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Tateishi R, Ogawa-Kishida N, Fujii N, Nagata Y, Ohtsubo Y, Sasaki S, Takashima K, Kaneko T, Higashitani A. Increase of secondary metabolites in sweet basil (Ocimum basilicum L.) leaves by exposure to N 2O 5 with plasma technology. Sci Rep 2024; 14:12759. [PMID: 38834771 DOI: 10.1038/s41598-024-63508-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Accepted: 05/29/2024] [Indexed: 06/06/2024] Open
Abstract
Exposure to N2O5 generated by plasma technology activates immunity in Arabidopsis through tryptophan metabolites. However, little is known about the effects of N2O5 exposure on other plant species. Sweet basil synthesizes many valuable secondary metabolites in its leaves. Therefore, metabolomic analyses were performed at three different exposure levels [9.7 (Ex1), 19.4 (Ex2) and 29.1 (Ex3) μmol] to assess the effects of N2O5 on basil leaves. As a result, cinnamaldehyde and phenolic acids increased with increasing doses. Certain flavonoids, columbianetin, and caryophyllene oxide increased with lower Ex1 exposure, cineole and methyl eugenol increased with moderate Ex2 exposure and L-glutathione GSH also increased with higher Ex3 exposure. Furthermore, gene expression analysis by quantitative RT-PCR showed that certain genes involved in the syntheses of secondary metabolites and jasmonic acid were significantly up-regulated early after N2O5 exposure. These results suggest that N2O5 exposure increases several valuable secondary metabolites in sweet basil leaves via plant defense responses in a controllable system.
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Affiliation(s)
- Rie Tateishi
- Graduate School of Life Sciences, Tohoku University, Sendai, 980-8577, Japan
| | | | - Nobuharu Fujii
- Graduate School of Life Sciences, Tohoku University, Sendai, 980-8577, Japan
| | - Yuji Nagata
- Graduate School of Life Sciences, Tohoku University, Sendai, 980-8577, Japan
| | - Yoshiyuki Ohtsubo
- Graduate School of Life Sciences, Tohoku University, Sendai, 980-8577, Japan
| | - Shota Sasaki
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
| | - Keisuke Takashima
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
| | - Toshiro Kaneko
- Graduate School of Engineering, Tohoku University, Sendai, 980-8579, Japan
| | - Atsushi Higashitani
- Graduate School of Life Sciences, Tohoku University, Sendai, 980-8577, Japan.
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Ben Romdhane O, Baccari W, Saidi I, Flamini G, Ascrizzi R, Chaieb I, Halim Harrath A, Jannet HB. Chemical Composition, Repellent, and Phytotoxic Potentials of the Fractionated Resin Essential Oil from Araucaria heterophylla Growing in Tunisia. Chem Biodivers 2024; 21:e202400185. [PMID: 38513004 DOI: 10.1002/cbdv.202400185] [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: 01/22/2024] [Revised: 03/05/2024] [Accepted: 03/19/2024] [Indexed: 03/23/2024]
Abstract
The resin essential oil (REO) of the Tunisian Araucaria heterophylla trunk bark was investigated for its chemical composition. Then, it was evaluated for its insecticidal and allelopathic activities. The REO was obtained by hydrodistillation for 9 h (yield of 4.2 % w/w). Moreover, fractional hydrodistillation was carried out at 3-hour intervals, resulting in 3 fractions (R1-R3), to facilitate chemical identification and localization of the aforementioned biological activities. GC/MS analysis of the obtained samples allowed the identification of 25 compounds, representing between 91.2 and 96.3 % of their total constituents, which consisted predominantly of sesquiterpene hydrocarbons, oxygenated sesquiterpenes and diterpene hydrocarbons. α-Copaene (10.8 %), γ-muurolene (5.8 %), α-copaen-11-ol (7.8 %), spathulenol (10.5 %), 15-copaenol (8.2 %), ylangenal (10.3 %), dehydrosaussurea lactone (7.7 %), and sandaracopimaradiene (11.4 %) were identified as major compounds. The second part aimed to assess the impact of the A. heterophylla EO and its three fractions for their insecticidal and repellent activity against Tribolium castaneum (Herbst), a stored grain pest, of which a strong repellent activity was noted. In addition, the studied samples showed high phytotoxic effects against Lactuca sativa. The third fraction (R3) performed a total inhibitory potential on seed germination and seedling growth of the target plant. Furthermore, alongside this discovery, an estimation was conducted through molecular docking analysis. Wherein the main compounds of the studied samples were docked into the active pocket of protoporphyrinogen IX oxidase (PDB: 1SEZ), a key enzyme in chlorophyll biosynthesis. Thus, it is recommended to use the REO of A. heterophylla as a natural herbicide.
