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Kumari R, Saha T, Kumar P, Singh AK. CRISPR/Cas9-mediated genome editing technique to control fall armyworm ( Spodoptera frugiperda) in crop plants with special reference to maize. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:1161-1173. [PMID: 39100879 PMCID: PMC11291824 DOI: 10.1007/s12298-024-01486-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/29/2024] [Accepted: 07/04/2024] [Indexed: 08/06/2024]
Abstract
Fall Armyworm imposes a major risk to agricultural losses. Insecticides have historically been used to manage its infestations, but it eventually becomes resistant to them. To combat the pest, a more recent strategy based on the use of transgenic maize that expresses Bt proteins such as Cry1F from the bacteria has been used. Nonetheless, there have been numerous reports of Cry1F maize resistance in FAW populations. Nowadays, the more effective and less time-consuming genome editing method known as CRISPR/Cas9 technology has gradually supplanted these various breeding techniques. This method successfully edits the genomes of various insects, including Spodoptera frugiperda. On the other hand, this new technique can change an insect's DNA to overcome its tolerance to specific insecticides or to generate a gene drive. The production of plant cultivars resistant to fall armyworms holds great potential for the sustainable management of this pest, given the swift advancement of CRISPR/Cas9 technology and its varied uses. Thus, this review article discussed and critically assessed the use of CRISPR/Cas9 genome-editing technology in long-term fall armyworm pest management. However, this review study focuses primarily on the mechanism of the CRISPR-Cas9 system in both crop plants and insects for FAW management.
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Affiliation(s)
- Rima Kumari
- Division of Plant Biotechnology, College of Agricultural Biotechnology, Bihar Agricultural University, Sabour, Bihar 813210 India
| | - Tamoghna Saha
- Department of Entomology, Bihar Agricultural University, Sabour, Bihar 813210 India
| | - Pankaj Kumar
- Department of Molecular Biology and Genetic Engineering, Bihar Agricultural University, Sabour, Bihar 813210 India
| | - A. K. Singh
- Bihar Agricultural University, Sabour, 813210 Bihar India
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2
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Long T, Mohapatra P, Ballou S, Menuz K. Odorant receptor co-receptors affect expression of tuning receptors in Drosophila. Front Cell Neurosci 2024; 18:1390557. [PMID: 38832356 PMCID: PMC11145718 DOI: 10.3389/fncel.2024.1390557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 05/01/2024] [Indexed: 06/05/2024] Open
Abstract
Insects detect odorants using two large families of heteromeric receptors, the Odorant Receptors (ORs) and Ionotropic Receptors (IRs). Most OR and IR genes encode odorant-binding "tuning" subunits, whereas four (Orco, Ir8a, Ir25a, and Ir76b) encode co-receptor subunits required for receptor function. Olfactory neurons are thought to degenerate in the absence of Orco in ants and bees, and limited data suggest this may happen to some olfactory neurons in Drosophila fruit flies as well. Here, we thoroughly examined the role of co-receptors on olfactory neuron survival in Drosophila. Leveraging knowledge that olfactory neuron classes are defined by the expression of different tuning receptors, we used tuning receptor expression in antennal transcriptomes as a proxy for the survival of distinct olfactory neuron classes. Consistent with olfactory neuron degeneration, expression of many OR-family tuning receptors is decreased in Orco mutants relative to controls, and transcript loss is progressive with age. The effects of Orco are highly receptor-dependent, with expression of some receptor transcripts nearly eliminated and others unaffected. Surprisingly, further studies revealed that olfactory neuron classes with reduced tuning receptor expression generally survive in Orco mutant flies. Furthermore, there is little apoptosis or neuronal loss in the antenna of these flies. We went on to investigate the effects of IR family co-receptor mutants using similar approaches and found that expression of IR tuning receptors is decreased in the absence of Ir8a and Ir25a, but not Ir76b. As in Orco mutants, Ir8a-dependent olfactory neurons mostly endure despite near-absent expression of associated tuning receptors. Finally, we used differential expression analysis to identify other antennal genes whose expression is changed in IR and OR co-receptor mutants. Taken together, our data indicate that odorant co-receptors are necessary for maintaining expression of many tuning receptors at the mRNA level. Further, most Drosophila olfactory neurons persist in OR and IR co-receptor mutants, suggesting that the impact of co-receptors on neuronal survival may vary across insect species.
