oils extracted from plants were selected to find new alternative types of insecticides active against D. suzukii. The monoterpenes, such as limonene, α-pinene, 1,8-cineole, linalool, menthol, geranial, and neral, were the most representative, which stand out for their insecticidal efficiency. The OEs demonstrated to be used in the management of D. suzukii, thus being an effective strategy to control this pest, ensuring crop protection and agricultural sustainability. Therefore, the substitution by natural products or eco-friendly pesticides instead of synthetic pesticides represents a notable option to mitigate harmful effects on human health and the environment.
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Affiliation(s)
| | - Amanda de Jesus Alves Miranda
- Programa de Pós-Graduação em Química, Departamento de Química, Universidade Federal do Maranhão - UFMA, São Luís, MA, Brazil
| | - Samuel Dos Santos Soares Buna
- Programa de Pós-Graduação em Química, Departamento de Química, Universidade Federal do Maranhão - UFMA, São Luís, MA, Brazil
| | - Claudia Quintino da Rocha
- Programa de Pós-Graduação em Química, Departamento de Química, Universidade Federal do Maranhão - UFMA, São Luís, MA, Brazil
| | - Aldilene da Silva Lima
- Programa de Pós-Graduação em Agroecologia, Universidade Estadual do Maranhão - UEMA, São Luís, MA, Brazil.
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Bošković D, Vuković S, Lazić S, Baser N, Čulum D, Tekić D, Žunić A, Šušnjar A, Šunjka D. Insecticidal Activity of Selected Essential Oils against Drosophila suzukii (Diptera: Drosophilidae). PLANTS (BASEL, SWITZERLAND) 2023; 12:3727. [PMID: 37960084 PMCID: PMC10647715 DOI: 10.3390/plants12213727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023]
Abstract
The spotted wing drosophila (SWD), Drosophila suzukii Matsumura (Diptera: Drosophilidae), is an invasive polyphagous pest of soft-skinned fruit that has started to threaten small fruit production in Europe since 2008. High reproductive capacity, short generation time, and difficulties in visualizing early damage contribute to its rapid spread. Currently, the control strategy against D. suzukii mostly relies on treatment with synthetic insecticides. Keeping in mind that this pest causes the greatest damage during the harvesting period, control using chemicals is not recommended due to the increased risk of high pesticide residue levels in the fruit. With the aim of reducing the use of insecticides, there is a need for developing an environmentally safer way of control. Alternative solutions could rely on the use of essential oils (EOs), which can be used in conventional and organic production systems. Four essential oils, geranium (Pelargonium graveolens), dill (Anethum graveolens), Scots pine (Pinus sylvestris), and bergamot (Citrus bergamia), were assessed for their insecticidal effects using four different tests (contact toxicity, fumigant-contact toxicity, repellent effect, and multiple-choice tests). The EOs applied were dissolved in acetone at three different concentrations. The most promising one was the geranium essential oil, which had the best effect in all conducted tests, even at the lowest applied concentration. Geranium oil caused very high mortality (95%), even at the lowest concentration applied, after 24 h in the fumigant-contact test, and it caused a mortality of over 85% in the contact test. It was also noticed that geranium demonstrated a deterrent effect by repelling females from laying eggs for four days after at the lowest applied concentration. Scots pine and dill EOs have moderate to strong effects in most tests. The mortality of 100% was achieved for the highest applied concentration in the fumigant-contact and contact tests. Bergamot EO did not have any significant insecticidal activity. Geranium, Scots pine, and dill have great potential to be used as an environmentally friendly way of controlling D. suzukii as they exhibit deterrent, repellent, and insecticidal effects.
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Affiliation(s)
- Dragana Bošković
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia; (S.V.); (S.L.); (D.T.); (A.Ž.); (A.Š.)
| | - Slavica Vuković
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia; (S.V.); (S.L.); (D.T.); (A.Ž.); (A.Š.)
| | - Sanja Lazić
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia; (S.V.); (S.L.); (D.T.); (A.Ž.); (A.Š.)
| | - Nuray Baser
- CIHEAM-IAMB—International Centre for Advanced Mediterranean Agronomic Studies, 70010 Bari, Italy;
| | - Dušan Čulum
- Faculty of Science, University of Sarajevo, Zmaja od Bosne 33-35, 71000 Sarajevo, Bosnia and Herzegovina;
| | - Dragana Tekić
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia; (S.V.); (S.L.); (D.T.); (A.Ž.); (A.Š.)
| | - Antonije Žunić
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia; (S.V.); (S.L.); (D.T.); (A.Ž.); (A.Š.)
| | - Aleksandra Šušnjar
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia; (S.V.); (S.L.); (D.T.); (A.Ž.); (A.Š.)
| | - Dragana Šunjka
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia; (S.V.); (S.L.); (D.T.); (A.Ž.); (A.Š.)