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Affiliation(s)
- Oumayma Ben Romdhane
- Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11ES39), Team: Medicinal Chemistry and Natural Products, Faculty of Science of Monastir, University of Monastir, Avenue of Environment, 5019, Monastir, Tunisia Phone
| | - Wiem Baccari
- Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11ES39), Team: Medicinal Chemistry and Natural Products, Faculty of Science of Monastir, University of Monastir, Avenue of Environment, 5019, Monastir, Tunisia Phone
| | - Ilyes Saidi
- Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11ES39), Team: Medicinal Chemistry and Natural Products, Faculty of Science of Monastir, University of Monastir, Avenue of Environment, 5019, Monastir, Tunisia Phone
| | - Guido Flamini
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno 6, 56126, Pisa, Italy
- Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute" Nutrafood, University of Pisa, Italy
| | - Roberta Ascrizzi
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno 6, 56126, Pisa, Italy
- Centro Interdipartimentale di Ricerca "Nutraceutica e Alimentazione per la Salute" Nutrafood, University of Pisa, Italy
| | - Ikbal Chaieb
- Laboratory of Horticultural production and protection (LR21AGR03) Regional Centre of Research on Horticulture and Organic Agriculture, 57, University of Sousse, Chott Mariem, TN-4042, Sousse, Tunisia
| | - Abdel Halim Harrath
- Department of Zoology, College of Science, King Saud University, Riyad, 11451, Saudi Arabia
| | - Hichem Ben Jannet
- Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11ES39), Team: Medicinal Chemistry and Natural Products, Faculty of Science of Monastir, University of Monastir, Avenue of Environment, 5019, Monastir, Tunisia Phone
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Lokesh M, Sreekrishnakumar AK, Sahu U, Vendan SE. Influence of molecular descriptors of plant volatilomics on fumigant action against the three major stored product beetle pests. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:35455-35469. [PMID: 38730215 DOI: 10.1007/s11356-024-33483-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 04/23/2024] [Indexed: 05/12/2024]
Abstract
Plant volatilomics such as essential oils (EOs) and volatile phytochemicals (PCs) are known as potential natural sources for the development of biofumigants as an alternative to conventional fumigant pesticides. This present work was aimed to evaluate the fumigant toxic effect of five selected EOs (cinnamon, garlic, lemon, orange, and peppermint) and PCs (citronellol, limonene, linalool, piperitone, and terpineol) against the Callosobruchus maculatus, Sitophilus oryzae, and Tribolium castaneum adults. Furthermore, for the estimation of the relationship between molecular descriptors and fumigant toxicity of plant volatiles, quantitative structural activity relationship (QSAR) models were developed using principal component analysis and multiple linear regression. Amongst the tested EOs, garlic EO was found to be the most toxic fumigant. The PCs toxicity analysis revealed that terpineol, limonene, linalool, and piperitone as potential fumigants to C. maculatus (< 20 µL/L air of LC50), limonene and piperitone as potential fumigants to T. castaneum (14.35 and 154.11 µL/L air of LC50, respectively), and linalool and piperitone as potential fumigants to S. oryzae (192.27 and 69.10 µL/L air of LC50, respectively). QSAR analysis demonstrated the role of various molecular descriptors of EOs and PCs on the fumigant toxicity in insect pest species. In specific, dipole and Randic index influence the toxicity in C. maculatus, molecular weight and maximal projection area influence the toxicity in S. oryzae, and boiling point and Dreiding energy influence the toxicity in T. castaneum. The present findings may provide insight of a new strategy to select effective EOs and/or PCs against stored product insect pests.
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Affiliation(s)
- Madhurya Lokesh
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India
| | - Aswathi Kozhissery Sreekrishnakumar
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Urvashi Sahu
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Subramanian Ezhil Vendan
- Food Protectants and Infestation Control Department, CSIR-Central Food Technological Research Institute, Mysore, 570 020, Karnataka, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India.
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Muñoz-Acevedo A, González MC, Alonso JE, Flórez KC. The Repellent Capacity against Sitophilus zeamais (Coleoptera: Curculionidae) and In Vitro Inhibition of the Acetylcholinesterase Enzyme of 11 Essential Oils from Six Plants of the Caribbean Region of Colombia. Molecules 2024; 29:1753. [PMID: 38675573 PMCID: PMC11051817 DOI: 10.3390/molecules29081753] [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: 10/15/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 04/28/2024] Open
Abstract
The repellent capacity against Sitophilus zeamais and the in vitro inhibition on AChE of 11 essential oils, isolated from six plants of the northern region of Colombia, were assessed using a modified tunnel-type device and the Ellman colorimetric method, respectively. The results were as follows: (i) the degree of repellency (DR) of the EOs against S. zeamais was 20-68% (2 h) and 28-74% (4 h); (ii) the IC50 values on AChE were 5-36 µg/mL; likewise, the %inh. on AChE (1 µg/cm3 per EO) did not show any effect in 91% of the EO tested; (iii) six EOs (Bursera graveolens-bark, B. graveolens-leaves, B. simaruba-bark, Peperomia pellucida-leaves, Piper holtonii (1b*)-leaves, and P. reticulatum-leaves) exhibited a DR (53-74%) ≥ C+ (chlorpyrifos-61%), while all EOs were less active (8-60-fold) on AChE compared to chlorpyrifos (IC50 of 0.59 µg/mL). Based on the ANOVA/linear regression and multivariate analysis of data, some differences/similarities could be established, as well as identifying the most active EOs (five: B. simaruba-bark, Pep. Pellucida-leaves, P. holtonii (1b*)-leaves, B. graveolens-bark, and B. graveolens-leaves). Finally, these EOs were constituted by spathulenol (24%)/β-selinene (18%)/caryophyllene oxide (10%)-B. simaruba; carotol (44%)/dillapiole (21%)-Pep. pellucida; dillapiole (81% confirmed by 1H-/13C-NMR)-P. holtonii; mint furanone derivative (14%)/mint furanone (14%)-B. graveolens-bark; limonene (17%)/carvone (10%)-B. graveolens-leaves.
