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He X, Lu L, Huang P, Yu B, Peng L, Zou L, Ren Y. Insect Cell-Based Models: Cell Line Establishment and Application in Insecticide Screening and Toxicology Research. INSECTS 2023; 14:104. [PMID: 36835673 PMCID: PMC9965340 DOI: 10.3390/insects14020104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/07/2023] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
During the past decades, research on insect cell culture has grown tremendously. Thousands of lines have been established from different species of insect orders, originating from several tissue sources. These cell lines have often been employed in insect science research. In particular, they have played important roles in pest management, where they have been used as tools to evaluate the activity and explore the toxic mechanisms of insecticide candidate compounds. This review intends to first briefly summarize the progression of insect cell line establishment. Then, several recent studies based on insect cell lines coupled with advanced technologies are introduced. These investigations revealed that insect cell lines can be exploited as novel models with unique advantages such as increased efficiency and reduced cost compared with traditional insecticide research. Most notably, the insect cell line-based models provide a global and in-depth perspective to study the toxicology mechanisms of insecticides. However, challenges and limitations still exist, especially in the connection between in vitro activity and in vivo effectiveness. Despite all this, recent advances have suggested that insect cell line-based models promote the progress and sensible application of insecticides, which benefits pest management.
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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] [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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Bai D, Li X, Wang S, Zhang T, Wei Y, Wang Q, Dong W, Song J, Gao P, Li Y, Wang S, Dai L. Advances in extraction methods, chemical constituents, pharmacological activities, molecular targets and toxicology of volatile oil from Acorus calamus var. angustatus Besser. Front Pharmacol 2022; 13:1004529. [PMID: 36545308 PMCID: PMC9761896 DOI: 10.3389/fphar.2022.1004529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 11/10/2022] [Indexed: 12/04/2022] Open
Abstract
Acorus calamus var. angustatus Besser (ATT) is a traditional herb with a long medicinal history. The volatile oil of ATT (VOA) does possess many pharmacological activities. It can restore the vitality of the brain, nervous system and myocardial cells. It is used to treat various central system, cardiovascular and cerebrovascular diseases. It also showed antibacterial and antioxidant activity. Many studies have explored the benefits of VOA scientifically. This paper reviews the extraction methods, chemical components, pharmacological activities and toxicology of VOA. The molecular mechanism of VOA was elucidated. This paper will serve as a comprehensive resource for further carrying the VOA on improving its medicinal value and clinical use.
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Affiliation(s)
- Daoming Bai
- School of Pharmacy, Binzhou Medical University, Yantai, China,School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiaoyu Li
- School of Pharmacy, Binzhou Medical University, Yantai, China,School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shengguang Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Tianyi Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yumin Wei
- School of Pharmacy, Binzhou Medical University, Yantai, China,School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Qingquan Wang
- School of Pharmacy, Binzhou Medical University, Yantai, China,School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Weichao Dong
- School of Pharmacy, Binzhou Medical University, Yantai, China,School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jing Song
- Shandong Yuze Pharmaceutical Industry Technology Research Institute Co., Ltd, Dezhou, China
| | - Peng Gao
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yanan Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China,*Correspondence: Long Dai, ; Shaoping Wang, ; Yanan Li,
| | - Shaoping Wang
- School of Pharmacy, Binzhou Medical University, Yantai, China,*Correspondence: Long Dai, ; Shaoping Wang, ; Yanan Li,
| | - Long Dai
- School of Pharmacy, Binzhou Medical University, Yantai, China,*Correspondence: Long Dai, ; Shaoping Wang, ; Yanan Li,
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β-asarone attenuates the proliferation, migration and enhances apoptosis of retinoblastoma through Wnt/β-catenin signaling pathway. Int Ophthalmol 2022; 43:1687-1699. [PMID: 36372820 DOI: 10.1007/s10792-022-02566-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 10/16/2022] [Indexed: 11/14/2022]
Abstract
PURPOSE β-asarone is the prime component of essential oil extracted from Acori graminei Rhizoma, which plays an inhibitory role in various tumors. Here, we aim to investigate the functions as well as the mechanism of β-asarone in retinoblastoma (RB). METHODS RB cell lines SO-Rb50 and HXO-Rb44 were treated with different doses of β-asarone. Then, CCK8 and BrdU experiments were adopted to examine the RB cell proliferation. Wound healing test and Transwell assay were employed to detect cell migration and invasion. RB cell apoptosis was tested by flow cytometry and Western blot. An RB cell xenograft model was constructed on nude mice for testing the role of β-asarone on RB cell growth in vivo. RT-PCR and Western blot were used to determine the effect of β-asarone on Wnt/β-catenin signaling pathway. Furthermore, the Wnt/β-catenin pathway inhibitor PNU-74654 and activator HLY78 were administered to RB cells for confirming the effects of β-asarone in Wnt/β-catenin pathway. RESULTS In vivo experiment showed that β-asarone attenuated SO-Rb50 cell growth in nude mice. Further research found that β-asarone significantly repressed Wnt/β-catenin canonical pathway activation. CONCLUSION Prior inhibition of Wnt/β-catenin pathway abolished the antitumor effects induced by β-asarone. β-asarone exerted antitumor effects in RB cells by inactivating the Wnt/β-catenin signaling pathway.