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Affiliation(s)
- Teng Long
- Department of Physiology and Neurobiology, University of Connecticut, Storrs, CT, United States
| | - Pratyajit Mohapatra
- Department of Physiology and Neurobiology, University of Connecticut, Storrs, CT, United States
| | - Sydney Ballou
- Department of Physiology and Neurobiology, University of Connecticut, Storrs, CT, United States
| | - Karen Menuz
- Department of Physiology and Neurobiology, University of Connecticut, Storrs, CT, United States
- Connecticut Institute for the Brain and Cognitive Sciences, University of Connecticut, Storrs, CT, United States
- Institute for Systems Genomics, University of Connecticut, Storrs, CT, United States
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3
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Pullmann-Lindsley H, Huff RM, Boyi J, Pitts RJ. Odorant receptors for floral- and plant-derived volatiles in the yellow fever mosquito, Aedes aegypti (Diptera: Culicidae). PLoS One 2024; 19:e0302496. [PMID: 38709760 PMCID: PMC11073699 DOI: 10.1371/journal.pone.0302496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 04/04/2024] [Indexed: 05/08/2024] Open
Abstract
Adult mosquitoes require regular sugar meals, including nectar, to survive in natural habitats. Both males and females locate potential sugar sources using sensory proteins called odorant receptors (ORs) activated by plant volatiles to orient toward flowers or honeydew. The yellow fever mosquito, Aedes aegypti (Linnaeus, 1762), possesses a large gene family of ORs, many of which are likely to detect floral odors. In this study, we have uncovered ligand-receptor pairings for a suite of Aedes aegypti ORs using a panel of environmentally relevant, plant-derived volatile chemicals and a heterologous expression system. Our results support the hypothesis that these odors mediate sensory responses to floral odors in the mosquito's central nervous system, thereby influencing appetitive or aversive behaviors. Further, these ORs are well conserved in other mosquitoes, suggesting they function similarly in diverse species. This information can be used to assess mosquito foraging behavior and develop novel control strategies, especially those that incorporate mosquito bait-and-kill technologies.
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Affiliation(s)
| | - Robert Mark Huff
- Department of Biology, Baylor University, Waco, TX, United States of America
| | - John Boyi
- Department of Biology, Baylor University, Waco, TX, United States of America
| | - Ronald Jason Pitts
- Department of Biology, Baylor University, Waco, TX, United States of America
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Ghosh S, Suray C, Bozzolan F, Palazzo A, Monsempès C, Lecouvreur F, Chatterjee A. Pheromone-mediated command from the female to male clock induces and synchronizes circadian rhythms of the moth Spodoptera littoralis. Curr Biol 2024; 34:1414-1425.e5. [PMID: 38479388 DOI: 10.1016/j.cub.2024.02.042] [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: 01/03/2024] [Revised: 02/13/2024] [Accepted: 02/16/2024] [Indexed: 04/11/2024]
Abstract
To extract any adaptive benefit, the circadian clock needs to be synchronized to the 24-h day-night cycles. We have investigated if it is a general property of the brain's circadian clock to recognize social interactions as external time givers. Sociosexual interactions with the opposite sex are universal, prevalent even in the lives of solitary animals. The solitary adult life of the Spodoptera littoralis moth is singularly dedicated to sex, offering an ideal context for exploring the impact of sociosexual cues on circadian timekeeping. We have identified specific olfactory cues responsible for social entrainment, revealing a surprisingly strong influence of pheromone-mediated remote sociosexual interactions on circadian rhythms. Males' free-running rhythms are induced and synchronized by the sex pheromone that the female releases in a rhythmic fashion, highlighting a hierarchical relation between the female and male circadian oscillators. Even a single pulse of the sex pheromone altered clock gene expression in the male brain, surpassing the effect of light on the clock. Our finding of a daytime-dependent, lasting impact of pheromone on male's courtship efficacy indicates that circadian timing in moths is a trait under sexual selection. We have identified specific components of the sex-pheromone blend that lack mate-attractive property but have powerful circadian effects, providing rationale for their continued retention by the female. We show that such volatiles, when shared across sympatric moth species, can trigger communal synchronization. Our results suggest that the sex pheromone released by female moths entrains males' behavioral activity rhythm to ensure synchronized timing of mating.