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Hai CT, Van Thanh D, Xuan VT, Nam MH, Tam KT. Anticancer activity of Piper chaudocanum essential oils and essential oil-mediated silver nanoparticles. BIOCHEM SYST ECOL 2023. [DOI: 10.1016/j.bse.2023.104621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Jena S, Ray A, Sahoo A, Das PK, Kamila PK, Kar SK, Nayak S, Panda PC. Anti-proliferative Activity of Piper trioicum Leaf Essential Oil Based on Phytoconstituent Analysis, Molecular Docking and in silico ADMET Approaches. Comb Chem High Throughput Screen 2023; 26:183-190. [PMID: 34951357 DOI: 10.2174/1386207325666211222113239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/31/2021] [Accepted: 11/05/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND The essential oils isolated from several medicinal plants have been reported to possess anticancer activities. Both the essential oil and extracts of many Piper species (Piperaceae) possess potential cytotoxic effects against cancer cell lines and are being used in traditional systems of medicine for the treatment of cancer. There is a need to evaluate and validate the anticancer properties of essential oils extracted from other wild species of Piper. OBJECTIVE The current research was undertaken to determine the chemical composition and investigate the anti-proliferative activity of wild-growing Piper trioicum leaf essential oil. The selected five major constituents were subjected to molecular docking to identify possible modes of binding against serine/threonine-protein kinase (MST3) protein. METHODS The essential oil of leaf of P. trioicum was extracted by hydrodistillation method, and its chemical composition was evaluated by GC-FID and GC-MS. The anti-proliferative activity of the essential oil was evaluated by the MTT assay against normal (3T3-L1) and various cancer (HCT 116, HT-29, PC-3 and HepG2) cell lines. Molecular docking analysis was performed using the AutoDock 4.2 software. The pharmacokinetic and pharmacodynamic properties of the major constituents were determined using absorption, distribution, metabolization, excretion and toxicity (ADMET) analysis. RESULTS The GC-MS analysis revealed the identification of 45 constituents with δ-cadinene (19.57%), germacrene-D (8.54%), β-caryophyllene (6.84%), 1-epi-cubenol (4.83%) and α-pinene (4.52%) being predominant constituents in the leaf essential oil of P. trioicum. The highest cytotoxicity of essential oil was observed against HT-29 cells (IC50 value of 33.14 μg/ml). 1-epi-cubenol and δ-cadinene exhibited low binding energy values of -6.25 and -5.92 kcal/mol, respectively. For prediction of in silico pharmacokinetic and drug-like properties of the major compounds, the ADMET prediction tool was used, the results of which were observed to be within the ideal range. CONCLUSION The present findings demonstrate that P. trioicum essential oil possesses significant anti-proliferative activity and could be effective against cancer treatment.
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Affiliation(s)
- Sudipta Jena
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Kalinga Nagar, Ghatikia, Bhubaneswar 751 003, Odisha, India
| | - Asit Ray
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Kalinga Nagar, Ghatikia, Bhubaneswar 751 003, Odisha, India
| | - Ambika Sahoo
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Kalinga Nagar, Ghatikia, Bhubaneswar 751 003, Odisha, India
| | - Prabhat Kumar Das
- Taxonomy and Conservation Division, Regional Plant Resource Centre, Nayapalli, Bhubaneswar 751 015, Odisha, India
| | - Pradeep Kumar Kamila
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Kalinga Nagar, Ghatikia, Bhubaneswar 751 003, Odisha, India
| | - Subrat Kumar Kar
- Department of Microbiology, IMS & SUM Hospital, Siksha 'O' Anusandhan (Deemed to be University), Kalinga Nagar, Ghatikia, Bhubaneswar 751 003, Odisha, India
| | - Sanghamitra Nayak
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Kalinga Nagar, Ghatikia, Bhubaneswar 751 003, Odisha, India
| | - Pratap Chandra Panda
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Kalinga Nagar, Ghatikia, Bhubaneswar 751 003, Odisha, India
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Soares KD, Bordignon SAL, Apel MA. Chemical composition and anti-inflammatory activity of the essential oils of Piper gaudichaudianum and Piper mikanianum. JOURNAL OF ETHNOPHARMACOLOGY 2022; 297:115533. [PMID: 35840057 DOI: 10.1016/j.jep.2022.115533] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/27/2022] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Inflammation is the body's normal protective response to injury and is stimulated by pathogens, toxic compounds, damaged cells or radiation, promoting healing and restoring homeostasis to the injured tissue. Leaves of Piper gaudichaudianum Kunth, known as "pariparoba" are widely used in folk medicine for the relief of toothache, while the fresh roots are used as anti-inflammatory and to treat liver disorders. For P. mikanianum (Kunth) Steud is known as "aguaxima", is widely used in the treatment of inflammation, rheumatism and ulcer, with its roots being used for stomach disorders and as a diaphoretic in intermittent fevers. AIM OF THE STUDY Therefore, this work aims to chemically characterize the essential oil of Piper gaudichaudianum and Piper mikanianum, as well as the evaluation of neutrophil antichemotactic activity of both essential oils in order to complement the information of its traditional use, taking the leaves as plant material and, with that, corroborating its use in folk medicine for the treatment of inflammatory diseases. MATERIALS AND METHODS The essential oil from leaves of both Piper species were obtained from crushed fresh samples, by hydrodistillation using a Clevenger type-apparatus for 4 h. The yield determination was performed as vol/wt (v/w) and in triplicate. The amount of essential oil obtained was quantified in mL. The identification and quantification of the compounds was performed using gas chromatography-mass spectrometry (GC-MS) and gas chromatography-flame ionization detection (GC-FID). The in vitro anti-inflammatory activity was evaluated using the model of modified Boyden chamber. In this test the essential oils were tested for their ability to inhibit leukocyte chemotaxis stimulated by Escherichia coli lipopolysaccharide. RESULTS The chemical composition of the essential oils revealed the identification of 26 constituents for P. gaudichaudianum being the sesquiterpenes β-selinene (14.0%) and viridiflorene (10.5%) the main compounds, followed by caryophyllene oxide (9.3%) and (E)-nerolidol (9.0%). For P. mikanianum essential oil, β-myrcene (17.2%) and bicyclogermacrene (26.3%) were the major components in the monoterpenes and sesquiterpene fractions, respectively. The essential oils were also tested for their ability to inhibit neutrophil chemotaxis in vitro when stimulated by Escherichia coli lipopolysaccharide. Both essential oils showed antichemotactic effect with reduction in migration of 0-72.2% for P. gaudichaudianum and 8.6-100% for P. mikanianum to same concentrations, suggesting a response to acute inflammatory processes. CONCLUSIONS Since up to date there is no report of this biological activities by this mechanism (antichemotactic assay) for essential oils this species. These results showed that the essential oils of P. gaudichaudianum and P. mikanianum have a great capacity to inhibit neutrophil chemotaxis in an inflammatory process, in a dose-dependent way, suggesting anti-inflammatory potential, by preventing its accumulation at the injury site with the possibility of tissue damage. Findings of these studies support the traditional use of these species in the treatment of inflammatory processes.