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Affiliation(s)
- Amner Muñoz-Acevedo
- Department of Chemistry and Biology, Universidad del Norte, Puerto Colombia 081007, Colombia;
| | - María C. González
- Department of Chemistry and Biology, Universidad del Norte, Puerto Colombia 081007, Colombia;
| | - Jesús E. Alonso
- Department of Mathematics and Statistics, Universidad del Norte, Puerto Colombia 081007, Colombia; (J.E.A.); (K.C.F.)
| | - Karen C. Flórez
- Department of Mathematics and Statistics, Universidad del Norte, Puerto Colombia 081007, Colombia; (J.E.A.); (K.C.F.)
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Farag SM, Moustafa MAM, Fónagy A, Kamel OMHM, Abdel-Haleem DR. Chemical composition of four essential oils and their adulticidal, repellence, and field oviposition deterrence activities against Culex pipiens L. (Diptera: Culicidae). Parasitol Res 2024; 123:110. [PMID: 38267697 PMCID: PMC10808171 DOI: 10.1007/s00436-024-08118-z] [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: 05/10/2023] [Accepted: 01/05/2024] [Indexed: 01/26/2024]
Abstract
Effective mosquito repellents can limit the transmission of vector-borne diseases to humans. Consequently, there is an urgent need to develop mosquito control strategies that prioritize eco-friendly and cost-effective repellents. Essential oils (EOs) have enormous potential for mosquito repellency. Here, cinnamon, basil, eucalyptus, and peppermint EOs were investigated for adulticide and repellency properties against Culex pipiens as well on the oviposition behavior of gravid females from laboratory (lab test) and field (field test) populations. Cinnamon oil was an effective oviposition deterrent regardless of the population and had high adulticidal activity with toxicity index of 75.00% at 24 h of exposure, relative to deltamethrin. In addition, it exhibited effective repellency at 98.01% and 71.22% at 6.67 and 1.71 µl/cm2, respectively. Peppermint oil had the least adulticidal activity with toxicity index of 6.2% at 24 h, and it resulted in low repellency at 70.90% and 50.64% at 6.67 and 1.71 µl/cm2, respectively. On average, basil and eucalyptus oils showed some adulticidal efficiency, repellency, and oviposition deterrent activity. For all treatments, the oviposition deterrent index values of gravid females from natural populations (field test) were lower than those from lab-reared (lab test) females. Different ratios of monoterpenoids, phenylpropanoids, and fatty acids in the EOs tested likely account for the activity variations observed. Our results suggest cinnamon, basil, eucalyptus, and peppermint EOs, which are widely available, economical, and eco-friendly, with good potential for mosquito control strategies.
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Affiliation(s)
- Shaimaa M Farag
- Department of Entomology, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Moataz A M Moustafa
- Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt.
| | - Adrien Fónagy
- Zoology Department, Plant Protection Institute, Centre for Agricultural Research, ELKH (Eötvös Lóránd Research Network), 1022, Budapest, Hungary.
| | - Omnia M H M Kamel
- Applied Organic Chemistry Department, Institute of Industrial Chemistry Research, National Research Center, Giza, 12622, Egypt
| | - Doaa R Abdel-Haleem
- Department of Entomology, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
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Verdú JR, Cortez V, Rosa-García R, Ortiz AJ, García-Prieto U, Lumaret JP, García Romero C, Sánchez-Piñero F. Nontoxic effects of thymol, carvacrol, cinnamaldehyde, and garlic oil on dung beetles: A potential alternative to ecotoxic anthelmintics. PLoS One 2023; 18:e0295753. [PMID: 38117762 PMCID: PMC10732372 DOI: 10.1371/journal.pone.0295753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 11/28/2023] [Indexed: 12/22/2023] Open
Abstract
The sustainability of the traditional extensive livestock sector will only be possible if healthy dung-decomposing insect communities are preserved. However, many current pharmaceutical anthelmintics are harmful to dung beetles, their presence can have a negative impact on biological systems. Phytochemical anthelmintics are an alternative to ecotoxic synthetic pharmaceutical anthelmintics, although ecotoxicological tests of their possible indirect effects on dung beetles are required to demonstrate their viability. In this study, the potential ecotoxicity of thymol, carvacrol, cinnamaldehyde and garlic oil (diallyl disulfide and diallyl trisulfide) were tested for the first time. Inhibition of antennal response was measured as a relevant parameter by obtaining relevant toxicity thresholds derived from concentration‒response curves, such as the IC50. All phytochemical compounds tested were demonstrated to be suitable alternative candidates to the highly ecotoxic compound ivermectin, considering their non-toxicity to nontarget organisms. Residues of the phytochemical antiparasitics found in cattle droppings were extremely low, even undetectable in the case of diallyl disulfide and diallyl trisulfide. Furthermore, our results showed that none of the phytochemical compounds have ecotoxic effects, even at extremely high concentrations, including those almost 1000 times higher than what is most likely to be found in dung susceptible to ingestion by dung beetles in the field. We can conclude that the four selected phytochemical compounds meet the requirements to be considered reliable alternatives to ecotoxic veterinary medicinal products, such as ivermectin.