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Affiliation(s)
- Sagnik Ghosh
- Institute of Ecology and Environmental Sciences of Paris (iEES-Paris), INRAE, Sorbonne University, CNRS, IRD, UPEC, University of Paris, 78026 Versailles, France
| | - Caroline Suray
- Institute of Ecology and Environmental Sciences of Paris (iEES-Paris), INRAE, Sorbonne University, CNRS, IRD, UPEC, University of Paris, 78026 Versailles, France
| | - Françoise Bozzolan
- Institute of Ecology and Environmental Sciences of Paris (iEES-Paris), INRAE, Sorbonne University, CNRS, IRD, UPEC, University of Paris, 78026 Versailles, France
| | - Antonio Palazzo
- Institute of Ecology and Environmental Sciences of Paris (iEES-Paris), INRAE, Sorbonne University, CNRS, IRD, UPEC, University of Paris, 78026 Versailles, France
| | - Christelle Monsempès
- Institute of Ecology and Environmental Sciences of Paris (iEES-Paris), INRAE, Sorbonne University, CNRS, IRD, UPEC, University of Paris, 78026 Versailles, France
| | - François Lecouvreur
- Institute of Ecology and Environmental Sciences of Paris (iEES-Paris), INRAE, Sorbonne University, CNRS, IRD, UPEC, University of Paris, 78026 Versailles, France
| | - Abhishek Chatterjee
- Institute of Ecology and Environmental Sciences of Paris (iEES-Paris), INRAE, Sorbonne University, CNRS, IRD, UPEC, University of Paris, 78026 Versailles, France.
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Chaudhary V, Kumar M, Chauhan C, Sirohi U, Srivastav AL, Rani L. Strategies for mitigation of pesticides from the environment through alternative approaches: A review of recent developments and future prospects. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 354:120326. [PMID: 38387349 DOI: 10.1016/j.jenvman.2024.120326] [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: 11/15/2023] [Revised: 01/14/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024]
Abstract
Chemical-based peticides are having negative impacts on both the healths of human beings and plants as well. The World Health Organisation (WHO), reported that each year, >25 million individuals in poor nations are having acute pesticide poisoning cases along with 20,000 fatal injuries at global level. Normally, only ∼0.1% of the pesticide reaches to the intended targets, and rest amount is expected to come into the food chain/environment for a longer period of time. Therefore, it is crucial to reduce the amounts of pesticides present in the soil. Physical or chemical treatments are either expensive or incapable to do so. Hence, pesticide detoxification can be achieved through bioremediation/biotechnologies, including nano-based methodologies, integrated approaches etc. These are relatively affordable, efficient and environmentally sound methods. Therefore, alternate strategies like as advanced biotechnological tools like as CRISPR Cas system, RNAi and genetic engineering for development of insects and pest resistant plants which are directly involved in the development of disease- and pest-resistant plants and indirectly reduce the use of pesticides. Omics tools and multi omics approaches like metagenomics, genomics, transcriptomics, proteomics, and metabolomics for the efficient functional gene mining and their validation for bioremediation of pesticides also discussed from the literatures. Overall, the review focuses on the most recent advancements in bioremediation methods to lessen the effects of pesticides along with the role of microorganisms in pesticides elimination. Further, pesticide detection is also a big challenge which can be done by using HPLC, GC, SERS, and LSPR ELISA etc. which have also been described in this review.
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Affiliation(s)
- Veena Chaudhary
- Department of Chemistry, Meerut College, Meerut, Uttar-Pradesh, India
| | - Mukesh Kumar
- Department of Floriculture and Landscaping Architecture, College of Horticulture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, Uttar Pradesh, India
| | - Chetan Chauhan
- Department of Floriculture and Landscaping Architecture, College of Horticulture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, Uttar Pradesh, India
| | - Ujjwal Sirohi
- National Institute of Plant Genome Research, New Delhi, India
| | - Arun Lal Srivastav
- Chitkara University School of Engineering and Technology, Chitkara University, Himachal Pradesh, India.
| | - Lata Rani
- Chitkara School of Pharmacy, Chitkara University, Himachal Pradesh, India
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6
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Xu H, Gao Y, Hassan A, Liu Y, Zhao X, Huang Q. Neuroregulation of foraging behavior mediated by the olfactory co-receptor Orco in termites. Int J Biol Macromol 2024; 262:129639. [PMID: 38331075 DOI: 10.1016/j.ijbiomac.2024.129639] [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: 11/09/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 02/10/2024]
Abstract
Olfaction is critical for survival because it allows animals to look for food and detect pheromonal cues. Neuropeptides modulate olfaction and behaviors in insects. While how the neuroregulation of olfactory recognition affects foraging behavior in termites is still unclear. Here, we analyzed the change after silencing the olfactory co-receptor gene (Orco) and the neuropeptide Y gene (NPY), and then investigated the impact of olfactory recognition on foraging behavior in Odontotermes formosanus under different predation pressures. The knockdown of Orco resulted in the reduced Orco protein expression in antennae and the decreased EAG response to trail pheromones. In addition, NPY silencing led to the damaged ability of olfactory response through downregulating Orco expression. Both dsOrco- and dsNPY-injected worker termites showed significantly reduced walking activity and foraging success. Additionally, we found that 0.1 pg/cm trail pheromone and nestmate soldiers could provide social buffering to relieve the adverse effect of predator ants on foraging behavior in worker termites with the normal ability of olfactory recognition. Our orthogonal experiments further verified that Orco/NPY genes are essential in manipulating termite olfactory recognition during foraging under different predation pressures, suggesting that the neuroregulation of olfactory recognition plays a crucial role in regulating termite foraging behavior.