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Affiliation(s)
- Krissie D Soares
- Pharmaceutical Sciences Graduate Program, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Sérgio A L Bordignon
- Environmental Impact Assessment Graduate Program, La Salle University Center, Canoas, Rio Grande do Sul, Brazil
| | - Miriam A Apel
- Pharmaceutical Sciences Graduate Program, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
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Essential Oils as a Source of Ecofriendly Insecticides for Drosophila suzukii (Diptera: Drosophilidae) and Their Potential Non-Target Effects. Molecules 2022; 27:molecules27196215. [PMID: 36234751 PMCID: PMC9571007 DOI: 10.3390/molecules27196215] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/12/2022] [Accepted: 09/15/2022] [Indexed: 11/30/2022] Open
Abstract
The spotted wing drosophila (Drosophila suzukii) is one of the main invasive pests of small fruits in the world. Thus, 19 essential oils (EOs) were selected to analyze the effects through toxicity and repellency on oviposition and D. suzukii adults. In addition, their lethal and sublethal effects on the pupal endoparasitoid Trichopria anastrephae were evaluated. The EOs of C. flexuosus and Mentha spp. had the highest toxicity observed in the topical application bioassay for D. suzukii. In contrast, the EOs of C. verum, C. citratus QT citratus, and C. winterianus showed the highest toxicity in the ingestion bioassay for D. suzukii. The dry residues of C. verum and C. citratus QT citratus reduced the oviposition of D. suzukii. In the repellency bioassays, the 19 EOs analyzed repelled ≅ 90% of the D. suzukii females. All EOs evaluated using the LC90 values of the products provided mortality of less than 20% of T. anastrephae adults and did not cause a reduction in the parasitism of surviving T. anastrephae females. We conclude that the EOs evaluated have the potential to be used in the management of D. suzukii. They can also serve as selective active ingredients for the formulation and synthesis of new biopesticides.
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Trombin de Souza M, Trombin de Souza M, Bernardi D, Oliveira DDC, Morais MC, de Melo DJ, Richardi VS, Zarbin PHG, Zawadneak MAC. Essential Oil of Rosmarinus officinalis Ecotypes and Their Major Compounds: Insecticidal and Histological Assessment Against Drosophila suzukii and Their Impact on a Nontarget Parasitoid. JOURNAL OF ECONOMIC ENTOMOLOGY 2022; 115:955-966. [PMID: 34865075 DOI: 10.1093/jee/toab230] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Indexed: 06/13/2023]
Abstract
Essential oils (EOs) produced by plants in the Lamiaceae family may provide new insecticidal molecules. Novel control compounds are needed to control Drosophila suzukii (Matsumura), a severe economic invasive pest of thin-skinned fruit crops. Thus, we characterized the main compounds of EOs from three rosemary Rosmarinus officinalis ecotypes (ECOs) and evaluated their toxicity to D. suzukii adults, deterrence of oviposition behavior, and histological alterations in larvae. Additionally, we analyzed the lethal and sublethal effect on the pupal parasitoid Trichopria anastrephae. The main compounds identified in the R. officinalis ECOs were α-pinene, camphor and 1,8-cineole. In bioassays via topical application or ingestion, ECOs and their major compounds showed high toxicity on D. suzukii adults and a lower concentration could kill 50% and 90% of flies compared to spinetoram. The dry residues of a-pinene, 1,8-cineole, and camphor provided a repellent effect by reducing D. suzukii oviposition by ~47% compared to untreated fruit. Histological sections of 3rd instar larval D. suzukii posttreatment revealed damage to the fat body, Malpighian tubules, brain, salivary gland, and midgut, which contributed to high larval and pupal mortality. Survival and parasitism by adult T. anastrephae were not affected. Thus, R. officinalis EO and their compounds have potential for developing novel insecticides to manage D. suzukii.