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Affiliation(s)
- José R. Verdú
- Research Institute CIBIO (Centro Iberoamericano de la Biodiversidad), Science Park, Universidad de Alicante, Alicante, Spain
| | - Vieyle Cortez
- Research Institute CIBIO (Centro Iberoamericano de la Biodiversidad), Science Park, Universidad de Alicante, Alicante, Spain
| | - Rocío Rosa-García
- SERIDA – Servicio Regional de Investigación y Desarrollo Agroalimentario, Villaviciosa, Asturias, Spain
| | - Antonio J. Ortiz
- Departamento de Química Inorgánica y Química Orgánica, Universidad de Jaén, Campus Las Lagunillas, Jaén, Spain
| | - Urcesino García-Prieto
- SERIDA – Servicio Regional de Investigación y Desarrollo Agroalimentario, Villaviciosa, Asturias, Spain
| | - Jean-Pierre Lumaret
- Laboratoire Zoogéographie, Université Paul Valéry Montpellier 3, Montpellier, France
| | - Carmelo García Romero
- Sociedad Española de Agricultura Ecológica (SEAE), Escuela Capataces Agrícolas, Catarroja, Valencia, Spain
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Li Z, Yu J, Xu H, Michaud JP, Liu Y, Liu X, Xu H. Intercropping Okra and Castor Bean Reduces Recruitment of Oriental Fruit Moth, Grapholita molesta (Lepidoptera: Tortricidae) in a Pear Orchard. INSECTS 2023; 14:885. [PMID: 37999084 PMCID: PMC10672554 DOI: 10.3390/insects14110885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/14/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023]
Abstract
Intercrops can lower pest densities by increasing plant diversity, altering chemical communication in the arthropod community, and integrating well with other IPM tactics. We used two years of field observations and Y-tube olfactometer assays to explore the effects of intercropping a pear orchard with okra and castor bean on the cosmopolitan fruit-boring pest Grapholita molesta (Lepidoptera: Tortricidae). Intercropping okra reduced G. molesta trap catches in the pear orchard in both years, and intercropping with castor bean reduced them in the second year. Hydrocarbons, phenols, and ketones predominated in the GC-MS assay of okra volatiles, whereas castor bean volatiles were rich in aldehydes, ketones, and esters. Five of the commercially available volatiles released by these plants exhibited repellency to G. molesta in olfactometer trials, especially cinnamaldehyde, dibutyl phthalate, and thymol; the former compound also exhibited attraction to the egg parasitoid Trichogamma dendrolimi (Hymenoptera: Trichogrammatidae). In addition to their repellent properties, okra and castor bean may enhance integrated control of G. molesta in orchards by hosting prey that support populations of generalist predators that either provide biological pest control services within the orchard ecosystem or generate non-consumptive effects that contribute to pest deterence. Among the plant volatiles evaluated, cinnamaldehyde has the best potential for deployment in orchards to repel G. molesta without disrupting augmentative releases of T. dendrolimi.
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Affiliation(s)
- Zhen Li
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Z.L.); (J.Y.); (H.X.); (Y.L.); (X.L.)
| | - Jianmei Yu
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Z.L.); (J.Y.); (H.X.); (Y.L.); (X.L.)
- Shandong Zibo Academy of Agricultural Sciences, Zibo 255033, China
| | - Haoyang Xu
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Z.L.); (J.Y.); (H.X.); (Y.L.); (X.L.)
| | - J. P. Michaud
- Department of Entomology, Kansas State University, Agricultural Research Center-Hays, Hays, KS 67601, USA;
| | - Yanjun Liu
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Z.L.); (J.Y.); (H.X.); (Y.L.); (X.L.)
| | - Xiaoxia Liu
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Z.L.); (J.Y.); (H.X.); (Y.L.); (X.L.)
| | - Huanli Xu
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China; (Z.L.); (J.Y.); (H.X.); (Y.L.); (X.L.)
