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Chirgwin E, Thia JA, Copping K, Umina PA. Discovery of insecticide resistance in field-collected populations of the aphid pest, Acyrthosiphon kondoi Shinji. PEST MANAGEMENT SCIENCE 2024; 80:1338-1347. [PMID: 37915298 DOI: 10.1002/ps.7864] [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: 08/22/2023] [Revised: 10/24/2023] [Accepted: 10/30/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND The bluegreen aphid (Acyrthosiphon kondoi) is a worldwide pest of alfalfa, pulses, and other legume crops. An overreliance on insecticides to control A. kondoi has potentially placed populations under selection pressure favouring resistant phenotypes, but to date, there have been no documented cases of insecticide resistance. Recently, Australian growers began reporting that conventional insecticides were failing to adequately control A. kondoi populations, prompting this laboratory-based investigation into whether these populations have evolved resistance. RESULTS We discovered four A. kondoi populations with moderate resistance (10-40-fold) to three different insecticide groups: organophosphates, carbamates and pyrethroids. However, A. kondoi populations showed no resistance to the butenolide, flupyradifurone. We were unable to identify general metabolic mechanisms using synergist assays (cytochromes P450, glutathione S-transferases, or esterases), indicating that further detailed molecular investigations to characterise the putative resistance mechanism are needed. CONCLUSION Insecticide-resistant A. kondoi present an emerging challenge to Australian agriculture. Growers require new tools and updated strategies, including access to newer chemistries, to alleviate their reliance on the few insecticides currently registered against A. kondoi. The implications of insecticide resistant A. kondoi for future management, the potential mechanisms of resistance, and future research priorities are discussed. © 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
| | - Joshua A Thia
- School of BioSciences, The University of Melbourne, Melbourne, Australia
| | | | - Paul A Umina
- Cesar Australia, Brunswick, Australia
- School of BioSciences, The University of Melbourne, Melbourne, Australia
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Kishk A, Dos Santos Tavares C, Mishra R, Bonning BC, Killiny N. Influence of 'Candidatus Liberibacter asiaticus' infection on the susceptibility of Asian citrus psyllid, Diaphorina citri to Bacillus thuringiensis pesticidal proteins, Mpp51Aa1 and Cry1Ba1. J Invertebr Pathol 2023; 200:107972. [PMID: 37460056 DOI: 10.1016/j.jip.2023.107972] [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: 06/06/2023] [Revised: 06/29/2023] [Accepted: 07/14/2023] [Indexed: 07/25/2023]
Abstract
The Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae) transmits the Gram-negative bacterium 'Candidatus Liberibacter asiaticus' that causes citrus greening disease. While chemical control has been the main management strategy for limiting D. citri, the widespread usage of chemical sprays has decreased the susceptibility of D. citri to most insecticides. Pesticidal proteins produced by the bacterium Bacillus thuringiensis (Bt) are active against a wide variety of insects and provide a more sustainable approach to insect control. Herein, we investigated the impact of 'Ca. L. asiaticus' infection of D. citri on the toxicity of two Bt proteins (Mpp51Aa1 and Cry1Ba1). Proteins were delivered to healthy and 'Ca. L. asiaticus'-infected D. citri via topical feeding application. The LC50 values of Mpp51Aa1 and Cry1Ba1 were calculated for both nymphs and adults. Additionally, we evaluated the effect of each protein on the survival probability and life span of healthy and 'Ca. L. asiaticus'-infected D. citri. The LC50 values indicated that adults and nymphs were more susceptible to Mpp51Aa1 than to Cry1Ba1 in both healthy and 'Ca. L. asiaticus'-infected D. citri. 'Ca. L. asiaticus'-infected adults and nymphs were more susceptible to Mpp51Aa1 and Cry1Ba1 than healthy insects, and nymphs were more susceptible to Mpp51Aa1 and Cry1Ba1 than adults. Moreover, we found that Mpp51Aa1 had a greater impact than Cry1Ba1 on the survival and lifespan of adults, and 'Ca. L. asiaticus'-infected insects were more affected by these pesticidal proteins than healthy adults. These results have important implications for the use of pesticidal proteins in D. citri management in Florida and elsewhere given the widespread presence of 'Ca. L. asiaticus' in the D. citri population. In this era of eco-friendly control strategies, Bt-derived pesticidal proteins provide a promising avenue to reducing the application of chemical insecticides for D. citri management.
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Affiliation(s)
- Abdelaziz Kishk
- Department of Plant Pathology, Citrus Research and Education Center, IFAS, University of Florida, Lake Alfred, FL, 33850, USA; Department of Plant Protection, Faculty of Agriculture, Tanta University, 31527, Egypt
| | | | - Ruchir Mishra
- Department of Entomology and Nematology, IFAS, University of Florida, Gainesville, FL 32611, USA
| | - Bryony C Bonning
- Department of Entomology and Nematology, IFAS, University of Florida, Gainesville, FL 32611, USA
| | - Nabil Killiny
- Department of Plant Pathology, Citrus Research and Education Center, IFAS, University of Florida, Lake Alfred, FL, 33850, USA.
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Wu J, Sun T, Bashir MH, Qiu B, Wang X, Ali S. Comparative transcriptome analysis reveals differences in gene expression in whitefly following individual or combined applications of Akanthomyces attenuatus (Zare & Gams) and matrine. BMC Genomics 2022; 23:808. [PMID: 36474158 PMCID: PMC9727895 DOI: 10.1186/s12864-022-09048-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 11/25/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) is a serious pest of crops in different regions of the world. Our recent studies on the joint application of Akanthomyces attenuatus (a pathogenic insect fungus) and matrine (a botanical insecticide) against B. tabaci have shown promising results. Using RNA sequencing (RNA-Seq), we identified differentially expressed genes involved in whitefly responses to single or mixed applications of A. attenuatus and matrine. METHODS In this study, we compared the transcriptome profiles of B. tabaci treated with individual and combined treatments of A. attenuatus and matrine to determine variations in gene expression among whiteflies in response to different treatments. RESULTS Transcriptomic data analysis showed differential expression of 71, 1194, and 51 genes in response to A. attenuatus (BtA), matrine (BtM), and A. attenuatus + matrine (BtAM) treatment, respectively. A total of 65 common differentially expressed genes (DEGs) were identified between whiteflies treated with A. attenuatus (BtA) and matrine (BtM). A comparison of DEGs across the three treatments (BtA, BtM, and BtAM) revealed two common DEGs. The results also revealed that AMPK signaling, apoptosis, and drug metabolism pathways are likely involved in whitefly defense responses against A. attenuatus and matrine infection. Furthermore, a notable suppression of general metabolism and immune response genes was observed in whiteflies treated with A. attenuatus + matrine (BtAM) compared to whiteflies treated with individual A. attenuatus (BtA) or matrine (BtM) treatments. CONCLUSION Dynamic changes in the number of differentially expressed genes were observed in B. tabaci subjected to different treatments (BtA, BtM, and BtAM). To the best of our knowledge, this is the first report on the molecular interactions between whitefly and individual or combined treatments of A. attenuatus and matrine. These results will further improve our knowledge of the infection mechanism and complex biochemical processes involved in the synergistic action of A. attenuatus and matrine against B. tabaci.