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Affiliation(s)
- Huan Xu
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, Huazhong Agricultural University, Wuhan 430070, Hubei, China; Research and Development Centre of Ecological and Sustainable Application of Microbial Industry of the Loess Plateau in Shaanxi Province, Yan'an University, Yan'an 716000, Shaanxi, China; Key Laboratory of Termite Control of Ministry of Water Resources, Huazhong Agricultural University, Wuhan 430070, Hubei, China
| | - Yongyong Gao
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, Huazhong Agricultural University, Wuhan 430070, Hubei, China; Research and Development Centre of Ecological and Sustainable Application of Microbial Industry of the Loess Plateau in Shaanxi Province, Yan'an University, Yan'an 716000, Shaanxi, China; Key Laboratory of Termite Control of Ministry of Water Resources, Huazhong Agricultural University, Wuhan 430070, Hubei, China
| | - Ali Hassan
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, Huazhong Agricultural University, Wuhan 430070, Hubei, China; Key Laboratory of Termite Control of Ministry of Water Resources, Huazhong Agricultural University, Wuhan 430070, Hubei, China
| | - Yutong Liu
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, Huazhong Agricultural University, Wuhan 430070, Hubei, China
| | - Xincheng Zhao
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450000, Henan, China
| | - Qiuying Huang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, Huazhong Agricultural University, Wuhan 430070, Hubei, China; Key Laboratory of Termite Control of Ministry of Water Resources, Huazhong Agricultural University, Wuhan 430070, Hubei, China.
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7
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Wang JJ, Ma C, Yue Y, Yang J, Chen LX, Wang YT, Zhao CC, Gao X, Chen HS, Ma WH, Zhou Z. Identification of candidate chemosensory genes in Bactrocera cucurbitae based on antennal transcriptome analysis. Front Physiol 2024; 15:1354530. [PMID: 38440345 PMCID: PMC10910661 DOI: 10.3389/fphys.2024.1354530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 01/24/2024] [Indexed: 03/06/2024] Open
Abstract
The melon fly, Bactrocera cucurbitae (Coquillett) (Tephritidae: Diptera), is an invasive pest that poses a significant threat to agriculture in Africa and other regions. Flies are known to use their olfactory systems to recognise environmental chemical cues. However, the molecular components of the chemosensory system of B. cucurbitae are poorly characterised. To address this knowledge gap, we have used next-generation sequencing to analyse the antenna transcriptomes of sexually immature B. cucurbitae adults. The results have identified 160 potential chemosensory genes, including 35 odourant-binding proteins (OBPs), one chemosensory protein (CSP), three sensory neuron membrane proteins (SNMPs), 70 odourant receptors (ORs), 30 ionotropic receptors (IRs), and 21 gustatory receptors (GRs). Quantitative real-time polymerase chain reaction quantitative polymerase chain reaction was used to validate the results by assessing the expression profiles of 25 ORs and 15 OBPs. Notably, high expression levels for BcucOBP5/9/10/18/21/23/26 were observed in both the female and male antennae. Furthermore, BcucOROrco/6/7/9/13/15/25/27/28/42/62 exhibited biased expression in the male antennae, whereas BcucOR55 showed biased expression in the female antennae. This comprehensive investigation provides valuable insights into insect olfaction at the molecular level and will, thus, help to facilitate the development of enhanced pest management strategies in the future.