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Affiliation(s)
| | | | - Daniel Bernardi
- Department of Plant Protection, Federal University of Pelotas, Faculty of Agronomy, Pelotas, Rio Grande do Sul, Brazil
| | - Daiana da Costa Oliveira
- Department of Plant Protection, Federal University of Pelotas, Faculty of Agronomy, Pelotas, Rio Grande do Sul, Brazil
| | - Maíra Chagas Morais
- Department of Plant Protection, Federal University of Pelotas, Faculty of Agronomy, Pelotas, Rio Grande do Sul, Brazil
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Anticariogenic Activity of Three Essential Oils from Brazilian Piperaceae. Pharmaceuticals (Basel) 2022; 15:ph15080972. [PMID: 36015120 PMCID: PMC9416246 DOI: 10.3390/ph15080972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/02/2022] [Accepted: 08/03/2022] [Indexed: 11/25/2022] Open
Abstract
The current trend toward using natural food additives, cosmetics, and medicines has motivated industries to substitute synthetic compounds for natural products. Essential oils (EOs) from medicinal plants are a well-known source of chemical compounds that display several interesting biological activities, including antimicrobial action. In this study, we investigated the antibacterial activity of EOs extracted from three Piperaceae species collected in the Brazilian Amazon region against a representative panel of cariogenic bacteria. The minimum inhibitory concentration (MIC) of the essential oils extracted from Peperomia pellucida (PP-EO), Piper marginatum (PM-EO), and Piper callosum (PC-EO) was determined against Streptococcus mutans, S. mitis, S. sanguinis, S. salivarius, S. sobrinus, Enterococcus faecalis, and Lactobacillus casei by using the microplate microdilution method. PM-EO, PC-EO, and PP-EO displayed antibacterial activity against all the tested cariogenic bacteria. PM-EO displayed the best inhibitory activity, with MIC values ranging from 50 to 500 µg/mL. The lowest MIC values were obtained for PM-EO against S. mitis (MIC = 75 μg/mL), Lactobacillus casei (MIC = 50 μg/mL), and S. mutans (MIC = 50 μg/mL). Gas chromatography mass spectrometry (GC-MS) analysis allowed the chemical composition of all the EOs to be identified. The main constituents of PM-EO, PC-EO, and PP-EO were 3,4-(methylenedioxy)propiophenone, α-pinene, and dillapiole, respectively. Finally, the compounds that were exclusively detected in PM-EO are highlighted. Our results suggest that PM-EO may be used in products for treating dental caries and periodontal diseases.
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Monarda didyma Hydrolate Affects the Survival and the Behaviour of Drosophila suzukii. INSECTS 2022; 13:insects13030280. [PMID: 35323578 PMCID: PMC8955400 DOI: 10.3390/insects13030280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 12/04/2022]
Abstract
Simple Summary During the steam distillation of aromatic plants, two main fractions are usually obtained: the hydrophobic essential oils and the hydrophilic fraction commonly known as hydrolate (HY). The essential oils are largely used in several industry fields, including the agricultural industry as biopesticides. Residual HYs, instead, are often discarded as by-products of little or no value. Our research pointed out that also HYs have biological activity, suggesting their potential use in plant-based strategy for the pest control. In more detail, we investigated the insecticidal properties of the hydrolate from Monarda didyma, scarlet beebalm, towards Drosophila suzukii. Using specific molecular and behavioural assays, we showed that M. didyma hydrolate affected the fitness and behaviour of D. suzukii, providing new insights in the D. suzukii control strategies through M. didyma hydrolate. Abstract Drosophila suzukii (Matsumara) is an herbivorous pest whose control in the field with conventional chemical is particularly difficult and has important drawbacks. Here, we investigated the insecticidal properties of hydrolate from Monarda didyma, scarlet beebalm, an aromatic herb in the Lamiaceae family. The identification of volatile organic compounds (VOCs) by CG–MS systems revealed that thymol (38%) and carvacrol (59%) were the most abundant VOCs in the hydrolate. M. didyma hydrolate did not show fumigant toxicity. Conversely, in contact assays, M. didyma hydrolate showed a LC50 of 5.03 µL mL−1, 48 h after the application on D. suzukii adults. Expression of detoxification genes increased in flies that survived the LC50 application. Furthermore, toxicity persisted for 7 days after the treatment in the survival evaluation. Artificial diet assays with 100 and 1000 µL mL−1 of M. didyma hydrolate resulted in a significant decrease in total food intake in both male and female D. suzukii adults. In addition, electropenetrography (EPG) showed that the D. suzukii females’ feeding behaviour was altered in hydrolate-treated diets. The hydrolate also caused a significant reduction in the number of eggs laid in two different oviposition assays. Overall, our findings provide a new perspective for the improvement of D. suzukii control strategies through M. didyma hydrolate.
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Ramos YJ, da Costa-Oliveira C, Candido-Fonseca I, de Queiroz GA, Guimarães EF, Defaveri ACAE, Sadgrove NJ, Moreira DDL. Advanced Chemophenetic Analysis of Essential Oil from Leaves of Piper gaudichaudianum Kunth (Piperaceae) Using a New Reduction-Oxidation Index to Explore Seasonal and Circadian Rhythms. PLANTS 2021; 10:plants10102116. [PMID: 34685925 PMCID: PMC8540104 DOI: 10.3390/plants10102116] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 09/26/2021] [Accepted: 09/28/2021] [Indexed: 11/16/2022]
Abstract
The aromatic species Piper gaudichaudianum Kunth (Piperaceae) is widely used in Brazil for medicinal and ritualistic applications. In the current study, chemophenetic patterns were realized across season and circadian rhythm based on the chemical profile of essential oils (EOs) from leaves. Hydrodistilled essential oils were analyzed by GC-MS and GC-FID, and a new calculation of metabolite oxidation level, averaged for each individual molecule component of the EO, was used to explore the patterns of metabolism/biosynthesis. This new index used an intermediate calculation, the 'weighted average redox standard' (SRO), to enable a value for mixtures of metabolites to be generated, the 'general mixture redox index' (GMOR). The indices were subjected to a proof-of-concept approach by making comparison to outcomes from multivariate analyses, i.e., PCA and HCA. Chemical analysis demonstrated that the essential oils were dominated by sesquiterpenes, constructed of 15 classes of compound (C-skeletons), and 4 C-skeletons were recognized in the monoterpene group, giving a total of 19. The variation of chemical profiles was distinct at different phenological stages, but stronger chemical variation was evident between day and night as compared to season. Furthermore, due to comprehensive sampling across different regions, nine chemotypes were recognized, including those previously reported. The SRO and GMRO indices demonstrate that phenological variation of chemistry is mainly an outcome of redox fluctuations in terpene biosynthesis, changing from day to night. These indices also corroborate that chemical diversity is increased with oxidative metabolism. Lastly, the current study demonstrates pronounced phenotypic plasticity in P. gaudichaudianum, which makes it a suitable candidate to help further our understanding of chemophenetics and chemical ecology.