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Affiliation(s)
- Jianhui Wu
- grid.20561.300000 0000 9546 5767Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Centre of Biological Control, South China Agricultural University, Guangzhou, 510642 China ,grid.20561.300000 0000 9546 5767Engineering Research Center of Biological Control, Ministry of Education and Guangdong Province, South China Agricultural University, Guangzhou, 510642 China
| | - Tingfei Sun
- grid.20561.300000 0000 9546 5767Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Centre of Biological Control, South China Agricultural University, Guangzhou, 510642 China ,grid.20561.300000 0000 9546 5767Engineering Research Center of Biological Control, Ministry of Education and Guangdong Province, South China Agricultural University, Guangzhou, 510642 China
| | - Muhammad Hamid Bashir
- grid.413016.10000 0004 0607 1563Department of Entomology, University of Agriculture, Faisalabad, Pakistan
| | - Baoli Qiu
- grid.411575.30000 0001 0345 927XChongqing Key Laboratory of Vector Insects, College of Life Sciences, Chongqing Normal University, Chongqing, 401331 China
| | - Xingmin Wang
- grid.20561.300000 0000 9546 5767Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Centre of Biological Control, South China Agricultural University, Guangzhou, 510642 China ,grid.20561.300000 0000 9546 5767Engineering Research Center of Biological Control, Ministry of Education and Guangdong Province, South China Agricultural University, Guangzhou, 510642 China
| | - Shaukat Ali
- grid.20561.300000 0000 9546 5767Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Centre of Biological Control, South China Agricultural University, Guangzhou, 510642 China ,grid.20561.300000 0000 9546 5767Engineering Research Center of Biological Control, Ministry of Education and Guangdong Province, South China Agricultural University, Guangzhou, 510642 China
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Ettinger CL, Byrne FJ, de Souza Pacheco I, Brown DJ, Walling LL, Atkinson PW, Redak RA, Stajich JE. Transcriptome and population structure of glassy-winged sharpshooters (Homalodisca vitripennis) with varying insecticide resistance in southern California. BMC Genomics 2022; 23:721. [PMID: 36273137 PMCID: PMC9587601 DOI: 10.1186/s12864-022-08939-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 10/13/2022] [Indexed: 12/02/2022] Open
Abstract
Background Homalodisca vitripennis Germar, the glassy-winged sharpshooter, is an invasive insect in California and a critical threat to agriculture through its transmission of the plant pathogen, Xylella fastidiosa. Quarantine, broad-spectrum insecticides, and biological control have been used for population management of H. vitripennis since its invasion and subsequent proliferation throughout California. Recently wide-spread neonicotinoid resistance has been detected in populations of H. vitripennis in the southern portions of California’s Central Valley. In order to better understand potential mechanisms of H. vitripennis neonicotinoid resistance, we performed RNA sequencing on wild-caught insecticide-resistant and relatively susceptible sharpshooters to profile their transcriptome and population structure. Results We identified 81 differentially expressed genes with higher expression in resistant individuals. The significant largest differentially expressed candidate gene linked to resistance status was a cytochrome P450 gene with similarity to CYP6A9. Furthermore, we observed an over-enrichment of GO terms representing functions supportive of roles in resistance mechanisms (cytochrome P450s, M13 peptidases, and cuticle structural proteins). Finally, we saw no evidence of broad-scale population structure, perhaps due to H. vitripennis' relatively recent introduction to California or due to the relatively small geographic scale investigated here. Conclusions In this work, we characterized the transcriptome of insecticide-resistant and susceptible H. vitripennis and identified candidate genes that may be involved in resistance mechanisms for this species. Future work should seek to build on the transcriptome profiling performed here to confirm the role of the identified genes, particularly the cytochrome P450, in resistance in H. vitripennis. We hope this work helps aid future population management strategies for this and other species with growing insecticide resistance. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08939-1.
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Affiliation(s)
- Cassandra L Ettinger
- Department of Microbiology and Plant Pathology, University of California, Riverside, Riverside, CA, USA.
| | - Frank J Byrne
- Department of Entomology, University of California, Riverside, Riverside, CA, USA
| | | | - Dylan J Brown
- Department of Entomology, University of California, Riverside, Riverside, CA, USA
| | - Linda L Walling
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA, USA.,Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA
| | - Peter W Atkinson
- Department of Entomology, University of California, Riverside, Riverside, CA, USA.,Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA
| | - Richard A Redak
- Department of Entomology, University of California, Riverside, Riverside, CA, USA
| | - Jason E Stajich
- Department of Microbiology and Plant Pathology, University of California, Riverside, Riverside, CA, USA. .,Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA.
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Tan S, Li G, Guo H, Li H, Tian M, Liu Q, Wang Y, Xu B, Guo X. Identification of the cuticle protein AccCPR2 gene in Apis cerana cerana and its response to environmental stress. INSECT MOLECULAR BIOLOGY 2022; 31:634-646. [PMID: 35619242 DOI: 10.1111/imb.12792] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
Cuticular proteins (CPs) are known to play important roles in insect development and defence responses. The loss of CP genes can lead to changes in insect morphology and sensitivity to the external environment. In this study, we identified the AccCPR2 gene, which belongs to the CPR family (including the R&R consensus motif) of CPs, and explored its function in the response of Apis cerana cerana to adverse external stresses. Our results demonstrated that AccCPR2 was highly expressed in the late pupal stage and epidermis, and the expression of AccCPR2 may be induced or inhibited under different stressors. RNA interference experiments showed that knockdown of AccCPR2 reduced the activity of antioxidant enzymes, led to the accumulation of oxidative damage and suppressed the expression of several antioxidant genes. In addition, knockdown of AccCPR2 also reduced the pesticide resistance of A. cerana cerana. The overexpression of AccCPR2 in a prokaryotic system further confirmed its role in resistance to various stresses. In summary, AccCPR2 may play pivotal roles in the normal development and environmental stress response of A. cerana cerana. This study also enriched the theoretical knowledge of the resistance biology of bees.
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Affiliation(s)
- Shuai Tan
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China
| | - Guilin Li
- College of Life Sciences, Qufu Normal University, Qufu, P. R. China
| | - Hengjun Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China
| | - Han Li
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China
| | - Ming Tian
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China
| | - Qingxin Liu
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China
| | - Ying Wang
- College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong, P. R. China
| | - Baohua Xu
- College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong, P. R. China
| | - Xingqi Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong, P. R. China
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Murtaza S, Tabassum B, Tariq M, Riaz S, Yousaf I, Jabbar B, Khan A, Samuel AO, Zameer M, Nasir IA. Silencing a Myzus persicae Macrophage Inhibitory Factor by Plant-Mediated RNAi Induces Enhanced Aphid Mortality Coupled with Boosted RNAi Efficacy in Transgenic Potato Lines. Mol Biotechnol 2022; 64:1152-1163. [PMID: 35460447 DOI: 10.1007/s12033-022-00498-w] [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: 02/11/2021] [Accepted: 04/08/2022] [Indexed: 11/28/2022]
Abstract
Myzus persicae causes considerable losses to crops as a major pest. The damage is direct by feeding and also partly indirect because it vectors plant viruses. The currently available control strategies rely on unsafe and nonecofriendly chemical pesticide applications. Plant-mediated RNA interference (RNAi) has emerged as a powerful tool in crop protection from insect pests. Aphid salivary proteins are essential for phloem feeding and act as mediators of the complex interactions between aphids and their host plants. We documented the efficacy of dsRNA directed against macrophage inhibitory factor (MIF1) of M. persicae to induce aphid mortality and gene silencing through the generation of transgenic potato lines. A binary construct harbouring dsMIF1 driven by the CaMV35S promoter was introduced into the local potato variety 'AGB-white' by Agrobacterium-mediated transformation. PCR and Southern blotting validated the transgene presence and genomic integration in seven transgenic potato lines. An in vitro detached leaf assay revealed a significantly high aphid mortality of 65% in the transgenic potato line sDW-2, while the aphid mortality was 77% in the sDW-2 transgenic line during the in planta bioassay in comparison with 19% aphid mortality in the control nontransgenic potato line. A significantly high silencing effect was observed in the mRNA expression of MIF1, which was reduced to 21% in aphids fed on the transgenic potato line sDW-2. However, variable knockdown effects were found among six other transgenic potato lines, ranging from 30 to 62%. The study concluded that plant-mediated silencing of aphid RNA induces significant RNAi in M. persicae, along with enhanced aphid mortality.
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Affiliation(s)
- Shahid Murtaza
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Bushra Tabassum
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan. .,School of Biological Sciences, University of the Punjab Quaid-I-Azam Campus, Lahore, 54590, Pakistan.
| | - Muhammad Tariq
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Saman Riaz
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Iqra Yousaf
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Basit Jabbar
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Anwar Khan
- Department of Microbiology, BUITEMS, Quetta, Pakistan
| | | | - Mariam Zameer
- Institute of Molecular Biology & Biotechnology, University of Lahore, Lahore, Pakistan
| | - Idrees Ahmad Nasir
- Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
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Characterization of insecticidal Cry protein from Bacillus thuringiensis toxic to Myzus persicae (Sulzer). J Invertebr Pathol 2022; 189:107731. [PMID: 35202622 DOI: 10.1016/j.jip.2022.107731] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/27/2022] [Accepted: 02/14/2022] [Indexed: 11/20/2022]
Abstract
The toxins produced by Bacillus thuringiensis (Bt) are well known for their insecticidal activity against Lepidoptera, Diptera and Coleoptera; however, the sap-sucking insects (Hemiptera) are not particularly susceptible to Bt toxins. We describe the aphicidal effect of Cry toxin from Bt strain GP919 against one of the most pernicious hemipterans in the agricultural environment, Myzus persicae. The mortality bioassay shows that the strain cause mortality rates above 80% at concentration of 10 ng/µl with a LC50 of 9.01 ng/µl; whereas it showed no lethal toxicity against the lepidopteran Spodoptera frugiperda. The mayor protein (∼130 kDa) expressed by this strain was subjected to purification, solubilization and trypsin digestion, the band of ∼65 kDa which was obtained from trypsin digestion was purified by ion-exchange chromatography and was used to feed the aphid. The bioassay shows mortality rates above 85% at concentration of 10 ng/µl and the LC50 was 6.58 ng/µl. The resulting fragment from the digestion was identified by mass spectrometry and the candidate protein showed an overall 100% amino acid sequence identity to the reported Cry1Cb2 (WP 033698561.1) protein from Bt. Koch's postulated also was carried out with the GP919 strain and also, we document the signs of infection caused by this strain. This is the first report of a Cry1Cb2 protein that is toxic to a sucking insect and this protein may become a promising environmentally friendly tool for the control of M. persicae and possible also for other sap sucking insect pests.