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Affiliation(s)
- Jing Jing Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
| | - Chao Ma
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
| | - Yang Yue
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
| | - Jingfang Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
| | - Li Xiang Chen
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
| | - Yi Ting Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
| | | | - Xuyuan Gao
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
- Guangxi Key Laboratory for Biology of Crop Diseases and Insect Pests, Institute of Plant Protection, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Hong Song Chen
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
- Guangxi Key Laboratory for Biology of Crop Diseases and Insect Pests, Institute of Plant Protection, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Wei Hua Ma
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhongshi Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- National Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, China
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8
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Gouda MNR, Jeevan H, Shashank HG. CRISPR/Cas9: a cutting-edge solution for combatting the fall armyworm, Spodoptera frugiperda. Mol Biol Rep 2023; 51:13. [PMID: 38085335 DOI: 10.1007/s11033-023-08986-1] [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: 08/17/2023] [Accepted: 10/13/2023] [Indexed: 12/18/2023]
Abstract
The utilization of CRISPR/Cas9 in Spodoptera frugiperda, commonly known as fall armyworm, presents a groundbreaking avenue for pest management. With its ability to precisely modify the insect's genome, CRISPR/Cas9 offers innovative strategies to combat this destructive pest. The application of CRISPR/Cas9 in S. frugiperda holds immense potential. It enables the identification and functional analysis of key genes associated with its behavior, development, and insecticide resistance. This knowledge can unveil novel target sites for more effective and specific insecticides. Additionally, CRISPR/Cas9 can facilitate the development of population control methods by disrupting vital genes essential for survival. However, challenges such as off-target effects and the efficient delivery of CRISPR/Cas9 components remain. Addressing these obstacles is vital to ensure accurate and reliable results. Furthermore, ethical considerations, biosafety protocols, and regulatory frameworks must be integral to the adoption of this technology. Looking forward, CRISPR/Cas9-based gene drive systems hold the potential to promulgate desirable genetic traits within S. frugiperda populations, offering a sustainable and eco-friendly approach. This could curtail their reproductive capabilities or make them more susceptible to certain interventions. In conclusion, CRISPR/Cas9 presents a transformative platform for precise and targeted pest management in S. frugiperda. By deciphering the insect's genetic makeup and developing innovative strategies, we can mitigate the devastating impact of fall armyworm on agriculture while ensuring environmental sustainability.
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Affiliation(s)
- M N Rudra Gouda
- Division of Entomology, Indian Agricultural Research Institute, New Delhi, 110012, India.
| | - H Jeevan
- Division of Nematology, Indian Agricultural Research Institute, New Delhi, 110012, India
| | - H G Shashank
- Division of Plant Genetic Resources, Indian Agricultural Research Institute, New Delhi, 110012, India
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Zhang C, Tang B, Tan H, Wang X, Dai W. The Orco gene involved in recognition of host plant volatiles and sex pheromone in the chive maggot Bradysia odoriphaga. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 197:105709. [PMID: 38072517 DOI: 10.1016/j.pestbp.2023.105709] [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: 09/12/2023] [Revised: 11/06/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023]
Abstract
The insect olfactory recognition system plays a crucial role in the feeding and reproductive behaviors of insects. The odorant receptor co-receptor (Orco), as an obligatory chaperone, is critical for odorant recognition by way of forming heteromeric complexes with conventional odorant receptors (ORs). To investigate the biological functions of Orco in perceiving host plant volatiles and sex pheromone, the Orco gene was identified from the chive maggot Bradysia odoriphaga transcriptome data. Multiple sequence alignment reveals that BodoOrco exhibits an extremely high sequence identity with Orcos from other dipteran insects. The expression of BodoOrco is significantly higher in adults than in larvae and pupae, and the BodoOrco gene is primarily expressed in the antennae of both sexes. Furthermore, the Y-tube assay indicated that knockdown of BodoOrco leads to significant reductions in B. odoriphaga adults' response to all tested host plant volatiles. The dsOrco-treated unmated male adults show less attraction to unmated females and responded slowly compared with dsGFP control group. These results indicated that BodoOrco is involved in recognition of sex pheromone and host plant volatiles in B. odoriphaga and has the potential to be used as a target for the design of novel active compounds for developing ecofriendly pest control strategies.