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Zhang G, Li T, Liu J, Wu X, Yi H. Cinnamaldehyde-Contained Polymers and Their Biomedical Applications. Polymers (Basel) 2023; 15:polym15061517. [PMID: 36987298 PMCID: PMC10051895 DOI: 10.3390/polym15061517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/03/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Cinnamaldehyde, a natural product that can be extracted from a variety of plants of the genus Cinnamomum, exhibits excellent biological activities including antibacterial, antifungal, anti-inflammatory, and anticancer properties. To overcome the disadvantages (e.g., poor water solubility and sensitivity to light) or enhance the advantages (e.g., high reactivity and promoting cellular reactive oxygen species production) of cinnamaldehyde, cinnamaldehyde can be loaded into or conjugated with polymers for sustained or controlled release, thereby prolonging the effective action time of its biological activities. Moreover, when cinnamaldehyde is conjugated with a polymer, it can also introduce environmental responsiveness to the polymer through the form of stimuli-sensitive linkages between its aldehyde group and various functional groups of polymers. The environmental responsiveness provides the great potential of cinnamaldehyde-conjugated polymers for applications in the biomedical field. In this review, the strategies for preparing cinnamaldehyde-contained polymers are summarized and their biomedical applications are also reviewed.
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Affiliation(s)
- Guangyan Zhang
- School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan 430068, China
- Correspondence: (G.Z.); (J.L.)
| | - Tianlong Li
- School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Jia Liu
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Correspondence: (G.Z.); (J.L.)
| | - Xinran Wu
- School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan 430068, China
| | - Hui Yi
- School of Materials and Chemical Engineering, Hubei University of Technology, Wuhan 430068, China
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The Antimicrobial and Toxicity Influence of Six Carrier Oils on Essential Oil Compounds. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010030. [PMID: 36615224 PMCID: PMC9821837 DOI: 10.3390/molecules28010030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/08/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Essential oil compounds have been identified as alternative antimicrobials; however, their use is limited due to their toxicity on human lymphocytes, skin, and reproduction. Carrier oils can reduce the toxicity of essential oils, which raises the question as to whether such activity would extend to the essential oil compounds. Thus, this study aimed to investigate the antimicrobial and toxicity activity of essential oil compounds in combination with carrier oils. The antimicrobial properties of the essential oil compounds, alone and in combination with carrier oils, were determined using the broth microdilution assay. The toxicity was determined using the brine shrimp lethality assay. Antimicrobial synergy (ΣFIC ≤ 0.50) occurred in 3% of the samples when tested against the ESKAPE pathogens. The compound thymoquinone in combination with the carrier oil Prunus armeniaca demonstrated broad-spectrum synergistic activity and a selectivity index above four, highlighting this combination as the most favorable. The carrier oils reduced the toxicity of several compounds, with Calendula officinalis and P. armeniaca carrier oils being responsible for the majority of the reduced toxicity observed. This study provides insight into the interactions that may occur when adding a carrier oil to essential oil compounds.
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Usseglio VL, Dambolena JS, Zunino MP. Can Essential Oils Be a Natural Alternative for the Control of Spodoptera frugiperda? A Review of Toxicity Methods and Their Modes of Action. PLANTS (BASEL, SWITZERLAND) 2022; 12:3. [PMID: 36616132 PMCID: PMC9823514 DOI: 10.3390/plants12010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/02/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
Spodoptera frugiperda is a major pest of maize crops. The application of synthetic insecticides and the use of Bt maize varieties are the principal strategies used for its control. However, due to the development of pesticide resistance and the negative impact of insecticides on the environment, natural alternatives are constantly being searched for. Accordingly, the objective of this review was to evaluate the use of essential oils (EOs) as natural alternatives for controlling S. frugiperda. This review article covers the composition of EOs, methods used for the evaluation of EO toxicity, EO effects, and their mode of action. Although the EOs of Ocimum basilicum, Piper marginatum, and Lippia alba are the most frequently used, Ageratum conyzoides, P. septuplinervium. O. gratissimum and Siparuna guianensis were shown to be the most effective. As the principal components of these EOs vary, then their mode of action on the pest could be different. The results of our analysis allowed us to evaluate and compare the potential of certain EOs for the control of this insect. In order to obtain comparable results when evaluating the toxicity of EOs on S. frugiperda, it is important that methodological issues are taken into account.
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Affiliation(s)
- Virginia L. Usseglio
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Córdoba X5016GCN, Argentina
- Cátedra de Química General, Faculta de Ciencias Exactas, Físicas y Naturales (FCEFyN-UNC), Córdoba X5016GCN, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Córdoba X5016GCN, Argentina
| | - José S. Dambolena
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Córdoba X5016GCN, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Córdoba X5016GCN, Argentina
- Cátedras de Química Orgánica y Productos Naturales (FCEFyN-UNC), Córdoba X5016GCN, Argentina
| | - María P. Zunino
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Córdoba X5016GCN, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Córdoba X5016GCN, Argentina
- Cátedras de Química Orgánica y Productos Naturales (FCEFyN-UNC), Córdoba X5016GCN, Argentina
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Lazarević J, Kostić I, Šešlija Jovanović D, Ćalić D, Milanović S, Kostić M. Pure Camphor and a Thujone-Camphor Mixture as Eco-Friendly Antifeedants against Larvae and Adults of the Colorado Potato Beetle. PLANTS (BASEL, SWITZERLAND) 2022; 11:3587. [PMID: 36559699 PMCID: PMC9783734 DOI: 10.3390/plants11243587] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/03/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
The Colorado potato beetle (CPB) is a serious pest of economically important Solanaceae species. The use of essential oil compounds in pest management has been proposed as an alternative to harmful chemical insecticides that disturb human health and ecosystem functioning. We examined the antifeedant activity of three concentrations (0.125%, 0.25% and 0.5%) of pure camphor and a thujone-camphor mixture against 3rd instar larvae and adults. Their efficacy was evaluated according to the degree of leaf damage and avoidance of treated leaves by the CPB. Treatment of potato leaves significantly reduced leaf damage compared to the control. Leaf protection increased at higher concentrations of the examined compounds. Camphor was more effective against larvae and the thujone-camphor mixture was more effective against adults. Additionally, adults moved faster towards the control leaf disc in the two-choice olfactometer assay if an alternative disc was treated with a thujone-camphor mixture, whereas larvae responded similarly to the two potential repellents. However, after contact with the leaf disc treated with the highest compound concentration, the larvae escaped faster from the thujone-camphor mixture than from pure camphor. In conclusion, both examined compounds are promising eco-friendly antifeedants, but their efficacy depends on the developmental stage of the beetle, compound type and applied concentration.