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Jones RAC, Sharman M, Trębicki P, Maina S, Congdon BS. Virus Diseases of Cereal and Oilseed Crops in Australia: Current Position and Future Challenges. Viruses 2021; 13:2051. [PMID: 34696481 PMCID: PMC8539440 DOI: 10.3390/v13102051] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/02/2021] [Accepted: 10/03/2021] [Indexed: 12/22/2022] Open
Abstract
This review summarizes research on virus diseases of cereals and oilseeds in Australia since the 1950s. All viruses known to infect the diverse range of cereal and oilseed crops grown in the continent's temperate, Mediterranean, subtropical and tropical cropping regions are included. Viruses that occur commonly and have potential to cause the greatest seed yield and quality losses are described in detail, focusing on their biology, epidemiology and management. These are: barley yellow dwarf virus, cereal yellow dwarf virus and wheat streak mosaic virus in wheat, barley, oats, triticale and rye; Johnsongrass mosaic virus in sorghum, maize, sweet corn and pearl millet; turnip yellows virus and turnip mosaic virus in canola and Indian mustard; tobacco streak virus in sunflower; and cotton bunchy top virus in cotton. The currently less important viruses covered number nine infecting nine cereal crops and 14 infecting eight oilseed crops (none recorded for rice or linseed). Brief background information on the scope of the Australian cereal and oilseed industries, virus epidemiology and management and yield loss quantification is provided. Major future threats to managing virus diseases effectively include damaging viruses and virus vector species spreading from elsewhere, the increasing spectrum of insecticide resistance in insect and mite vectors, resistance-breaking virus strains, changes in epidemiology, virus and vectors impacts arising from climate instability and extreme weather events, and insufficient industry awareness of virus diseases. The pressing need for more resources to focus on addressing these threats is emphasized and recommendations over future research priorities provided.
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Affiliation(s)
- Roger A. C. Jones
- UWA Institute of Agriculture, University of Western Australia, Crawley, WA 6009, Australia
| | - Murray Sharman
- Queensland Department of Agriculture and Fisheries, Ecosciences Precinct, P.O. Box 267, Brisbane, QLD 4001, Australia;
| | - Piotr Trębicki
- Grains Innovation Park, Agriculture Victoria, Department of Jobs, Precincts and Regions, Horsham, VIC 3400, Australia; (P.T.); (S.M.)
| | - Solomon Maina
- Grains Innovation Park, Agriculture Victoria, Department of Jobs, Precincts and Regions, Horsham, VIC 3400, Australia; (P.T.); (S.M.)
| | - Benjamin S. Congdon
- Department of Primary Industries and Regional Development, South Perth, WA 6151, Australia;
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Wang L, Zhu J, Cui L, Wang Q, Huang W, Ji X, Yang Q, Rui C. Overexpression of ATP-binding cassette transporters associated with sulfoxaflor resistance in Aphis gossypii glover. PEST MANAGEMENT SCIENCE 2021; 77:4064-4072. [PMID: 33899308 DOI: 10.1002/ps.6431] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 04/16/2021] [Accepted: 04/26/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND Sulfoxaflor is a new insecticide for controlling against Aphis gossypii in the field. ATP-binding cassette (ABC) transporters belong to a large superfamily of proteins and play an important role in the detoxification process. However, the potential role of ABC transporters in sulfoxaflor resistance in A. gossypii is unknown. RESULTS In this study, an ABC transporter inhibitor, verapamil, dramatically increased the toxicity of sulfoxaflor in the resistant population with a synergistic ratio of 8.55. However, verapamil did not synergize sulfoxaflor toxicity in the susceptible population. The contents of ABC transporters were significantly increased in the Sul-R population. Based on RT-qPCR analysis, 10 of 23 ABC transcripts, ABCA1, ABCA2, ABCB1, ABCB5, ABCD1, ABCG7, ABCG16, ABCG26, ABCG27, and MRP7, were up-regulated in the Sul-R population compared to the Sus population. Meanwhile, inductive effects of ABCA1, ABCD1, ABCG7 and ABCG26 by sulfoxaflor were found in A. gossypii. Furthermore, knockdown of ABCA1 and ABCD1 using RNAi significantly increased the sulfoxaflor sensitivity in Sul-R aphids. CONCLUSION These results suggested that ABC transporters, especially the ABCA1 and ABCD1 genes, might be related with sulfoxaflor resistance in A. gossypii. This study will promote further work to validate the functional roles of these ABCs in sulfoxaflor resistance and might be helpful for the management of sulfoxaflor-resistant A. gossypii.
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Affiliation(s)
- Li Wang
- Key Laboratory of Integrated Pest Management in Crops, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Junshu Zhu
- College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Li Cui
- Key Laboratory of Integrated Pest Management in Crops, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Qinqin Wang
- Key Laboratory of Integrated Pest Management in Crops, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Weiling Huang
- Key Laboratory of Integrated Pest Management in Crops, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Xuejiao Ji
- Key Laboratory of Integrated Pest Management in Crops, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Qingjie Yang
- Key Laboratory of Integrated Pest Management in Crops, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Changhui Rui
- Key Laboratory of Integrated Pest Management in Crops, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Ministry of Agriculture and Rural Affairs, Beijing, China
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Chen Y, Yang B, Li Z, Yue Y, Tian Q, Chen W, Ali S, Wu J. Immune-Related Genes of Megalurothrips usitatus (Bagrall) Against Beauveria brongniartii and Akanthomyces attenuatus Identified Using RNA Sequencing. Front Physiol 2021; 12:671599. [PMID: 34456741 PMCID: PMC8385781 DOI: 10.3389/fphys.2021.671599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 07/12/2021] [Indexed: 11/22/2022] Open
Abstract
Megalurothrips usitatus (Bagrall) is an important pest of legumes worldwide, causing great economic loss every year. Beauveria brongniartii and Akanthomyces attenuatus have shown considerable pathogenicity against M. usitatus in our previous studies. The medial lethal concentration (LC50) and the sublethal lethal concentration (LC25) of B. brongniartii isolate SB010 against M. usitatus were 8.38 × 105 and 1.73 × 105 conidia mL−1, respectively, whereas those of A. attenuatus isolate SCAUDCL-53 against M. usitatus were 4.37 × 105 and 2.97 × 104 conidia mL−1, respectively. This study reports the transcriptome-based explanation of the stress responses of M. usitatus following the application of B. brongniartii and A. attenuatus. The analysis of the transcriptomic data revealed the expression of 254, 207, 195, and 234 immunity-related unigenes by M. usitatus in response to B. brongniartii LC50 (SB1), B. brongniartii LC25 (SB2), A. attenuatus LC50 (V1), and A. attenuatus LC25 (V2), respectively. The biological function and metabolic pathway analyses showed that these unigenes were mainly related to pattern recognition receptors, information transduction factors, and reaction factors, such as scavenger receptor, cytochrome b5, cuticle protein, lysozyme, and serine protease.
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Affiliation(s)
- Yueyin Chen
- Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Center of Biological Control, College of Plant Protection, South China Agricultural University, Guangzhou, China
| | - Bo Yang
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Zhaoyang Li
- Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Center of Biological Control, College of Plant Protection, South China Agricultural University, Guangzhou, China
| | - Yang Yue
- Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Center of Biological Control, College of Plant Protection, South China Agricultural University, Guangzhou, China
| | - Qingheng Tian
- Key Laboratory of Integrated Pest Management on Tropical Crops, Ministry of Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Weiyi Chen
- Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Center of Biological Control, College of Plant Protection, South China Agricultural University, Guangzhou, China
| | - Shaukat Ali
- Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Center of Biological Control, College of Plant Protection, South China Agricultural University, Guangzhou, China
| | - Jianhui Wu
- Key Laboratory of Bio-Pesticide Innovation and Application, Engineering Research Center of Biological Control, College of Plant Protection, South China Agricultural University, Guangzhou, China
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11
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Wang M, Liu X, Shi L, Liu J, Shen G, Zhang P, Lu W, He L. Functional analysis of UGT201D3 associated with abamectin resistance in Tetranychus cinnabarinus (Boisduval). INSECT SCIENCE 2020; 27:276-291. [PMID: 30136378 PMCID: PMC7379272 DOI: 10.1111/1744-7917.12637] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 08/04/2018] [Accepted: 08/07/2018] [Indexed: 05/30/2023]
Abstract
Uridine diphosphate (UDP)-glycosyltransferases (UGTs) are widely distributed within living organisms and share roles in biotransformation of various lipophilic endo- and xenobiotics with activated UDP sugars. In this study, it was found that the activity of UGTs in abamectin-resistant (AbR) strain was significantly higher (2.35-fold) than that in susceptible strain (SS) of Tetranychus cinnabarinus. Further analysis showed that 5-nitrouracil, the inhibitor of UGTs, could enhance the lethal effect of abamectin on mites. From the previous microarray results, we found an UGT gene (UGT201D3) overexpressed in AbR strain. Quantitative PCR analysis showed that UGT201D3 was highly expressed and more inducible with abamectin exposure in the AbR strain. After silencing the transcription of UGT201D3, the activity of UGTs was decreased and the susceptibility to abamectin was increased in AbR strain whereas it was not in SS. Furthermore, UGT201D3 gene was then successfully expressed in Escherichia coli. The recombinant UGT201D3 exhibited α-naphthol activity (2.81 ± 0.43 nmol/mg protein/min), and the enzyme activity could be inhibited by abamectin (inhibitory concentration at 50%: 57.50 ± 3.54 μmol/L). High-performance liquid chromatography analysis demonstrated that the recombinant UGT201D3 could effectively deplete abamectin (15.77% ± 3.72%) incubating with 150 μg protein for 6 h. These results provided direct evidence that UGT201D3 was involved in abamectin resistance in T. cinnabarinus.