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Affiliation(s)
- Chunni Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, and Key Laboratory of Plant Protection Resources and Pest Management of the Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Bowen Tang
- State Key Laboratory of Crop Stress Biology for Arid Areas, and Key Laboratory of Plant Protection Resources and Pest Management of the Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Haoyu Tan
- State Key Laboratory of Crop Stress Biology for Arid Areas, and Key Laboratory of Plant Protection Resources and Pest Management of the Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xinxiang Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, and Key Laboratory of Plant Protection Resources and Pest Management of the Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Wu Dai
- State Key Laboratory of Crop Stress Biology for Arid Areas, and Key Laboratory of Plant Protection Resources and Pest Management of the Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, China
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10
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Misra V, Mall AK, Pandey H, Srivastava S, Sharma A. Advancements and prospects of CRISPR/Cas9 technologies for abiotic and biotic stresses in sugar beet. Front Genet 2023; 14:1235855. [PMID: 38028586 PMCID: PMC10665535 DOI: 10.3389/fgene.2023.1235855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Sugar beet is a crop with high sucrose content, known for sugar production and recently being considered as an emerging raw material for bioethanol production. This crop is also utilized as cattle feed, mainly when animal green fodder is scarce. Bioethanol and hydrogen gas production from this crop is an essential source of clean energy. Environmental stresses (abiotic/biotic) severely affect the productivity of this crop. Over the past few decades, the molecular mechanisms of biotic and abiotic stress responses in sugar beet have been investigated using next-generation sequencing, gene editing/silencing, and over-expression approaches. This information can be efficiently utilized through CRISPR/Cas 9 technology to mitigate the effects of abiotic and biotic stresses in sugar beet cultivation. This review highlights the potential use of CRISPR/Cas 9 technology for abiotic and biotic stress management in sugar beet. Beet genes known to be involved in response to alkaline, cold, and heavy metal stresses can be precisely modified via CRISPR/Cas 9 technology for enhancing sugar beet's resilience to abiotic stresses with minimal off-target effects. Similarly, CRISPR/Cas 9 technology can help generate insect-resistant sugar beet varieties by targeting susceptibility-related genes, whereas incorporating Cry1Ab and Cry1C genes may provide defense against lepidopteron insects. Overall, CRISPR/Cas 9 technology may help enhance sugar beet's adaptability to challenging environments, ensuring sustainable, high-yield production.
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Affiliation(s)
- Varucha Misra
- ICAR-Indian Institute of Sugarcane Research, Lucknow, India
| | - A. K. Mall
- ICAR-Indian Institute of Sugarcane Research, Lucknow, India
| | - Himanshu Pandey
- ICAR-Indian Institute of Sugarcane Research, Lucknow, India
- Khalsa College, Amritsar, India
| | | | - Avinash Sharma
- Faculty of Agricultural Sciences, Arunachal University of Studies, Namsai, India
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Liu P, Guo J, Wei H, Feng L, Gao Z, Zhang T. Genome-wide identification of candidate chemosensory receptors in the bean bug Riptortus pedestris (Hemiptera: Alydidae) and the functional verification of its odorant receptor co-receptor (Orco) in recognizing aggregation pheromone. Front Physiol 2023; 14:1224009. [PMID: 37520822 PMCID: PMC10375722 DOI: 10.3389/fphys.2023.1224009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 07/06/2023] [Indexed: 08/01/2023] Open
Abstract
A sophisticated and sensitive olfactory system plays a vital role in the survival and reproduction of insects. Chemosensory receptors are indispensable for the molecular recognition and discrimination of semiochemicals. Riptortus pedestris is a notorious pest of legume plants, resulting in yield losses and quality decreases in soybeans. It is well accepted that R. pedestris highly relies on its olfactory system in detecting aggregation pheromones, host volatiles, and pesticides; however, little research focused on its chemosensory receptors. In the present study, we identified 237 odorant receptors (ORs), 42 gustatory receptors (GRs), and 31 ionotropic receptors (IRs) from the reported genome of R. pedestris, and analyzed their phylogenetic relationship with other hemipteran species. Through the results of RNA-seq and real-time quantitative PCR (qRT-PCR), we found that RpedORs displayed different expression levels in the antennae of R. pedestris at different development stages. To further verify the function of odorant receptor co-receptor (Orco), an obligate and unique insect OR, we silenced RpedOrco by RNA interference (RNAi) method. The results showed that silencing RpedOrco could significantly impair the response to aggregation pheromone in R. pedestris, indicating that RpedOrco plays an essential role in odorant detection. Our results can provide the theoretical foundations for revealing the olfactory recognition mechanism of R. pedestris and help explore and develop novel olfactory-based agents against this pest.