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Affiliation(s)
- Ygor Jessé Ramos
- Instituto de Biologia, Pós-Graduação em Biologia Vegetal, Universidade do Estado do Rio de Janeiro, Maracanã, Rio de Janeiro 20550-013, Brazil;
- Diretoria de Pesquisa do Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Jardim Botânico, Rio de Janeiro 22460-030, Brazil;
- Centro de Responsabilidade Socioambiental do Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Jardim Botânico, Rio de Janeiro 22460-030, Brazil; (G.A.d.Q.); (A.C.A.e.D.)
- Fundação Oswaldo Cruz, Farmanguinhos, Manguinhos, Rio de Janeiro 21041-250, Brazil; (C.d.C.-O.); (I.C.-F.)
| | - Claudete da Costa-Oliveira
- Fundação Oswaldo Cruz, Farmanguinhos, Manguinhos, Rio de Janeiro 21041-250, Brazil; (C.d.C.-O.); (I.C.-F.)
| | - Irene Candido-Fonseca
- Fundação Oswaldo Cruz, Farmanguinhos, Manguinhos, Rio de Janeiro 21041-250, Brazil; (C.d.C.-O.); (I.C.-F.)
| | - George Azevedo de Queiroz
- Centro de Responsabilidade Socioambiental do Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Jardim Botânico, Rio de Janeiro 22460-030, Brazil; (G.A.d.Q.); (A.C.A.e.D.)
| | - Elsie Franklin Guimarães
- Diretoria de Pesquisa do Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Jardim Botânico, Rio de Janeiro 22460-030, Brazil;
| | - Anna C. Antunes e Defaveri
- Centro de Responsabilidade Socioambiental do Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Jardim Botânico, Rio de Janeiro 22460-030, Brazil; (G.A.d.Q.); (A.C.A.e.D.)
| | | | - Davyson de Lima Moreira
- Instituto de Biologia, Pós-Graduação em Biologia Vegetal, Universidade do Estado do Rio de Janeiro, Maracanã, Rio de Janeiro 20550-013, Brazil;
- Diretoria de Pesquisa do Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Jardim Botânico, Rio de Janeiro 22460-030, Brazil;
- Fundação Oswaldo Cruz, Farmanguinhos, Manguinhos, Rio de Janeiro 21041-250, Brazil; (C.d.C.-O.); (I.C.-F.)
- Correspondence:
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11
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Carnaúba PU, Mengarda AC, Rodrigues VC, Morais TR, de Oliveira A, Lago JHG, de Moraes J. Evaluation of Gibbilimbol B, Isolated from Piper malacophyllum (Piperaceae), as an Antischistosomal Agent. Chem Biodivers 2021; 18:e2100503. [PMID: 34418297 DOI: 10.1002/cbdv.202100503] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 08/20/2021] [Indexed: 12/25/2022]
Abstract
Infections caused by parasitic worms impose a considerable worldwide health burden. One of the most impactful is schistosomiasis, a disease caused by blood-dwelling of the genus Schistosoma that affects more than 230 million people worldwide. Since praziquantel has also been extensively used to treat schistosomiasis and other parasitic flatworm infections, there is an urgent need to identify novel anthelmintic compounds, mainly from natural sources. In this study, the hexane extract from roots of Piper malacophyllum (Piperaceae) showed to be mainly composed for gibbilimbol B by HPLC/ESI-HRMS. Based on this result, this compound was isolated by chromatographic steps and its structure was confirmed by NMR. In vitro bioassays showed that gibbilimbol B was more active than praziquantel against larval stage of S. mansoni, with effective concentrations of 50 % (EC50 ) and 90 % (EC90 ) values of 2.6 and 3.4 μM, respectively. Importantly, gibbilimbol B showed no cytotoxicity to mammalian cells at a concentration 190 times greater than the antiparasitic effect, giving support for the anthelmintic potential of gibbilimbol B as lead compound for novel antischistosomal agents.