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Affiliation(s)
- Meng‐Yao Wang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
| | - Xin‐Yang Liu
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
| | - Li Shi
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
| | - Jia‐Lu Liu
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
| | - Guang‐Mao Shen
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
| | - Ping Zhang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
| | - Wen‐Cai Lu
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
| | - Lin He
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant ProtectionSouthwest UniversityChongqingChina
- Academy of Agricultural SciencesSouthwest UniversityChongqingChina
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12
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Jin M, Liao C, Chakrabarty S, Zheng W, Wu K, Xiao Y. Transcriptional response of ATP-binding cassette (ABC) transporters to insecticides in the cotton bollworm, Helicoverpa armigera. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2019; 154:46-59. [PMID: 30765056 DOI: 10.1016/j.pestbp.2018.12.007] [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: 07/16/2018] [Revised: 12/11/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
When any living organism is frequently exposed to any drugs or toxic substances, they evolve different detoxification mechanism to confront with toxicants during absorption and metabolism. Likewise, the insects have evolved detoxification mechanisms as they are frequently exposed to different toxic secondary plant metabolites and commercial insecticides. ABC transporter superfamily is one of the largest and ubiquitous group of proteins which play an important role in phase III of the detoxification process. However, knowledge about this gene family remains largely unknown. To help fill this gap, we have identified a total of 54 ABC transporters in the Helicoverpa armigera genome which are classified into eight subfamilies (A-H) by phylogenetic analysis. The temporal and spatial expression profiles of these 54 ABC transporters throughout H. armigera development stages and seven tissues and their responses to five different insecticides, were investigated using RNA-seq analysis. Furthermore, the mRNA expression of eight selected genes in different tissues and six genes responses to insecticides were confirmed by the quantitative real-time PCR (RT-qPCR). Moreover, H. armigera become more sensitive to abamectin and indoxacarb when P-gp was inhibited. These results provide a foundation for further studies of ABCs in H. armigera.
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Affiliation(s)
- Minghui Jin
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China; The State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, West Yuanmingyuan Road, Beijing 100193, China
| | - Chongyu Liao
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Swapan Chakrabarty
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Weigang Zheng
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Kongming Wu
- The State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, West Yuanmingyuan Road, Beijing 100193, China
| | - Yutao Xiao
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China.
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13
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Crisan L, Borota A, Suzuki T, Funar-Timofei S. An Approach to Identify New Insecticides Against Myzus Persicae. In silico Study Based on Linear and Non-linear Regression Techniques. Mol Inform 2019; 38:e1800119. [PMID: 30632677 DOI: 10.1002/minf.201800119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 12/04/2018] [Indexed: 11/11/2022]
Abstract
Neonicotinoids are known to have high insecticidal potency, low mammalian toxicity and relatively tough activity for the development of resistance against aphids. A series of guadipyr insecticides, active against Myzus persicae was engaged in silico studies, based on Multiple Linear Regression (MLR), Partial Least Squares regression (PLS), Artificial Neural Networks (ANN), Support Vector Machine (SVM) and Pharmacophore modeling. Robust and predictive models were built using correlations between the insecticidal profile, expressed by experimental pLC50 values, and molecular descriptors, calculated from the energy optimized structures. Four new potential insecticides active against Myzus persicae and their predicted pLC50 toxicity values were reported for the first time. The models presented here can be used as an approach in the screening and prioritization of chemicals in a scientific and regulatory frame and for toxicity prediction.
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Affiliation(s)
- Luminita Crisan
- Computational Chemistry Department, Institute of Chemistry Timisoara of the Romanian Academy, B-dul Mihai Viteazu 24, RO-300223, Timisoara, Romania
| | - Ana Borota
- Computational Chemistry Department, Institute of Chemistry Timisoara of the Romanian Academy, B-dul Mihai Viteazu 24, RO-300223, Timisoara, Romania
| | - Takahiro Suzuki
- Natural Science Laboratory, Toyo University, 5-28-20 Hakusan, Bunkyo-ku, Tokyo, 112-8606, Japan
| | - Simona Funar-Timofei
- Computational Chemistry Department, Institute of Chemistry Timisoara of the Romanian Academy, B-dul Mihai Viteazu 24, RO-300223, Timisoara, Romania
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14
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Zhou C, Yang H, Wang Z, Long GY, Jin DC. Protective and Detoxifying Enzyme Activity and ABCG Subfamily Gene Expression in Sogatella furcifera Under Insecticide Stress. Front Physiol 2019; 9:1890. [PMID: 30670985 PMCID: PMC6331518 DOI: 10.3389/fphys.2018.01890] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 12/13/2018] [Indexed: 12/12/2022] Open
Abstract
Sogatella furcifera, an important migratory pest of rice, has substantial detrimental effects on rice production. To clarify the mechanism whereby S. furcifera responds to insecticide stress, we measured the activity of its protective [superoxide dismutase (SOD); peroxidase (POD); catalase (CAT)] and detoxifying [carboxylesterase (CarE); glutathione S-transferase (GST); mixed-function oxidase (MFO)] enzymes and the expression levels of its ATP-binding cassette subfamily G (ABCG) transporter genes in response to sublethal concentrations (LC10 and LC25) of the insecticides thiamethoxam, buprofezin, and abamectin. On the bases of the transcriptome data and the ABCG genes of Laodelphax striatellus, we obtained 14 full-length ABCG sequences for S. furcifera. RT-qPCR results showed that 13, 12, and 9 sfABCG genes were upregulated in the presence of thiamethoxam, buprofezin, and abamectin, respectively, at LC10. Moreover, 13 and 7 sfABCG genes were upregulated following treatment with thiamethoxam and abamectin, respectively, at LC25. Enzyme activity assays showed that although thiamethoxam, buprofezin, and abamectin induced GST, CarE, CAT, POD, and SOD activity, they did so at different concentrations and exposure times. The activity of MFO was generally inhibited with prolonged exposure to the three insecticides, with the inhibitory effect being most significant at 72 h. These results indicate that S. furcifera differs in its response to different types or concentrations of insecticides. Taken together, our results lay the foundations for gaining a deeper understanding of the mechanisms underlying the adaptation of S. furcifera to different types of insecticides, which would be of considerable significance for the development of effective pest management strategies.
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Affiliation(s)
- Cao Zhou
- Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Institute of Entomology, Guizhou University, Guiyang, China
| | - Hong Yang
- Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Institute of Entomology, Guizhou University, Guiyang, China
- College of Tobacco Science of Guizhou University, Guiyang, China
| | - Zhao Wang
- Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Institute of Entomology, Guizhou University, Guiyang, China
- College of Environment and Life Sciences, Kaili University, Kaili, China
| | - Gui-Yun Long
- Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Institute of Entomology, Guizhou University, Guiyang, China
| | - Dao-Chao Jin
- Provincial Key Laboratory for Agricultural Pest Management of Mountainous Regions, Institute of Entomology, Guizhou University, Guiyang, China
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15
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Kang ZW, Liu FH, Zhang ZF, Tian HG, Liu TX. Volatile β-Ocimene Can Regulate Developmental Performance of Peach Aphid Myzus persicae Through Activation of Defense Responses in Chinese Cabbage Brassica pekinensis. FRONTIERS IN PLANT SCIENCE 2018; 9:708. [PMID: 29892310 PMCID: PMC5985497 DOI: 10.3389/fpls.2018.00708] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 05/09/2018] [Indexed: 05/24/2023]
Abstract
In nature, plants have evolved sophisticated defense mechanisms against the attack of pathogens and insect herbivores. Plant volatile-mediated plant-to-plant communication has been assessed in multitrophic systems in different plant species and different pest species. β-ocimene is recognized as an herbivore-induced plant volatile that play an important role in the chemical communication between plants and pests. However, it is still unclear whether β-ocimene can active the defense mechanism of Chinese cabbage Brassica pekinensis against the peach aphid Myzus persicae. In this study, we found that treatment of Chinese cabbage with β-ocimene inhibited the growth of M. persicae in terms of weight gain and reproduction. Moreover, β-ocimene treatment negatively influenced the feeding behavior of M. persicae by shortening the total feeding period and phloem ingestion and increasing the frequency of stylet puncture. When given a choice, winged aphids preferred to settle on healthy Chinese cabbage compared with β-ocimene-treated plants. In addition, performance of the parasitoid Aphidius gifuensis in terms of Y-tube olfaction and landings was better on β-ocimene-treated Chinese cabbage than on healthy plants. Furthermore, β-ocimene significantly increased the expression levels of salicylic acid and jasmonic acid marker genes and the accumulation of glucosinolates. Surprisingly, the transcriptional levels of detoxifying enzymes (CYP6CY3, CYP4, and GST) in aphids reared on β-ocimene-treated Chinese cabbage were significantly higher than those of aphids reared on healthy plants. In summary, our results indicated that β-ocimene can activate the defense response of Chinese cabbage against M. persicae, and that M. persicae can also adjust its detoxifying enzymes machinery to counter the host plant defense reaction.