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Song Z, Li X, Xu K, Sun G, Yang L, Huang L, Liu J, Yin P, Huang S, Gao F, Zhou X, Chen L. Design, synthesis and insecticidal activity and mechanism research of Chasmanthinine derivatives. Sci Rep 2022; 12:15290. [PMID: 36088472 PMCID: PMC9464227 DOI: 10.1038/s41598-022-19523-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/30/2022] [Indexed: 11/30/2022] Open
Abstract
Unrestricted reproduction and spread of pest had caused great damage to the quality and yield of crops in recent years. Besides the use of traditional chemical pesticides, natural products also make a huge contribution against pests. Chasmanthinine, a diterpenoid alkaloid isolated from Aconitum franchetii var. villosulum, shown extremely antifeedant activity against Spodoptera exigua. Therefore, a series of novel Chasmanthinine derivatives were synthesized and their biological activity was studied in this work. Compound 33 showed the strongest antifeedant activity (EC50 = 0.10 mg/cm2) among all the test compounds. The mechanism research of 33 revealed that its antifeedant effect was related to the inhibition of carboxylesterase (CES), and proved the thiophene acyl group could form a strong binding effect with CES by molecular docking. Moreover, compound 10 exhibited the strongest cytotoxicity (IC50 = 12.87 μM) against Sf9 cell line and moderate contact toxicity. The mechanism research indicated that compound 10 could induce Sf9 cells apoptosis. In summary, the results lay a foundation for the application of diterpene alkaloids in plant protection.
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Wang R, Fang Y, Che W, Zhang Q, Wang J, Luo C. The Toxicity, Sublethal Effects, and Biochemical Mechanism of β-Asarone, a Potential Plant-Derived Insecticide, against Bemisia tabaci. Int J Mol Sci 2022; 23:ijms231810462. [PMID: 36142377 PMCID: PMC9501876 DOI: 10.3390/ijms231810462] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 09/01/2022] [Accepted: 09/07/2022] [Indexed: 11/18/2022] Open
Abstract
Bemisia tabaci is a threat to agriculture worldwide because of its potential to cause devastating damage to various crops. β-asarone is a bioactive pesticidal chemical originating from Acorus calamus (or “Sweet Flag”) plants, and it displays significant lethal effects against insect pests. In this study, we established a baseline of susceptibility to β-asarone from China and patterns of cross-resistance to other popular insecticides. We found that all the 12 field-collected B. tabaci populations exhibited high susceptibility to β-asarone, and there was no cross-resistance detected for other tested insecticides. We subsequently evaluated the sublethal effects of β-asarone on physiology and biochemistry via LC25 treatment (4.7 mg/L). LC25 of β-asarone resulted in prolonged developmental duration and decreased survival rates in B. tabaci nymphs, pseudopupae, and adults. Significant reductions in oviposition duration, fecundity, and hatchability were also observed. Additionally, the metabolic enzyme activity and expression profiles of selected cytochrome P450 monooxygenase (P450) genes following the LC25 treatment of β-asarone suggest that enhanced detoxification via P450s could be involved in the observed sublethal effects. These findings demonstrate the strong toxicity and significant sublethal effects of β-asarone on B. tabaci and suggest that the induced overexpression of P450 genes could be associated with the response to β-asarone.