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Affiliation(s)
- Paulo U Carnaúba
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Praça Tereza Cristina, 88, Guarulhos, SP, 07023-070, Brazil
| | - Ana C Mengarda
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Praça Tereza Cristina, 88, Guarulhos, SP, 07023-070, Brazil
| | - Vinícius C Rodrigues
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Praça Tereza Cristina, 88, Guarulhos, SP, 07023-070, Brazil
| | - Thiago R Morais
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Praça Tereza Cristina, 88, Guarulhos, SP, 07023-070, Brazil
| | - Alberto de Oliveira
- Instituto de Química, Universidade Federal de Uberlândia, Av. João Naves de Ávila, 2121, Uberlândia, MG, 38408-100, Brazil
| | - João Henrique G Lago
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Avenida dos Estados, 5001, Santo André, SP, 09210-580, Brazil
| | - Josué de Moraes
- Núcleo de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, Praça Tereza Cristina, 88, Guarulhos, SP, 07023-070, Brazil
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12
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Rodrigues de Oliveira M, Anjos da Silva L, Santos Da Silva R, Branco de Queiroz CC, Takeara R. Chemical composition and biological activities of essential oils of Piper species from the Amazon. JOURNAL OF ESSENTIAL OIL RESEARCH 2021. [DOI: 10.1080/10412905.2021.1942250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | - Laenir Anjos da Silva
- Instituto De Ciências Exatas E Tecnologia, Universidade Federal Do Amazonas, Itacoatiara, Brasil
| | - Roosalyn Santos Da Silva
- Instituto De Ciências Exatas E Tecnologia, Universidade Federal Do Amazonas, Itacoatiara, Brasil
| | | | - Renata Takeara
- Instituto De Ciências Exatas E Tecnologia, Universidade Federal Do Amazonas, Itacoatiara, Brasil
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13
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Dewitte P, Van Kerckvoorde V, Beliën T, Bylemans D, Wenseleers T. Identification of Blackberry ( Rubus fruticosus) Volatiles as Drosophila suzukii Attractants. INSECTS 2021; 12:insects12050417. [PMID: 34066514 PMCID: PMC8148594 DOI: 10.3390/insects12050417] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/28/2021] [Accepted: 05/01/2021] [Indexed: 11/16/2022]
Abstract
The spotted wing drosophila, Drosophila suzukii, is an invasive pest species from Southeast Asia that was recently introduced in Europe and North America. As this fruit fly lays its eggs in ripening soft-skinned fruit, it causes great damage to a variety of crops, including cherries, blueberries, blackberries, raspberries, grapes, plums and strawberries. Consequently, there is a great demand for an effective and species-specific lure, which requires the development of successful attractants. Until now, there is no lure available that is species-specific and can detect the presence of D. suzukii before infestation. As blackberry (Rubus fruticosus) is one of the preferred host crops of D. suzukii, the volatile compounds of R. fruticosus berries are here identified and quantified using multiple headspace SPME (solid phase micro extraction) GC-MS (gas chromatography-mass spectrometry). Subsequently, the attractivity of 33 of the identified compounds was tested with a two-choice laboratory bioassay. Acetaldehyde, hexyl acetate, linalool, myrtenol, L-limonene and camphene came out as significantly attractive to D. suzukii. The first four attractive compounds induced the strongest effect and therefore provided the best prospects to be implemented in a potential lure. These findings could contribute towards the development of more effective attractants for monitoring and mass trapping D. suzukii.
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Affiliation(s)
- Peter Dewitte
- Laboratory of Socioecology and Social Evolution, Department of Biology, KU Leuven, Naamsestraat 59, B-3000 Leuven, Belgium;
- Correspondence:
| | - Vincent Van Kerckvoorde
- Zoology Department, Research Centre for Fruit Cultivation (pcfruit npo), Fruittuinweg 1, B-3800 Sint-Truiden, Belgium; (V.V.K.); (T.B.); (D.B.)
| | - Tim Beliën
- Zoology Department, Research Centre for Fruit Cultivation (pcfruit npo), Fruittuinweg 1, B-3800 Sint-Truiden, Belgium; (V.V.K.); (T.B.); (D.B.)
| | - Dany Bylemans
- Zoology Department, Research Centre for Fruit Cultivation (pcfruit npo), Fruittuinweg 1, B-3800 Sint-Truiden, Belgium; (V.V.K.); (T.B.); (D.B.)
- Department of Biosystems, KU Leuven, Decroylaan 42, B-3001 Heverlee, Belgium
| | - Tom Wenseleers
- Laboratory of Socioecology and Social Evolution, Department of Biology, KU Leuven, Naamsestraat 59, B-3000 Leuven, Belgium;
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Blouquy L, Mottet C, Olivares J, Plantamp C, Siegwart M, Barrès B. How varying parameters impact insecticide resistance bioassay: An example on the worldwide invasive pest Drosophila suzukii. PLoS One 2021; 16:e0247756. [PMID: 33667239 PMCID: PMC7935283 DOI: 10.1371/journal.pone.0247756] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 02/12/2021] [Indexed: 11/18/2022] Open
Abstract
Monitoring pesticide resistance is essential for effective and sustainable agricultural practices. Bioassays are the basis for pesticide-resistance testing, but devising a reliable and reproducible method can be challenging because these tests are carried out on living organisms. Here, we investigated five critical parameters and how they affected the evaluation of resistance to the organophosphate phosmet or the pyrethroid lambda-cyhalothrin using a tarsal-contact protocol on Drosophila suzukii, a worldwide invasive pest. Three of the parameters were related to insect biology: (i) sex, (ii) age of the imago (adult stage) and (iii) genetic diversity of the tested population. The two remaining parameters were linked to the experimental setup: (iv) the number of individuals tested per dose and (v) the duration of exposure to the active ingredient. Results showed that response to insecticide differed depending on sex, males being twice as susceptible to phosmet as females. Age principally affected young females' susceptibility to phosmet, because 0-24 hour-old flies were twice as susceptible as 24-48 hour-old and 72-96 hour-old females. Genetic diversity had no observable effect on resistance levels. The precision and accuracy of the median lethal dose (LD50) were greatly affected by the number of individuals tested per dose with a threshold effect. Finally, optimal duration of exposure to the active ingredient was 24 h, as we found an underestimation of mortality when assessed between 1 and 5 h after exposure to lambda-cyhalothrin. None of the main known point mutations on the para sodium channel gene associated with a knockdown effect were observed. Our study demonstrates the importance of calibrating the various parameters of a bioassay to develop a reliable method. It also provides a valuable and transferable protocol for monitoring D. suzukii resistance worldwide.