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Affiliation(s)
- Zhi-Wei Kang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Xianyang, China
| | - Fang-Hua Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Xianyang, China
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Zhan-Feng Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Xianyang, China
| | - Hong-Gang Tian
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Xianyang, China
| | - Tong-Xian Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Xianyang, China
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16
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Figueroa CC, Fuentes-Contreras E, Molina-Montenegro MA, Ramírez CC. Biological and genetic features of introduced aphid populations in agroecosystems. CURRENT OPINION IN INSECT SCIENCE 2018; 26:63-68. [PMID: 29764662 DOI: 10.1016/j.cois.2018.01.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 01/12/2018] [Accepted: 01/16/2018] [Indexed: 06/08/2023]
Abstract
In agroecosystems, introduced aphids that reproduce by obligate parthenogenesis (OP) show strong biased representation of a few genotypes (superclones), whereas species with cyclical parthenogenesis (CP) exhibit the opposite trend with many unique genotypes. We analyzed the biological and genetic features of 23 different aphid species introduced in different geographic areas and climates, finding putative superclones in about 60% of them. We have examined the proximal causes for aphid establishment and spread after their introduction, and found that OP, host availability, and phenotypic plasticity are among the main variables underpinning the ability of aphids to succeed in new geographic areas, which may explain the high potential for invasion in this group of pest insects.
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Affiliation(s)
- Christian C Figueroa
- Instituto de Ciencias Biológicas, Universidad de Talca, Chile; Centre for Molecular and Functional Ecology in Agroecosystems, Universidad de Talca, 1 Poniente 1141, Talca, Chile.
| | - Eduardo Fuentes-Contreras
- Facultad de Ciencias Agrarias, Universidad de Talca, Chile; Centre for Molecular and Functional Ecology in Agroecosystems, Universidad de Talca, 1 Poniente 1141, Talca, Chile
| | - Marco A Molina-Montenegro
- Instituto de Ciencias Biológicas, Universidad de Talca, Chile; Centre for Molecular and Functional Ecology in Agroecosystems, Universidad de Talca, 1 Poniente 1141, Talca, Chile
| | - Claudio C Ramírez
- Instituto de Ciencias Biológicas, Universidad de Talca, Chile; Centre for Molecular and Functional Ecology in Agroecosystems, Universidad de Talca, 1 Poniente 1141, Talca, Chile
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17
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Li Y, Zhang Y, Liu X, Guo H. Does Resistance to Buprofezin Improve Heat and Cold Tolerance of Laodelphax striatellus (Hemiptera: Delphacidae)? ENVIRONMENTAL ENTOMOLOGY 2017; 46:988-994. [PMID: 28595288 DOI: 10.1093/ee/nvx101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Indexed: 06/07/2023]
Abstract
There is ample evidence that insecticide resistance causes fitness costs and benefits in pests, while the impact of insecticide resistance on thermotolerance of pests is mostly unclear. The Laodelphax striatellus (Fallén), is an important rice insect pest, which has developed resistance to buprofezin in China. Here, we investigated differences in heat tolerance and cold tolerance among L. striatellus lines with variable buprofezin resistance. The lethal time for 50% of the individuals to die (LT50) at 40 °C increased with an increase in buprofezin resistance level, whereas both the survival rate under -22 °C and the supercooling point of planthoppers did not differ significantly between resistant and susceptible strains. The metabolic enzyme carboxylesterase was found to have an association with buprofezin resistance. Our research showed that buprofezin resistance was positively related with heat tolerance in L. striatellus, but it had no effect on cold tolerance. Insecticide resistance in L. striatellus may therefore have broader implications for the ecology of L. striatellus, and the management of buprofezin resistance in this pest may be challenging.
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Affiliation(s)
- Yongteng Li
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Weigang No. 1, Nanjing, 210095, China
| | - Yueliang Zhang
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China
| | - Xiangdong Liu
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Weigang No. 1, Nanjing, 210095, China
| | - Huifang Guo
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Weigang No. 1, Nanjing, 210095, China
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China
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18
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Quesada-Calderón S, Bacigalupe LD, Toro-Vélez AF, Madera-Parra CA, Peña-Varón MR, Cárdenas-Henao H. The multigenerational effects of water contamination and endocrine disrupting chemicals on the fitness of Drosophila melanogaster. Ecol Evol 2017; 7:6519-6526. [PMID: 28861253 PMCID: PMC5574807 DOI: 10.1002/ece3.3172] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 05/09/2017] [Accepted: 05/17/2017] [Indexed: 12/19/2022] Open
Abstract
Water pollution due to human activities produces sedimentation, excessive nutrients, and toxic chemicals, and this, in turn, has an effect on the normal endocrine functioning of living beings. Overall, water pollution may affect some components of the fitness of organisms (e.g., developmental time and fertility). Some toxic compounds found in polluted waters are known as endocrine disruptors (ED), and among these are nonhalogenated phenolic chemicals such as bisphenol A and nonylphenol. To evaluate the effect of nonhalogenated phenolic chemicals on the endocrine system, we subjected two generations (F0 and F1) of Drosophila melanogaster to different concentrations of ED. Specifically, treatments involved wastewater, which had the highest level of ED (bisphenol A and nonylphenol) and treated wastewater from a constructed Heliconia psittacorum wetland with horizontal subsurface water flow (He); the treated wastewater was the treatment with the lowest level of ED. We evaluated the development time from egg to pupa and from pupa to adult as well as fertility. The results show that for individuals exposed to treated wastewater, the developmental time from egg to pupae was shorter in individuals of the F1 generation than in the F0 generation. Additionally, the time from pupae to adult was longer for flies growing in the H. psittacorum treated wastewater. Furthermore, fertility was lower in the F1 generation than in the F0 generation. Although different concentrations of bisphenol A and nonylphenol had no significant effect on the components of fitness of D. melanogaster (developmental time and fertility), there was a trend across generations, likely as a result of selection imposed on the flies. It is possible that the flies developed different strategies to avoid the effects of the various environmental stressors.
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Affiliation(s)
- Suany Quesada-Calderón
- Instituto de Ciencias Ambientales y Evolutivas Facultad de Ciencias Universidad Austral de Chile Valdivia Chile.,Doctorado en ciencias, mención Ecología y Evolución Universidad Austral de Chile Valdivia Chile
| | - Leonardo Daniel Bacigalupe
- Instituto de Ciencias Ambientales y Evolutivas Facultad de Ciencias Universidad Austral de Chile Valdivia Chile
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Pinheiro PV, Ghanim M, Alexander M, Rebelo AR, Santos RS, Orsburn BC, Gray S, Cilia M. Host Plants Indirectly Influence Plant Virus Transmission by Altering Gut Cysteine Protease Activity of Aphid Vectors. Mol Cell Proteomics 2016; 16:S230-S243. [PMID: 27932519 DOI: 10.1074/mcp.m116.063495] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 11/29/2016] [Indexed: 11/06/2022] Open
Abstract
The green peach aphid, Myzus persicae, is a vector of the Potato leafroll virus (PLRV, Luteoviridae), transmitted exclusively by aphids in a circulative manner. PLRV transmission efficiency was significantly reduced when a clonal lineage of M. persicae was reared on turnip as compared with the weed physalis, and this was a transient effect caused by a host-switch response. A trend of higher PLRV titer in physalis-reared aphids as compared with turnip-reared aphids was observed at 24 h and 72 h after virus acquisition. The major difference in the proteomes of these aphids was the up-regulation of predicted lysosomal enzymes, in particular the cysteine protease cathepsin B (cathB), in aphids reared on turnip. The aphid midgut is the site of PLRV acquisition, and cathB and PLRV localization were starkly different in midguts of the aphids reared on the two host plants. In viruliferous aphids that were reared on turnip, there was near complete colocalization of cathB and PLRV at the cell membranes, which was not observed in physalis-reared aphids. Chemical inhibition of cathB restored the ability of aphids reared on turnip to transmit PLRV in a dose-dependent manner, showing that the increased activity of cathB and other cysteine proteases at the cell membrane indirectly decreased virus transmission by aphids. Understanding how the host plant influences virus transmission by aphids is critical for growers to manage the spread of virus among field crops.