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Affiliation(s)
- Ran Wang
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
- Correspondence: (R.W.); (J.W.)
| | - Yong Fang
- Agriculture Biotechnology Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Wunan Che
- Department of Pesticide Sciences, Shenyang Agricultural University, Shenyang 110866, China
| | - Qinghe Zhang
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Jinda Wang
- National Engineering Research Center of Sugarcane, Fujian Agricultural and Forestry University, Fuzhou 350002, China
- Correspondence: (R.W.); (J.W.)
| | - Chen Luo
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
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Alpay Karaoğlu Ş, Yayli N, Erik İ, Korkmaz B, Akpinar R, Bozdeveci A, Suyabatmaz Ş, Batan N, Yeşilyurt A, Kaya S, Nisbet C, Güler A. Biological Activity and Phytochemical Analysis of Dicranum scoparium against the Bacterial Disease for Honey Bee. Chem Biodivers 2022; 19:e202100887. [PMID: 35653619 DOI: 10.1002/cbdv.202100887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 06/02/2022] [Indexed: 11/06/2022]
Abstract
Bacterial diseases, such as American Foulbrood (AFB) and European Foulbrood (EFB), are known to have catastrophic effects on honey bees (if left to spread, can wipe out entire colonies), leading to severe financial losses in the beekeeping industry. The aim of this study was to evaluate the pharmacological properties of methanol extract and its fractions (ethyl acetate, hexane, water) derived from Dicranum scoparium Hedw., which could be utilized as a potential drug to prevent the bacterial diseases (AFB and EFB) affecting the honey bees. For this purpose, crude methanol extract and ethyl acetate/hexane/water fractions were prepared from the aerial part of D. scoparium, collected from Trabzon province. Bio-guided fractionation of the extract and its fractions led to the first-time isolation of five compounds. The structure of all compounds was elucidated by nuclear magnetic resonance (NMR) spectroscopy, ultraviolet (UV) spectral analysis, Fourier-transform infrared spectroscopy (FT-IR), liquid chromatography quadrupole time-of-flight mass spectroscopy (LC-QToF-MS), and by comparison of their NMR data with that of literature. The analysis of these compounds revealed significant antibacterial and sporicidal activities against bacteria causing larval diseases in honey bees. The antibacterial activity of these compounds ranged from 0.6 to 60 μg/mL against AFB and EFB causing bacteria. Therefore, the natural raw extract and fractions of D. scoparium could be used as potential therapeutic agents against bacterial agents affecting honey bees.
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Affiliation(s)
- Şengül Alpay Karaoğlu
- Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Nurettin Yayli
- Faculty of Pharmacy, Karadeniz Technical University, Trabzon, Turkey
| | - İshak Erik
- Faculty of Pharmacy, Karadeniz Technical University, Trabzon, Turkey
| | - Büşra Korkmaz
- Faculty of Pharmacy, Karadeniz Technical University, Trabzon, Turkey
| | - Rahşan Akpinar
- Laboratory of Bee Diseases, Veterinary Control Institute, Samsun, Turkey
| | - Arif Bozdeveci
- Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Şeyma Suyabatmaz
- Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Nevzat Batan
- Maçka Vocational School, Karadeniz Technical University, Trabzon, Turkey
| | - Aydın Yeşilyurt
- Tonya Vocational School, Trabzon University, Trabzon, Turkey
| | - Selma Kaya
- Laboratory of Bee Diseases, Veterinary Control Institute, Samsun, Turkey
| | - Cevat Nisbet
- Department of Biochemistry, Faculty of Veterinary Medicine, Ondokuz Mayıs University, Samsun, Turkey
| | - Ahmet Güler
- Department of Animal Science, Faculty of Agriculture, Ondokuz Mayıs University, Samsun, Turkey
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Xu X, Li X, Liu Z, Wang F, Fan L, Wu C, Yao Y. Knockdown of CYP301B1 and CYP6AX1v2 increases the susceptibility of the brown planthopper to beta-asarone, a potential plant-derived insecticide. Int J Biol Macromol 2021; 171:150-157. [PMID: 33418039 DOI: 10.1016/j.ijbiomac.2020.12.217] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/30/2020] [Accepted: 12/30/2020] [Indexed: 01/09/2023]
Abstract
The cytochrome P450 monooxygenases of insects play crucial roles in the metabolic detoxification of insecticides. Our previous finding showed that two cytochrome P450 genes, both CYP301B1 and CYP6AX1v2, in the BPH underwent overexpression due to β-asarone. In this study, we investigated the molecular characteristics, expression patterns and functions of these two cytochrome P450 genes. The results showed that CYP301B1 had the highest expression level in the eggs, while CYP6AX1v2 was expressed in macropterous female adults. Moreover, the expression level of CYP301B1 in the head was higher than that in the integument, fat body and gut. The expression level of CYP6AX1v2 in the fat body and gut was higher than that in head and integument. Importantly, silencing CYP301B1 and CYP6AX1v2 separately could increase the sensitivity, resulting in significant higher mortality of BPH following treatment with β-asarone. Our findings indicated that CYP301B1 and CYP6AX1v2 could contribute to the resistance of BPH to β-asarone, and these two genes may be involved in the detoxification metabolism of β-asarone in BPH.