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Affiliation(s)
- Jelica Lazarević
- Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
| | - Igor Kostić
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11030 Belgrade, Serbia
| | - Darka Šešlija Jovanović
- Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
| | - Dušica Ćalić
- Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
| | - Slobodan Milanović
- Faculty of Forestry, University of Belgrade, Kneza Višeslava 1, 11030 Belgrade, Serbia
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Technology, Mendel University, Zemědělská 3, 61300 Brno, Czech Republic
| | - Miroslav Kostić
- Institute for Medicinal Plant Research “Dr Josif Pančić”, Tadeuša Košćuška 1, 11000 Belgrade, Serbia
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12
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Achimón F, Peschiutta ML, Brito VD, Beato M, Pizzolitto RP, Zygadlo JA, Zunino MP. Exploring Contact Toxicity of Essential Oils against Sitophilus zeamais through a Meta-Analysis Approach. PLANTS (BASEL, SWITZERLAND) 2022; 11:3070. [PMID: 36432799 PMCID: PMC9696113 DOI: 10.3390/plants11223070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
Sitophilus zeamais is a primary pest of maize. Our aim was to perform a qualitative review and meta-analyses with 56 scientific articles published from 1 January 2000 to 1 October 2022 dealing with direct (topical application) and indirect (impregnation of essential oils, EOs, onto filter paper or maize grains) contact toxicity of EOs against S. zeamais. Three independent meta-analyses of single means of LD50 (direct contact) and LC50 (indirect contact) were conducted using a random effect model. Essential oils more frequently evaluated were those belonging to Asteraceae, Apiaceae, Lamiaceae, Myrtaceae, Piperaceae, and Rutaceae. The LC50 global mean values were 33.19 µg/insect (CI95 29.81-36.95) for topical application; 0.40 µL/cm2 (CI95 0.25-0.65) for filter paper indirect contact; and 0.50 µL/g maize (CI95 0.27-0.90) for maize grains indirect contact. The species Carum carvi, Salvia umbratica, Ilicium difengpi, Periploca sepium, Cephalotaxus sinensis, Murraya exotica, Rhododendron anthopogonoides, Ruta graveolens, Eucalyptus viminalis, Ocotea odorifera, Eucalyptus globulus, Eucalyptus dunnii, Anethum graveolens, Ilicium verum, Cryptocarya alba, Azadirachta indica, Chenopodium ambrosioides, Cupressus semperivens, Schinus molle, Piper hispidinervum, Mentha longifolia, and Croton pulegiodorus showed LC50 or LD50 values lower than the global means, indicating good insecticidal properties. Our results showed that EOs have great potential to be used as bioinsecticides against S. zeamais.
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Affiliation(s)
- Fernanda Achimón
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
| | - Maria L. Peschiutta
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
| | - Vanessa D. Brito
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
| | - Magalí Beato
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
| | - Romina P. Pizzolitto
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Facultad de Ciencias Agropecuarias, Departamento de Recursos Naturales, Cátedra de Microbiología Agrícola, Universidad Nacional de Córdoba, Av. Ing. Agr. Félix Aldo Marrone 735, Córdoba X5016GCA, Argentina
| | - Julio A. Zygadlo
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Facultad de Ciencias Exactas, Físicas y Naturales, Departamento de Química, Cátedra de Química Orgánica, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
| | - María P. Zunino
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Facultad de Ciencias Exactas, Físicas y Naturales, Departamento de Química, Cátedra de Química Orgánica, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
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13
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Demakov PA, Vasileva AA, Volynkin SS, Ryadun AA, Samsonenko DG, Fedin VP, Dybtsev DN. Cinnamal Sensing and Luminescence Color Tuning in a Series of Rare-Earth Metal-Organic Frameworks with Trans-1,4-cyclohexanedicarboxylate. Molecules 2021; 26:5145. [PMID: 34500580 PMCID: PMC8433715 DOI: 10.3390/molecules26175145] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 12/27/2022] Open
Abstract
Three isostructural metal-organic frameworks ([Ln2(phen)2(NO3)2(chdc)2]·2DMF (Ln3+ = Y3+ for 1, Eu3+ for 2 or Tb3+ for 3; phen = 1,10-phenanthroline; H2chdc = trans-1,4-cyclohexanedicarboxylic acid) were synthesized and characterized. The compounds are based on a binuclear block {M2(phen)2(NO3)2(OOCR)4} assembled into a two-dime nsional square-grid network containing tetragonal channels with 26% total solvent-accessible volume. Yttrium (1)-, europium (2)- and terbium (3)-based structures emit in the blue, red and green regions, respectively, representing the basic colors of the standard RGB matrix. A doping of Eu3+ and/or Tb3+ centers into the Y3+-based phase led to mixed-metal compositions with tunable emission color and high quantum yields (QY) up to 84%. The bright luminescence of a suspension of microcrystalline 3 in DMF (QY = 78%) is effectively quenched by diluted cinnamaldehyde (cinnamal) solutions at millimolar concentrations, suggesting a convenient and analytically viable sensing method for this important chemical.