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Affiliation(s)
- Patricia V Pinheiro
- From the ‡Department of Entomology, Cornell University, Ithaca, New York 14853.,§Boyce Thompson Institute for Plant Research, Ithaca, New York 14853.,¶Embrapa Rice and Beans, Santo Antônio de Goiás 171, Brazil
| | - Murad Ghanim
- ‖Department of Entomology, Volcani Center, Bet Dagan 5025001, Israel
| | - Mariko Alexander
- **Plant Pathology and Plant Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
| | - Ana Rita Rebelo
- §Boyce Thompson Institute for Plant Research, Ithaca, New York 14853
| | - Rogerio S Santos
- §Boyce Thompson Institute for Plant Research, Ithaca, New York 14853
| | | | - Stewart Gray
- **Plant Pathology and Plant Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York.,§§USDA Agricultural Research Service, Emerging Pests and Pathogens Research Unit, Robert W. Holley Center for Agriculture and Health, Ithaca, New York
| | - Michelle Cilia
- From the ‡Department of Entomology, Cornell University, Ithaca, New York 14853; .,**Plant Pathology and Plant Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York.,§§USDA Agricultural Research Service, Emerging Pests and Pathogens Research Unit, Robert W. Holley Center for Agriculture and Health, Ithaca, New York
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20
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Wang K, Peng X, Zuo Y, Li Y, Chen M. Molecular Cloning, Expression Pattern and Polymorphisms of NADPH-Cytochrome P450 Reductase in the Bird Cherry-Oat Aphid Rhopalosiphum padi (L.). PLoS One 2016; 11:e0154633. [PMID: 27124302 PMCID: PMC4849790 DOI: 10.1371/journal.pone.0154633] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Accepted: 04/15/2016] [Indexed: 02/04/2023] Open
Abstract
NADPH–cytochrome P450 reductase (CPR) plays an important role in the cytochrome P450 (CYP)-mediated metabolism of endogenous and exogenous substrates. CPR has been found to be associated with insecticide metabolism and resistance in many insects. However, information regarding CPR in the bird cherry-oat aphid, Rhopalosiphum padi, is unavailable. In the current study, a full-length cDNA (2,476 bp) of CPR (RpCPR) encoding 681 amino acids was cloned from R. padi. Nucleotide sequence and deduced amino acid sequence analysis showed that RpCPR exhibits characteristics of classical CPRs and shares high identities with those of other insects, especially with the pea aphid, Acyrthosiphon pisum. The mRNA of RpCPR was expressed at all developmental stages, with the highest expression level found in the second instar and the lowest in adult. Expression levels of RpCPR in isoprocarb-resistant and imidacloprid-resistant strains were 3.74- and 3.53-fold higher, respectively, than that of a susceptible strain. RpCPR expression could also be induced by low concentrations (LC30) of isoprocarb and imidacloprid. Moreover, we sequenced the open reading frame (ORF) of RpCPR from 167 field samples collected in 11 geographical populations. Three hundred and thirty-four SNPs were detected, of which, 65 were found in more than two individuals. One hundred and ninety-four missense mutations were present in the amino acid sequence, of which, the P484S mutant had an allele frequency of 35.1%. The present results suggest that RpCPR may play an important role in the P450-mediated insecticide resistance of R. padi to isoprocarb and imidacloprid and possibly other insecticides. Meanwhile, RpCPRmaintains high genetic diversity in natural individuals, which provides the possibility of studying potential correlations between variants and certain special physiological characters.
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Affiliation(s)
- Kang Wang
- College of Plant Protection, Northwest A&F University, Yangling, China
| | - Xiong Peng
- College of Plant Protection, Northwest A&F University, Yangling, China
| | - Yayun Zuo
- College of Plant Protection, Northwest A&F University, Yangling, China
| | - Yuting Li
- College of Plant Protection, Northwest A&F University, Yangling, China
| | - Maohua Chen
- College of Plant Protection, Northwest A&F University, Yangling, China
- Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture, Yangling, China
- * E-mail:
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Nitrogen hurdle of host alternation for a polyphagous aphid and the associated changes of endosymbionts. Sci Rep 2016; 6:24781. [PMID: 27094934 PMCID: PMC4837378 DOI: 10.1038/srep24781] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 03/31/2016] [Indexed: 02/02/2023] Open
Abstract
Low proportion of essential amino acids (EAAs) is one of the barriers for animals to use phloem as a diet. Endosymbionts with EAAs synthesis functions are considered crucial for ameliorating the lack of EAAs in insects’ diets. In this study, we transferred the insects from a cabbage-reared Myzus persicae population onto 3 new plant species including eggplant, tobacco and spinach. The performance on these plants was evaluated and the dynamics of endosymbionts in relation to this host alternation were recorded. We found that the EAAs ratio in phloem was largely determined by the concentrations of non-essential amino acids and the higher proportion of EAAs seemed to favor the population establishment on new plant species and the growth of primary endosymbionts inside insects, which indicated that nitrogen quality was an important factor for aphids to infest and spread on new plant hosts.
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Jin T, Lin YY, Jin QA, Wen HB, Peng ZQ. Population Susceptibility to Insecticides and the Development of Resistance in Bactrocera cucurbitae (Diptera: Tephritidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2016; 109:837-846. [PMID: 26668351 DOI: 10.1093/jee/tov349] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Excessive insecticide applications are commonly used to manage Bactrocera cucurbitae Coquillett in China. Resistance status, resistance development trends, and patterns of cross-resistance to insecticides in B. cucurbitae were investigated. Among 21 populations from Hainan Island, two populations expressed high resistance to beta-cypermethrin; seven, eight, and ten populations expressed intermediate resistance to spinosad, avermectin, and beta-cypermethrin, respectively; four, six, one, five, and four populations expressed low resistance to spinosad, avermectin, trichlorfon, beta-cypermethrin, and fipronil, respectively; and the remaining populations exhibited either minor resistance or remained susceptible. Analysis of the development of resistance showed that resistance levels to spinosad and avermectin were readily developed at 40.68- and 18.42-fold, respectively, and a spinosad-resistant strain also showed relative positive cross-resistance to beta-cypermethrin and avermectin, but relative negative cross-resistance to trichlorfon and fipronil. These data represent the most extensive survey of insecticide resistance conducted in B. cucurbitae to date, and the level of insecticide resistance in populations should be considered when designing control measures and pest management strategies.
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Zhu F, Moural TW, Nelson DR, Palli SR. A specialist herbivore pest adaptation to xenobiotics through up-regulation of multiple Cytochrome P450s. Sci Rep 2016; 6:20421. [PMID: 26861263 PMCID: PMC4748221 DOI: 10.1038/srep20421] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 01/04/2016] [Indexed: 11/09/2022] Open
Abstract
The adaptation of herbivorous insects to their host plants is hypothesized to be intimately associated with their ubiquitous development of resistance to synthetic pesticides. However, not much is known about the mechanisms underlying the relationship between detoxification of plant toxins and synthetic pesticides. To address this knowledge gap, we used specialist pest Colorado potato beetle (CPB) and its host plant, potato, as a model system. Next-generation sequencing (454 pyrosequencing) was performed to reveal the CPB transcriptome. Differential expression patterns of cytochrome P450 complement (CYPome) were analyzed between the susceptible (S) and imidacloprid resistant (R) beetles. We also evaluated the global transcriptome repertoire of CPB CYPome in response to the challenge by potato leaf allelochemicals and imidacloprid. The results showed that more than half (51.2%) of the CBP cytochrome P450 monooxygenases (P450s) that are up-regulated in the R strain are also induced by both host plant toxins and pesticide in a tissue-specific manner. These data suggest that xenobiotic adaptation in this specialist herbivore is through up-regulation of multiple P450s that are potentially involved in detoxifying both pesticide and plant allelochemicals.