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Affiliation(s)
- Panjing Liu
- Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China
| | - Jianglong Guo
- Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China
| | - Hongyi Wei
- Institute of Entomology, Jiangxi Agricultural University, Nanchang, China
| | - Likai Feng
- Institute of Plant Protection, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, China
| | - Zhanlin Gao
- Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China
| | - Tao Zhang
- Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China
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12
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Han WK, Tang FX, Gao HL, Wang Y, Yu N, Jiang JJ, Liu ZW. Co-CRISPR: A valuable toolkit for mutation enrichment in the gene editing of Spodoptera frugiperda. INSECT SCIENCE 2023; 30:625-636. [PMID: 36169087 DOI: 10.1111/1744-7917.13122] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/28/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
The CRISPR/Cas9 system has been successfully applied in dozens of diverse species; although the screening of successful CRISPR/Cas9 editing events remains particularly laborious, especially for those that occur at relatively low frequency. Recently, a co-CRISPR strategy was proved to enrich the desired CRISPR events. Here, the co-CRISPR strategy was developed in the Fall armyworm, Spodoptera frugiperda, with kynurenine 3-monooxygenase gene (kmo) as a marker. The kmo mosaics induced by single-guide RNAs (sgRNAs)/Cas9 displayed the darker green color phenotype in larvae, compared with wild type (brown), and mosaic-eye adults were significantly acquired from the mosaic larvae group. In the kmo knockout strain, no significant difference was observed in larval development and adult reproduction. Acetylcholinesterase 2 (ace2) and Wnt1 were selected as target genes to construct the co-CRISPR strategy using kmo marker. By co-injection of kmo and ace2 sgRNAs, the mutant efficiency of ace2 was significantly increased in the kmo mosaic (larvae or adults) groups. Similarly, more malformed pupae with Wnt1 mutations were observed in the darker green larvae group. Taken together, these results demonstrated that kmo was a suitable visible marker gene for the application and extension of co-CRISPR strategy in Fall armyworm. Using darker green color in larvae or mosaic-eye in adults from kmo knockout as a marker, the mutant efficiency of a target gene could be enriched in a Fall armyworm group consisting of marked individuals. The co-CRISPR strategy is helpful for gene function studies by the knockout technique with no or lethal phenotypes.
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Affiliation(s)
- Wei-Kang Han
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Feng-Xian Tang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Hao-Li Gao
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yan Wang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Na Yu
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Jian-Jun Jiang
- Plant Protection Research Institute, Guangxi Academy of Agricultural Science, Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests, Nanning, China
| | - Ze-Wen Liu
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
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13
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Premachandran K, Srinivasan TS. A brief review on oryzacystatin: a potent phytocystatin for crop management. Mol Biol Rep 2023; 50:1799-1807. [PMID: 36471210 DOI: 10.1007/s11033-022-08161-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 11/24/2022] [Indexed: 12/12/2022]
Abstract
Phytocystatins are a type of proteinase inhibitor which are extensively studied for their specific inhibitory action against cysteine protease enzymes (CP) of insects and pathogens. Oryzacystatins (OC), a phytocystatin from rice inhibits CP in a reversible manner with its conserved tripartite wedge. OCs have important role in plant innate defense mechanism through phytohormonal signalling pathways. OC are induced in response to both biotic and abiotic stress conditions and are used to develop transgenic plants exhibiting resistance against stress conditions. In this review, we focus on the structure and mechanism of action of oryzacystatins, their possible role in plant physiology, biotic and abiotic stress tolerance mechanism in plants and their potential application strategies for future crop management studies.
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Affiliation(s)
- Krishnamanikumar Premachandran
- Centre for Climate Change Studies, International Research Centre, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, 600119, India
| | - Thanga Suja Srinivasan
- Centre for Climate Change Studies, International Research Centre, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, 600119, India.
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14
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Carcaud J, Otte M, Grünewald B, Haase A, Sandoz JC, Beye M. Multisite imaging of neural activity using a genetically encoded calcium sensor in the honey bee. PLoS Biol 2023; 21:e3001984. [PMID: 36719927 PMCID: PMC9917304 DOI: 10.1371/journal.pbio.3001984] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 02/10/2023] [Accepted: 01/03/2023] [Indexed: 02/01/2023] Open
Abstract
Understanding of the neural bases for complex behaviors in Hymenoptera insect species has been limited by a lack of tools that allow measuring neuronal activity simultaneously in different brain regions. Here, we developed the first pan-neuronal genetic driver in a Hymenopteran model organism, the honey bee, and expressed the calcium indicator GCaMP6f under the control of the honey bee synapsin promoter. We show that GCaMP6f is widely expressed in the honey bee brain, allowing to record neural activity from multiple brain regions. To assess the power of this tool, we focused on the olfactory system, recording simultaneous responses from the antennal lobe, and from the more poorly investigated lateral horn (LH) and mushroom body (MB) calyces. Neural responses to 16 distinct odorants demonstrate that odorant quality (chemical structure) and quantity are faithfully encoded in the honey bee antennal lobe. In contrast, odor coding in the LH departs from this simple physico-chemical coding, supporting the role of this structure in coding the biological value of odorants. We further demonstrate robust neural responses to several bee pheromone odorants, key drivers of social behavior, in the LH. Combined, these brain recordings represent the first use of a neurogenetic tool for recording large-scale neural activity in a eusocial insect and will be of utility in assessing the neural underpinnings of olfactory and other sensory modalities and of social behaviors and cognitive abilities.