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Affiliation(s)
- Pavel A. Demakov
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.A.V.); (S.S.V.); (A.A.R.); (D.G.S.); (V.P.F.); (D.N.D.)
| | - Alena A. Vasileva
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.A.V.); (S.S.V.); (A.A.R.); (D.G.S.); (V.P.F.); (D.N.D.)
- Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., 630090 Novosibirsk, Russia
| | - Sergey S. Volynkin
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.A.V.); (S.S.V.); (A.A.R.); (D.G.S.); (V.P.F.); (D.N.D.)
| | - Alexey A. Ryadun
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.A.V.); (S.S.V.); (A.A.R.); (D.G.S.); (V.P.F.); (D.N.D.)
| | - Denis G. Samsonenko
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.A.V.); (S.S.V.); (A.A.R.); (D.G.S.); (V.P.F.); (D.N.D.)
| | - Vladimir P. Fedin
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.A.V.); (S.S.V.); (A.A.R.); (D.G.S.); (V.P.F.); (D.N.D.)
| | - Danil N. Dybtsev
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (A.A.V.); (S.S.V.); (A.A.R.); (D.G.S.); (V.P.F.); (D.N.D.)
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14
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Usseglio VL, Dambolena JS, Martinez MJ, Zunino MP. The Role of Fumonisins in the Biological Interaction between Fusarium verticillioides and Sitophilus zeamais. J Chem Ecol 2020; 46:1059-1068. [PMID: 32946025 DOI: 10.1007/s10886-020-01220-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/24/2020] [Accepted: 09/15/2020] [Indexed: 01/10/2023]
Abstract
The aim of the current study was to investigate the entomopathogenic capacity of the mold Fusarium verticillioides and the effect of its mycotoxins fumonisins, on the grain beetle Sitophilus zeamais. We evaluated the capacity of this fungus to infect live insects, the antifungal activity of constituents of the insect's epicuticle, and the effect of a fumonisin extract on the fitness of the insects. We found that F. verticillioides could not penetrate the cuticle of S. zeamais and that the fumonisin extract had no negative effects on the fitness of the insects. However, the progeny of the insects increased, and the fumonisin extract had repellent effects. This is the first report about the effects of fumonisins on the relationship between F. verticillioides and S. zeamais, which may provide useful information about interactions between pathogenic microorganisms and insects, especially on stored product pests.
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Affiliation(s)
- V L Usseglio
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina.,Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina
| | - J S Dambolena
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina. .,Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina.
| | - M J Martinez
- Área Mejoramiento Genético Vegetal (EEA INTA Manfredi), Ruta N° 9 km 636, Manfredi, Córdoba, Argentina
| | - M P Zunino
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina.,Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina
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15
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Wang HY, Zhang MZ, Han X, Cong J, Wang SQ, He SL, Wei DS, Zhang YB, Qin J, Sampietro DA. Insecticidal and repellent efficacy of the essential oil from Lobularia maritima and trans-3-pentenenitrile against insect pests of stored grains. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2020. [DOI: 10.1080/10942912.2020.1778723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- H. Y. Wang
- College of Plant Science, Jilin University, Jilin, China
| | - M. Z. Zhang
- College of Plant Science, Jilin University, Jilin, China
| | - X. Han
- College of Plant Science, Jilin University, Jilin, China
| | - J. Cong
- College of Plant Science, Jilin University, Jilin, China
| | - S. Q. Wang
- College of Plant Science, Jilin University, Jilin, China
| | - S. L. He
- College of Plant Science, Jilin University, Jilin, China
| | - D. S. Wei
- Department of Biology, Centre for Wood Science, University of Hamburg, Hamburg, Germany
| | - Y. B. Zhang
- College of Plant Science, Jilin University, Jilin, China
| | - Jianchun Qin
- College of Plant Science, Jilin University, Jilin, China
| | - Diego A. Sampietro
- LABIFITO, Universidad Nacional De Tucuman, San Miguel De Tucuman, Argentina
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16
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Hull JJ, Yang YW, Miyasaki K, Brent CS. TRPA1 modulates noxious odor responses in Lygus hesperus. JOURNAL OF INSECT PHYSIOLOGY 2020; 122:104038. [PMID: 32113955 DOI: 10.1016/j.jinsphys.2020.104038] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 06/10/2023]
Abstract
Lygus hesperus isa key pest of many economically important crops across western North America. Central to many aspects of the lives of these insects is chemical signalling, with identified roles in host plant selection, aggregation and passive mate guarding. The development of novel monitoring and control approaches for this insect will rely on a sound understanding of how these cues are perceived and processed, and their impact on behavior. Towards this end, we investigated allyl isothiocyanate, cinnamaldehyde and citronellal, compounds that are noxious repellents to other insects. We found that L. hesperus avoided areas containing the three compounds and that exposure induced increases in movement velocity and duration in both nymphs and adults. This suggests these compounds may work as repellents. To better understand the underlying physiology of this response, RNA interference by dsRNA injection was used to inhibit the expression of two chemosensory-associated proteins, the odorant receptor co-receptor (Orco) and the transient receptor potential A (TRPA1) channel. While knockdown of Orco did not change the reaction of adult females to citronellal, TRPA1 silencing effectively eliminated the induced increase to movement, suggesting a chemoperceptory role in citronellal detection.