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Affiliation(s)
- Fang Zhu
- Department of Entomology, University of Kentucky, Lexington, KY 40546, USA.,Department of Entomology, Washington State University, Pullman, WA 99164, USA
| | - Timothy W Moural
- Department of Chemistry, Washington State University, Pullman 99164, USA
| | - David R Nelson
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee, Memphis, TN 38163, USA
| | - Subba R Palli
- Department of Entomology, University of Kentucky, Lexington, KY 40546, USA
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24
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Liu Y, Qi M, Chi Y, Wuriyanghan H. De Novo Assembly of the Transcriptome for Oriental Armyworm Mythimna separata (Lepidoptera: Noctuidae) and Analysis on Insecticide Resistance-Related Genes. JOURNAL OF INSECT SCIENCE (ONLINE) 2016; 16:iew079. [PMID: 27638951 PMCID: PMC5026479 DOI: 10.1093/jisesa/iew079] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 07/25/2016] [Indexed: 05/10/2023]
Abstract
Mythimna separata walker (Lepidoptera: Noctuidae) is a polyphagous pest of nearly 100 families of more than 300 kinds of food and industrial crops. So far, both nucleotide and protein sequence information has been rarely available in database for M. separata, strictly limiting molecular biology research in this insect species. In this study, we carried out a transcriptome sequencing for M. separata The sequencing and subsequent bioinformatics analysis yielded 69,238 unigenes, among which 45,227 unigenes were annotated to corresponding functions by blasting with high homologous genes in database, giving annotation rate of 65.32%. Several lepidopteran insects gave best matches with the transcriptome data. To gain insight into the mechanism of insecticide resistance in M. separata, 15 families of genes encoding insecticide resistance-related proteins were investigated. Substantial numbers of unigenes in these families were identified in the transcriptome data, and 17 out of 21 selected unigenes were successfully amplified. Expressions of most of these genes were detected at larval stages and in gut tissue, as was consistent with their putative involvement in insecticide resistance. Our study provides most comprehensive transcriptome data for M. separata to date, and also provides reference sequence information for other Noctuidae family insects.
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Affiliation(s)
- Yajuan Liu
- Inner Mongolia University, No. 235 West College Road, Hohhot, 010021, Inner Mongolia, People's Republic of China
| | - Muge Qi
- Inner Mongolia University, No. 235 West College Road, Hohhot, 010021, Inner Mongolia, People's Republic of China
| | - Yuchen Chi
- Inner Mongolia University, No. 235 West College Road, Hohhot, 010021, Inner Mongolia, People's Republic of China
| | - Hada Wuriyanghan
- Inner Mongolia University, No. 235 West College Road, Hohhot, 010021, Inner Mongolia, People's Republic of China
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25
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Nespolo RF, Silva AX, Figueroa CC, Bacigalupe LD. Anticipatory gene regulation driven by maternal effects in an insect-host system. Ecol Evol 2015; 5:5601-8. [PMID: 27069609 PMCID: PMC4813104 DOI: 10.1002/ece3.1763] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 08/12/2015] [Indexed: 11/06/2022] Open
Abstract
Adaptive mechanisms involved in the prediction of future environments are common in organisms experiencing temporally variable environments. One of these is AGR (anticipatory gene regulation); in which differential gene expression occur in an individual, triggered by the experience of an ancestor. In this study, we explored the existence of AGR driven by a maternal effect, in an insect–host system. We analyzed gene expression of detoxifying systems in aphids across two generations, by shifting mothers and offspring from chemically defended to nondefended hosts, and vice versa. Then, we measured fitness (intrinsic rate of increase) and the relative abundance of transcripts from certain candidate genes in daughters, using RT‐qPCR (quantitative reverse‐transcription PCR). We found AGR in most cases, but responses varied according to the system being analyzed. For some pathways (e.g., cathepsins), the experience of both mothers and offsprings affected the response (i.e., when both, mother and daughter grew in the defended host, the maximum response was elicited; when only the mother grew in the defended host, an intermediate response was elicited; and when both, mother and daughter grew in a nondefended host, the response was undetectable). In other cases (esterases and GSTs), gene over‐expression was maintained even if the daughter was transferred to the nondefended host. In spite of these changes at the gene‐regulatory level, fitness was constant across hosts, suggesting that insects keep adapted thanks to this fluctuating gene expression. Also, it seems that that telescopic reproduction permits aphids to anticipate stressful environments, by minute changes in the timing of differential gene expression.
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Affiliation(s)
- Roberto F Nespolo
- Instituto de Ciencias Ambientales y Evolutivas Facultad de Ciencias Universidad Austral de Chile Valdivia Chile; Center of Applied Ecology and Sustainability (CAPES) Facultad de Ciencias Biológicas Universidad Católica de Chile Santiago 6513677 Chile
| | - Andrea X Silva
- AUSTRAL-omics Facultad de Ciencias Universidad Austral de Chile Valdivia Chile
| | - Christian C Figueroa
- Laboratorio de Interacciones Insecto-Planta Instituto de Ciencias Biológicas Universidad de Talca 2 Norte 685 Talca Chile; Millennium Nucleus Centre in Molecular Ecology and Evolutionary Applications in the Agroecosystems Universidad de Talca 2 Norte 685 Talca Chile
| | - Leonardo D Bacigalupe
- Instituto de Ciencias Ambientales y Evolutivas Facultad de Ciencias Universidad Austral de Chile Valdivia Chile
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26
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Zhang LJ, Wu ZL, Wang KF, Liu Q, Zhuang HM, Wu G. Trade-off between thermal tolerance and insecticide resistance in Plutella xylostella. Ecol Evol 2015; 5:515-30. [PMID: 25691976 PMCID: PMC4314281 DOI: 10.1002/ece3.1380] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2014] [Revised: 11/21/2014] [Accepted: 12/01/2014] [Indexed: 11/09/2022] Open
Abstract
Fitness costs associated with resistance to insecticides have been well documented, usually at normal temperature conditions, in many insect species. In this study, using chlorpyrifos-resistant homozygote (RR) and chlorpyrifos-susceptible homozygote (SS) of resistance ace1 allele of Plutella xylostella (DBM), we confirmed firstly that high temperature experience in pupal stage influenced phenotype of wing venation in insecticide-resistant and insecticide-susceptible Plutella xylostella, and SS DBM showed significantly higher thermal tolerance and lower damages of wing veins under heat stress than RR DBM. As compared to SS DBM, RR DBM displayed significantly lower AChE sensitivity to chlorpyrifos, higher basal GSTs activity and P450 production at 25°C, but higher inhibitions on the enzyme activities and P450 production as well as reduced resistance to chlorpyrifos under heat stress. Furthermore, RR DBM displayed significantly higher basal expressions of hsp69s, hsp72s, hsp20,hsp90,Apaf-1, and caspase-7 at 25°C, but lower induced expressions of hsps and higher induced expressions of Apaf-1,caspase-9, and caspase-7 under heat stress. These results suggest that fitness costs of chlorpyrifos resistance in DBM may partly attribute to excess consumption of energy caused by over production of detoxification enzymes and hsps when the proteins are less demanded at conducive environments but reduced expressions when they are highly demanded by the insects to combat environmental stresses, or to excess expressions of apoptotic genes under heat stress, which results in higher apoptosis. The evolutionary and ecological implications of these findings at global warming are discussed.
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Affiliation(s)
- Lin Jie Zhang
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), Fujian Agriculture and Forestry UniversityFuzhou, 350002, China
| | - Zhao Li Wu
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), Fujian Agriculture and Forestry UniversityFuzhou, 350002, China
| | - Kuan Fu Wang
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), Fujian Agriculture and Forestry UniversityFuzhou, 350002, China
| | - Qun Liu
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), Fujian Agriculture and Forestry UniversityFuzhou, 350002, China
| | - Hua Mei Zhuang
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), Fujian Agriculture and Forestry UniversityFuzhou, 350002, China
| | - Gang Wu
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), Fujian Agriculture and Forestry UniversityFuzhou, 350002, China
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27
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Matsumoto Y, Suetsugu Y, Nakamura M, Hattori M. Transcriptome analysis of the salivary glands of Nephotettix cincticeps (Uhler). JOURNAL OF INSECT PHYSIOLOGY 2014; 71:170-176. [PMID: 25450428 DOI: 10.1016/j.jinsphys.2014.10.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 10/12/2014] [Accepted: 10/13/2014] [Indexed: 06/04/2023]
Abstract
The green rice leafhopper (GRH), Nephotettix cincticeps, is one of the most important pests of rice in temperate Asian countries. GRH, a vascular feeder, secretes watery and gelling saliva in the process of feeding on phloem and xylem sap. It is known that GRH saliva contains several bioactive proteins, including enzymes such as laccase and beta-glucosidase. In this study, we performed transcriptome analysis of salivary glands of GRH using Illumina paired-end sequencing. Of 51,788 assembled contigs, 16,017 (30.9%) showed significant similarity to known proteins in the NCBI nr database, while 34,978 (67.5%) could not be annotated by similarity search, Pfam, or gene ontology (GO). Contigs (905) with predicted signal peptides and no putative transmembrane domains are suggested to represent secreted protein coding genes. Among the 76 most highly expressed putative secretory protein contigs, 68 transcripts were found to be salivary gland-specific or at least -dominant, but not expressed in stomach or Malpighian tubules. However, 45 of the 68 transcripts were unknown proteins. These findings suggest that most of the GRH transcripts encoding secreted proteins expressed in salivary glands are species and/or tissue specific. Our results provide a fundamental list of genes involved in GRH-Poaceae host plant interactions including successful feeding and plant pathogen transmission.