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Affiliation(s)
- Lucile Blouquy
- Université de Lyon, Anses, INRAE, USC CASPER, Lyon, France
- PSH - Unité de recherche Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | - Claire Mottet
- Université de Lyon, Anses, INRAE, USC CASPER, Lyon, France
| | - Jérôme Olivares
- PSH - Unité de recherche Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | | | - Myriam Siegwart
- PSH - Unité de recherche Plantes et Systèmes de Culture Horticoles, INRAE, Avignon, France
| | - Benoit Barrès
- Université de Lyon, Anses, INRAE, USC CASPER, Lyon, France
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15
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Insecticidal and oviposition deterrent effects of essential oils of Baccharis spp. and histological assessment against Drosophila suzukii (Diptera: Drosophilidae). Sci Rep 2021; 11:3944. [PMID: 33597617 PMCID: PMC7889903 DOI: 10.1038/s41598-021-83557-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 02/04/2021] [Indexed: 01/31/2023] Open
Abstract
The diverse flora of the Atlantic Forest is fertile ground for discovering new chemical structures with insecticidal activity. The presence of species belonging to the genus Baccharis is of particular interest, as these species have shown promise in pest management applications. The objective of this study is to chemically identify the constituents expressed in the leaves of seven species of Baccharis (B. anomala DC., B. calvescens DC., B. mesoneura DC., B. milleflora DC., B. oblongifolia Pers., B. trimera (Less) DC. and B. uncinella DC.) and to evaluate the toxicological and morphological effects caused by essential oils (EOs) on the larvae and adults of Drosophila suzukii (Diptera: Drosophilidae). Chemical analysis using gas chromatography-mass spectrometry (GC-MS) indicated that limonene was the main common constituent in all Baccharis species. This constituent in isolation, as well as the EOs of B. calvescens, B. mesoneura, and B. oblongifolia, caused mortality in over 80% of adults of D. suzukii at a discriminatory concentration of 80 mg L-1 in bioassays of ingestion and topical application. These results are similar to the effect of spinosyn-based synthetic insecticides (spinetoram 75 mg L-1) 120 h after exposure. Limonene and EOs from all species had the lowest LC50 and LC90 values relative to spinosyn and azadirachtin (12 g L-1) in both bioassays. However, they showed the same time toxicity over time as spinetoram when applied to adults of D. suzukii (LT50 ranging from 4.6 to 8.7 h) in a topical application bioassay. In olfactometry tests, 92% of D. suzukii females showed repellent behavior when exposed to the EOs and limonene. Likewise, the EOs of B. calvescens, B. mesoneura, and B. oblongifolia significantly reduced the number of eggs in artificial fruits (≅ 7.6 eggs fruit-1), differing from the control treatment with water (17.2 eggs fruit-1) and acetone (17.6 eggs fruit-1). According to histological analyses, the L3 larvae of D. suzukii had morphological and physiological alterations and deformations after exposure to treatments containing EOs and limonene, which resulted in high larval, pupal, and adult mortality. In view of the results, Baccharis EOs and their isolated constituent, limonene, proved to be promising alternatives for developing bioinsecticides to manage of D. suzukii.
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Eben A, Sporer F, Vogt H, Wetterauer P, Wink M. Search for Alternative Control Strategies of Drosophila suzukii (Diptera: Drosophilidae): Laboratory Assays Using Volatile Natural Plant Compounds. INSECTS 2020; 11:insects11110811. [PMID: 33217940 PMCID: PMC7698706 DOI: 10.3390/insects11110811] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/06/2020] [Accepted: 11/09/2020] [Indexed: 11/23/2022]
Abstract
Simple Summary Adult flies of the invasive fruit pest, Drosophila suzukii, commonly known as spotted wing drosophila, showed susceptibility towards several natural plant products tested in bioassays under laboratory conditions. Depending on the compound tested, contact toxicity, modified food uptake, or reduction in numbers of eggs deposited and hatched was found. The natural plant substances thereby identified will be further assessed under field conditions and can be used to develop innovative pest control strategies. Abstract Drosophila suzukii (Diptera: Drosophilidae), is native to southeastern Asia and invaded Europe during the past decade. It causes serious economic damage in cherries and soft fruits. Control strategies rely on few insecticides with varying success. Due to environmental concern, the use of synthetic chemicals is restricted. Therefore, research effort is put into the quest for alternative substances applicable in chemical pest control. In laboratory assays, we tested 17 volatile plant compounds from different chemical classes for their contact toxicity, feeding modification, and oviposition repellency. Toxicity through contact with treated surfaces was evaluated after 1 h, 4 h, and 24 h; effects on food uptake were observed with capillary feeding (CAFE)—tests and oviposition trials compared egg numbers laid in raspberry medium with or without treated filter paper. Cinnamon oil and its components had the highest contact toxicity with an LC90 = 2–3%, whereas lemongrass oil, its main components, and farnesol were less toxic (LC90 = 7–9%), and geraniol was the least toxic. In CAFE tests, feeding stimulation was observed through 0.1% and 1% solutions of citronellol, lemongrass oil and farnesol. Cinnamon oil, cinnamaldhyde, and ethyl cinnamate were not consumed at a concentration of 1%. In the presence of citral, eugenol, and lemongrass oil, oviposition was reduced, and in the presence of limonene, no eggs were deposited. The natural products found most efficient in either bioassay will be further tested under field conditions.
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Affiliation(s)
- Astrid Eben
- Julius Kühn-Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Fruit Crops and Viticulture, Schwabenheimer Straße 101, 69221 Dossenheim, Germany;
- Correspondence: ; Tel.: +49-(0)6221-86-805-28
| | - Frank Sporer
- Institute for Pharmacy and Molecular Biotechnology (IPMB), Im Neuenheimer Feld 364, Heidelberg University, 69210 Heidelberg, Germany; (F.S.); (P.W.); (M.W.)
| | - Heidrun Vogt
- Julius Kühn-Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Fruit Crops and Viticulture, Schwabenheimer Straße 101, 69221 Dossenheim, Germany;
| | - Pille Wetterauer
- Institute for Pharmacy and Molecular Biotechnology (IPMB), Im Neuenheimer Feld 364, Heidelberg University, 69210 Heidelberg, Germany; (F.S.); (P.W.); (M.W.)
| | - Michael Wink
- Institute for Pharmacy and Molecular Biotechnology (IPMB), Im Neuenheimer Feld 364, Heidelberg University, 69210 Heidelberg, Germany; (F.S.); (P.W.); (M.W.)