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Affiliation(s)
- J Joe Hull
- USDA-ARS, Arid Land Agricultural Research Center, 21881 North Cardon Lane, Maricopa, AZ, United States
| | - Yu-Wen Yang
- USDA-ARS, Arid Land Agricultural Research Center, 21881 North Cardon Lane, Maricopa, AZ, United States
| | - Katelyn Miyasaki
- USDA-ARS, Arid Land Agricultural Research Center, 21881 North Cardon Lane, Maricopa, AZ, United States
| | - Colin S Brent
- USDA-ARS, Arid Land Agricultural Research Center, 21881 North Cardon Lane, Maricopa, AZ, United States.
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17
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de Oliveira JL, Campos EVR, Germano-Costa T, Lima R, Vechia JFD, Soares ST, de Andrade DJ, Gonçalves KC, do Nascimento J, Polanczyk RA, Fraceto LF. Association of zein nanoparticles with botanical compounds for effective pest control systems. PEST MANAGEMENT SCIENCE 2019; 75:1855-1865. [PMID: 30653814 DOI: 10.1002/ps.5338] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 10/31/2018] [Accepted: 12/06/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Botanical compounds from plant species are known to have pesticidal activity and have been used in integrated pest management programs. The varied spectrum of the pesticidal action of these compounds can also avoid selection of resistance in pest populations. In this study, mixtures of the botanical compounds geraniol, eugenol and cinnamaldehyde were encapsulated in zein nanoparticles to improve their stability and efficiency. Biological effects of the nano-scale formulations of the botanical compounds were evaluated against two agricultural pests: the two-spotted spider mite (Tetranychus urticae) and the soybean looper (Chrysodeixis includes). RESULTS The formulations were stable over time (120 days) with a high encapsulation efficiency (>90%). Nanoencapsulation also provided protection against degradation of the compounds during storage and led to a decrease in toxicity to non-target organisms. The release of the compounds (especially eugenol and cinnamaldehyde) from the nanoparticles was directly influenced by temperature, and the main mechanism of release was through a diffusion-based process. Nanoencapsulated compounds also showed superior efficiency compared to the emulsified compounds in terms of repellency and insecticidal activity. CONCLUSION The findings of this study indicate that the convergence of botanical compounds with nano-scale formulation has the potential to improve efficacy for their sustainable use in integrated pest management in agriculture. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Jhones L de Oliveira
- São Paulo State University (UNESP), Institute of Science and Technology, São Paulo, Brazil
| | - Estefânia V R Campos
- São Paulo State University (UNESP), Institute of Science and Technology, São Paulo, Brazil
| | - Taís Germano-Costa
- LABiToN - Laboratory for Evaluation of Bioactivity and Toxicology of Nanomaterials, University of Sorocaba, São Paulo, Brazil
| | - Renata Lima
- LABiToN - Laboratory for Evaluation of Bioactivity and Toxicology of Nanomaterials, University of Sorocaba, São Paulo, Brazil
| | - Jaqueline Franciosi Della Vechia
- Department of Plant Protection, Faculty of Agronomy and Veterinary Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Sidneia Terezinha Soares
- Department of Plant Protection, Faculty of Agronomy and Veterinary Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Daniel Junior de Andrade
- Department of Plant Protection, Faculty of Agronomy and Veterinary Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Kelly Cristina Gonçalves
- Department of Plant Protection, Faculty of Agronomy and Veterinary Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Joacir do Nascimento
- Department of Plant Protection, Faculty of Agronomy and Veterinary Sciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Ricardo Antonio Polanczyk
- Department of Plant Protection, Faculty of Agronomy and Veterinary Sciences, São Paulo State University (UNESP), São Paulo, Brazil
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