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Affiliation(s)
- Yukiko Matsumoto
- National Institute of Agrobiological Sciences, Owashi 1-2, Tsukuba, Ibaraki 305-8634, Japan.
| | - Yoshitaka Suetsugu
- National Institute of Agrobiological Sciences, Owashi 1-2, Tsukuba, Ibaraki 305-8634, Japan.
| | - Masatoshi Nakamura
- National Institute of Agrobiological Sciences, Kobuchizawa 6585, Hokuto, Yamanashi 408-0044, Japan.
| | - Makoto Hattori
- National Institute of Agrobiological Sciences, Owashi 1-2, Tsukuba, Ibaraki 305-8634, Japan.
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28
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Rubiano-Rodríguez JA, Fuentes-Contreras E, Figueroa CC, Margaritopoulos JT, Briones LM, Ramírez CC. Genetic diversity and insecticide resistance during the growing season in the green peach aphid (Hemiptera: Aphididae) on primary and secondary hosts: a farm-scale study in Central Chile. BULLETIN OF ENTOMOLOGICAL RESEARCH 2014; 104:182-194. [PMID: 24484894 DOI: 10.1017/s000748531300062x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The seasonal dynamics of neutral genetic diversity and the insecticide resistance mechanisms of insect pests at the farm scale are still poorly documented. Here this was addressed in the green peach aphid Myzus persicae (Sulzer) (Hemiptera: Aphididae) in Central Chile. Samples were collected from an insecticide sprayed peach (Prunus persica L.) orchard (primary host), and a sweet-pepper (Capsicum annum var. grossum L.) field (secondary host). In addition, aphids from weeds (secondary hosts) growing among these crops were also sampled. Many unique multilocus genotypes were found on peach trees, while secondary hosts were colonized mostly by the six most common genotypes, which were predominantly sensitive to insecticides. In both fields, a small but significant genetic differentiation was found between aphids on the crops vs. their weeds. Within-season comparisons showed genetic differentiation between early and late season samples from peach, as well as for weeds in the peach orchard. The knock-down resistance (kdr) mutation was detected mostly in the heterozygote state, often associated with modified acetylcholinesterase throughout the season for both crops. This mutation was found in high frequency, mainly in the peach orchard. The super-kdr mutation was found in very low frequencies in both crops. This study provides farm-scale evidence that the aphid M. persicae can be composed of slightly different genetic groups between contiguous populations of primary and secondary hosts exhibiting different dynamics of insecticide resistance through the growing season.
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Affiliation(s)
| | - E Fuentes-Contreras
- Facultad de Ciencias Agrarias, Universidad de Talca, Casilla 747, Talca, Chile
| | - C C Figueroa
- Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile
| | - J T Margaritopoulos
- Department of Biochemistry and Biotechnology, University of Thessaly, Ploutonos 26 & Aiolou Street, 412 21 Larissa, Greece
| | - L M Briones
- Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile
| | - C C Ramírez
- Instituto de Biología Vegetal y Biotecnología, Universidad de Talca, Casilla 747, Talca, Chile
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29
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Persson KJ, Bergström K, Mazur-Marzec H, Legrand C. Differential tolerance to cyanobacterial exposure between geographically distinct populations of Perca fluviatilis. Toxicon 2013; 76:178-86. [DOI: 10.1016/j.toxicon.2013.08.066] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 08/27/2013] [Accepted: 08/29/2013] [Indexed: 10/26/2022]
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30
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Bacigalupe LD, Barrientos K, Beckerman AP, Carter MJ, Figueroa CC, Foster SP, Moore AJ, Silva AX, Nespolo RF. Can invasions occur without change? A comparison of G-matrices and selection in the peach-potato aphid, Myzus persicae. Ecol Evol 2013; 3:5109-18. [PMID: 24455140 PMCID: PMC3892372 DOI: 10.1002/ece3.883] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 08/12/2013] [Accepted: 08/30/2013] [Indexed: 11/05/2022] Open
Abstract
Most evolutionary research on biological invasions has focused on changes seen between the native and invaded range for a particular species. However, it is likely that species that live in human-modified habitats in their native range might have evolved specific adaptations to those environments, which increase the likelihood of establishment and spread in similar human-altered environments. From a quantitative genetic perspective, this hypothesis suggests that both native and introduced populations should reside at or near the same adaptive peak. Therefore, we should observe no overall changes in the G (genetic variance-covariance) matrices between native and introduced ranges, and stabilizing selection on fitness-related traits in all populations. We tested these predictions comparing three populations of the worldwide pest Myzus persicae from the Middle East (native range) and the UK and Chile (separately introduced ranges). In general, our results provide mixed support for this idea, but further comparisons of other species are needed. In particular, we found that there has been some limited evolution in the studied traits, with the Middle East population differing from the UK and Chilean populations. This was reflected in the structure of the G-matrices, in which Chile differed from both UK and Middle East populations. Furthermore, the amount of genetic variation was massively reduced in Chile in comparison with UK and Middle East populations. Finally, we found no detectable selection on any trait in the three populations, but clones from the introduced ranges started to reproduce later, were smaller, had smaller offspring, and had lower reproductive fitness than clones from the native range.
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Affiliation(s)
- Leonardo D Bacigalupe
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile P.O. 51110566, Valdivia, Chile
| | - Karin Barrientos
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile P.O. 51110566, Valdivia, Chile
| | - Andrew P Beckerman
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile P.O. 51110566, Valdivia, Chile ; Department of Animal and Plant Sciences, University of Sheffield Sheffield, S102TN, U.K
| | - Mauricio J Carter
- Centre for Ecology & Conservation, College of Life & Environmental Sciences, University of Exeter Cornwall Campus, Penryn, U.K
| | - Christian C Figueroa
- Instituto de Biología Vegetal y Biotecnología, Universidad de Talca 2 Norte 685, Talca, Chile
| | - Stephen P Foster
- Rothamsted Research West Common, Harpenden, Hertfordshire, AL5 2JQ, U.K
| | - Allen J Moore
- Centre for Ecology & Conservation, College of Life & Environmental Sciences, University of Exeter Cornwall Campus, Penryn, U.K ; Department of Genetics, University of Georgia Athens, GA, 30602
| | - Andrea X Silva
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile P.O. 51110566, Valdivia, Chile
| | - Roberto F Nespolo
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile P.O. 51110566, Valdivia, Chile
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Louis J, Shah J. Arabidopsis thaliana-Myzus persicae interaction: shaping the understanding of plant defense against phloem-feeding aphids. FRONTIERS IN PLANT SCIENCE 2013; 4:213. [PMID: 23847627 PMCID: PMC3696735 DOI: 10.3389/fpls.2013.00213] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Accepted: 06/04/2013] [Indexed: 05/19/2023]
Abstract
The phloem provides a unique niche for several organisms. Aphids are a large group of Hemipteran insects that utilize stylets present in their mouthparts to pierce sieve elements and drink large volumes of phloem sap. In addition, many aphids also vector viral diseases. Myzus persicae, commonly known as the green peach aphid (GPA), is an important pest of a large variety of plants that includes Arabidopsis thaliana. This review summarizes recent studies that have exploited the compatible interaction between Arabidopsis and GPA to understand the molecular and physiological mechanisms utilized by plants to control aphid infestation, as well as genes and mechanisms that contribute to susceptibility. In addition, recent efforts to identify aphid-delivered elicitors of plant defenses and novel aphid salivary components that facilitate infestation are also discussed.
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Affiliation(s)
- Joe Louis
- Department of Entomology and Center for Chemical Ecology, The Pennsylvania State UniversityUniversity Park, PA, USA
| | - Jyoti Shah
- Department of Biological Sciences, University of North TexasDenton, TX, USA
- *Correspondence: Jyoti Shah, Department of Biological Sciences, University of North Texas, Life Sciences Building B, West Sycamore Street, Denton, TX 76201, USA e-mail:
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32
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Aphid-proof plants: biotechnology-based approaches for aphid control. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2013; 136:179-203. [PMID: 23728163 DOI: 10.1007/10_2013_211] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Aphids are economically significant agricultural pests that are responsible for large yield losses in many different crops. Because the use of insecticides is restricted in the context of integrated pest management and aphids develop resistance against them rapidly, new biotechnology-based approaches are required for aphid control. These approaches focus on the development of genetically modified aphid-resistant plants that express protease inhibitors, dsRNA, antimicrobial peptides, or repellents, thus addressing different levels of aphid-plant interactions. However, a common goal is to disturb host plant acceptance by aphids and to disrupt their ability to take nutrition from plants. The defense agents negatively affect different fitness-associated parameters such as growth, reproduction, and survival, which therefore reduce the impact of infestations. The results from several different studies suggest that biotechnology-based approaches offer a promising strategy for aphid control.
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