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17
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Ebadollahi A, Setzer WN. Evaluation of the Toxicity of Satureja intermedia C. A. Mey Essential Oil to Storage and Greenhouse Insect Pests and a Predator Ladybird. Foods 2020; 9:E712. [PMID: 32498219 PMCID: PMC7353542 DOI: 10.3390/foods9060712] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 05/21/2020] [Accepted: 05/21/2020] [Indexed: 11/16/2022] Open
Abstract
The use of chemical insecticides has had several side-effects, such as environmental contamination, foodborne residues, and human health threats. The utilization of plant-derived essential oils as efficient bio-rational agents has been acknowledged in pest management strategies. In the present study, the fumigant toxicity of essential oil isolated from Satureja intermedia was assessed against cosmopolitan stored-product insect pests: Trogoderma granarium Everts (khapra beetle), Rhyzopertha dominica (Fabricius) (lesser grain borer), Tribolium castaneum (Herbst) (red flour beetle), and Oryzaephilus surinamensis (L.) (saw-toothed grain beetle). The essential oil had significant fumigant toxicity against tested insects, which positively depended on essential oil concentrations and the exposure times. Comparative contact toxicity of S. intermedia essential oil was measured against Aphis nerii Boyer de Fonscolombe (oleander aphid) and its predator Coccinella septempunctata L. (seven-spot ladybird). Adult females of A. nerii were more susceptible to the contact toxicity than the C. septempunctata adults. The dominant compounds in the essential oil of S. intermedia were thymol (48.1%), carvacrol (11.8%), p-cymene (8.1%), and γ-terpinene (8.1%). The high fumigant toxicity against four major stored-product insect pests, the significant aphidicidal effect on A. nerii, and relative safety to the general predator C. septempunctata make terpene-rich S. intermedia essential oil a potential candidate for use as a plant-based alternative to the detrimental synthetic insecticides.
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Affiliation(s)
- Asgar Ebadollahi
- Moghan College of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil 56199-36514, Iran
| | - William N. Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
- Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USA
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Tampe J, Espinoza J, Chacón-Fuentes M, Quiroz A, Rubilar M. Evaluation of Drimys winteri (Canelo) Essential Oil as Insecticide against Acanthoscelides obtectus (Coleoptera: Bruchidae) and Aegorhinus superciliosus (Coleoptera: Curculionidae). INSECTS 2020; 11:insects11060335. [PMID: 32486175 PMCID: PMC7349611 DOI: 10.3390/insects11060335] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/23/2020] [Accepted: 05/27/2020] [Indexed: 11/16/2022]
Abstract
Adverse effects caused by synthetic pesticides have increased interest in plant-derived insecticidal compounds, in particular essential oils, as a more compatible and ecofriendly alternative for pest control of economic importance. For this reason, the essential oil isolated from leaves and shoots of Drimys winteri (J.R. Forster & G. Forster)-also named canelo (CEO)-was investigated for its chemical profile and insecticidal action against Acanthoscelides obtectus (Say)-one of the most important post-harvest pests of dry beans in the world-and Aegorhinus superciliosus (Guérin)-a significant pest of fruit trees in Chile. The analysis by gas chromatography, paired with mass spectrometry (GC/MS) determined 56 compounds, corresponding to 92.28% of the detected compounds. Elemol (13.54%), γ-eudesmol (11.42%), β-eudesmol (8.49%), α-eudesmol (6.39%), α-pinene (7.92%) and β-pinene (5.17%) were the most abundant. Regarding the bioactivity of the CEO, the results demonstrated toxicological effects against A. obtectus. A concentration of 158.3 µL L-1 had a mortality rate of 94% after 24 h exposure. The LC50 and LC90 values at 24 h were 60.1 and 163.0 µL L-1. Moreover, behavioral bioassays showed a repellent effect against A. superciliosus with a dose of one microliter of CEO. Both sexes of the raspberry weevil stayed for very short times in the treated area with the oil (<0.8 min), showing a homogeneous repellency in the species. The overall data suggest that canelo leaves and shoots essential oil has an insecticide effect and is worth exploring to better understand the synergistic relationship between the compounds present in the essential oil.
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Affiliation(s)
- Jocelyne Tampe
- Technology and Processes Laboratory, Department of Chemical Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
- Scientific and Technological Bioresource Nucleus, BIOREN, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
- Correspondence: (J.T.); (M.R.)
| | - Javier Espinoza
- Laboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Casilla 54-D, Avenida Francisco Salazar 01145, Temuco 4811230, Chile; (J.E.); (M.C.-F.); (A.Q.)
- Centro de Excelencia en Investigación Biotecnológica Aplicada al Medio Ambiente (CIBAMA), Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
| | - Manuel Chacón-Fuentes
- Laboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Casilla 54-D, Avenida Francisco Salazar 01145, Temuco 4811230, Chile; (J.E.); (M.C.-F.); (A.Q.)
- Centro de Excelencia en Investigación Biotecnológica Aplicada al Medio Ambiente (CIBAMA), Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
| | - Andrés Quiroz
- Laboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Casilla 54-D, Avenida Francisco Salazar 01145, Temuco 4811230, Chile; (J.E.); (M.C.-F.); (A.Q.)
- Centro de Excelencia en Investigación Biotecnológica Aplicada al Medio Ambiente (CIBAMA), Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
| | - Mónica Rubilar
- Technology and Processes Laboratory, Department of Chemical Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
- Scientific and Technological Bioresource Nucleus, BIOREN, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
- Correspondence: (J.T.); (M.R.)
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