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Affiliation(s)
- Xueliang Xu
- Applied Agricultural Micro-organism Research, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China; Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiang Li
- College of Plant Protection, Henan Agricultural University, Zhengzhou 450000, China
| | - Zirong Liu
- Applied Agricultural Micro-organism Research, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Fenshan Wang
- Applied Agricultural Micro-organism Research, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Linjuan Fan
- Applied Agricultural Micro-organism Research, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Caiyun Wu
- Applied Agricultural Micro-organism Research, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Yingjuan Yao
- Applied Agricultural Micro-organism Research, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China.
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He H, Qin X, Dong F, Ye J, Xu C, Zhang H, Liu Z, Lv X, Wu Y, Jiang X, Cheng X. Synthesis, characterization of two matrine derivatives and their cytotoxic effect on Sf9 cell of Spodoptera frugiperda. Sci Rep 2020; 10:17999. [PMID: 33093526 PMCID: PMC7581774 DOI: 10.1038/s41598-020-75053-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 10/07/2020] [Indexed: 11/09/2022] Open
Abstract
The invasion of Spodoptera frugiperda has imposed a serious impact on global food security. Matrine is a botanical pesticide with a broad spectrum of insecticidal activity which was recommended for controlling Spodoptera frugiperda. In order to discover effective insecticide for Spodoptera frugiperda, two matrine derivatives modified with carbon disulfide and nitrogen-containing groups were systhesized. And their inhibition activities on Sf9 cell were evaluated. The structural configuration of compounds were characterized by IR, HPLC, MS, NMR and XRD, with yields of 52% and 65%, respectively. The IC50 of the two newly synthesized compounds on Sf9 cell reduced to 0.648 mmol/L and 1.13 mmol/L, respectively, compared with that of matrine (5.330 mmol/L). In addition, microscopic observation of Sf9 cell treated with the compounds showed that the number of adherent cells decreased, the cells shrunk, vacuolated and apoptotic bodies appeared. The two newly synthesized compounds exhibited better inhibitory effect on Sf9 cell than that of the parent matrine, suggesting that the positive effect of the introduction of 1-pyrrolidinecarbodithioate and diethylcarbamodithioate groups to matrine. The morphological observation of Sf9 cell induced by derivatives indicated that apoptosis induction may be a mechanism that inhibits insect cell proliferation and exerts insecticidal effect.
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Affiliation(s)
- Huiqing He
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China
| | - Xiangjing Qin
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences (CAS), Guangzhou, 510301, China
| | - Fangyun Dong
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China
| | - Jingmin Ye
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China
| | - Chunbao Xu
- Department of Chemical and Biochemical Engineering, Western University, London, Ontario, N6A5B9, Canada
| | - Hanhui Zhang
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China
| | - Zhanmei Liu
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China
| | - Xiaojing Lv
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China
| | - Yuehua Wu
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China
| | - Xuhong Jiang
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China.
| | - Xingan Cheng
- Institute of Natural Product Chemistry, College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China. .,Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, Guangdong, China.
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The Cytotoxic Effect of Genistein, a Soybean Isoflavone, against Cultured Tribolium Cells. INSECTS 2020; 11:insects11040241. [PMID: 32290559 PMCID: PMC7240614 DOI: 10.3390/insects11040241] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 12/24/2022]
Abstract
The red flour beetle Tribolium castaneum is a known pest of various grains and stored-products such as wheat flours; however, T. castaneum feeds on and infests soybean and soy products. For more than 60 years, soy flour has been suggested to be unstable food for Tribolium spp. because it causes larval development failure. However, it remains unknown whether soy flour affects adult beetles. The objective of the present study was to examine the effects of soy flour and its related isoflavones against T. castaneum using an artificial dietary intake assay. Beetles were fed gypsum (a non-digestible compound) mixed with either water (control) or soy flour. Significantly fewer beetles survived after being fed the soy flour treatment. Although the soy isoflavone genistein, a defensive agent and secondary metabolite, decreased the T. castaneum adult survival, it required a long time to have a lethal effect. Therefore, the cytotoxic effects of soy flour, i.e., the rapid biological responses following isoflavone addition, were also examined using a cultured cell line derived from T. castaneum. Both genistin and genistein significantly affected the survival of the cultured cells, although genistein had a stronger lethal effect. This study demonstrated the toxicity of genistein found in soybean against T. castaneum cultured cells within 24 h period. Genistein may be used as an oral toxin biopesticide against T. castaneum.
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