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Affiliation(s)
- Julie Carcaud
- Evolution, Genomes, Behavior and Ecology, Université Paris-Saclay, CNRS, IRD, Gif-sur-Yvette, France
- * E-mail:
| | - Marianne Otte
- Evolutionnary Genetics, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Bernd Grünewald
- Institut für Bienenkunde, Polytechnische Gesellschaft, FB Biowissenschaften, Goethe-University, Frankfurt am Main, Germany
| | - Albrecht Haase
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Rovereto, Italy
- Department of Physics, University of Trento, Trento, Italy
| | - Jean-Christophe Sandoz
- Evolution, Genomes, Behavior and Ecology, Université Paris-Saclay, CNRS, IRD, Gif-sur-Yvette, France
| | - Martin Beye
- Evolutionnary Genetics, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
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15
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Jiang D, Lu X, Zhang L, Tang F. Enhancement of Pathogen Toxicity by Feeding Reticulitermes chinensis Snyder Sonicated Bacteria Expressing Double-Stranded RNA That Interferes with Olfaction. INSECTS 2023; 14:140. [PMID: 36835709 PMCID: PMC9965219 DOI: 10.3390/insects14020140] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/20/2023] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Reticulitermes chinensis Snyder is a serious pest in China, and the odorant receptor co-receptor gene RcOrco plays a crucial role in olfaction. However, the function of RcOrco in the resistance of termites to entomopathogens has not been reported. We constructed dsRcOrco-HT115 engineered bacteria based on the RcOrco sequence from the full-length transcriptome data of R. chinensis. The engineered bacteria expressed dsRNA of RcOrco. Sonication was used to inactivate the dsRNA-HT115 strain and obtain a large amount of dsRcOrco. The dsRcOrco produced using this method overcame the problem that genetically engineered bacteria could not be applied directly and improved its effectiveness against termites. Bioassays using the dsRcOrco generated using this method showed that dsRcOrco significantly increased the toxicity of the bacterial and fungal pathogens to R. chinensis. The present study showed, for the first time, the function of Orco in termite resistance to pathogens, and the results provide a theoretical basis for the development and application of termite RNA biopesticides.
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Affiliation(s)
- Dabao Jiang
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaoyu Lu
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Ling Zhang
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Fang Tang
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
- College of Forestry, Nanjing Forestry University, Nanjing 210037, China
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16
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Ning X, Huang C, Dong C, Jin J, Qiao X, Guo J, Qian W, Cao F, Wan F. RNAi verifications on olfactory defects of an essential biocontrol agent Agasicles hygrophila (Coleoptera: Chrysomelidae) regarding mating and host allocation. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2023.1104962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Alligator weed Alternanthera philoxeroides is a perennial, worldwide pernicious weed. The beetle Agasicles hygrophila is considered to be a classical biological agent used to control A. philoxeroides. In the insect peripheral olfactory system, the odorant receptor co-receptor (ORco) plays an important function in the perception of odors in insects. However, the function of ORco in the mating and host-finding behaviors of A. hygrophila remains unclear. In this study, we characterized the odorant receptor co-receptor of A. hygrophila (AhygOrco). Real-time quantitative PCR (qRT–PCR) showed that AhygOrco was predominantly expressed in the antennae of both male and female adults, and the difference between male and female antennae was not significant. The RNA interference (RNAi) results showed that compared to the control, the injection of AhygOrco dsRNA strongly reduced the expression of AhygOrco by 90% in male beetles and 89% in female beetles. The mate-seeking and feeding behavior of AhygOrco-silenced beetles were significantly inhibited. Male adults were significantly less successful in finding a mate compared to the control group. Furthermore, host allocation abilities toward A. philoxeroides of both adults were significantly repressed. These results indicated that AhygOrco is associated with A. hygrophila feeding and mate-seeking and that inhibition of AhygOrco expression is one of the causes of reduced host and mate recognition in A. hygrophila. Meanwhile, the study provides support for exploring gene functions based on RNAi.
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17
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Sun H, Bu LA, Su SC, Guo D, Gao CF, Wu SF. Knockout of the odorant receptor co-receptor, orco, impairs feeding, mating and egg-laying behavior in the fall armyworm Spodoptera frugiperda. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2023; 152:103889. [PMID: 36493964 DOI: 10.1016/j.ibmb.2022.103889] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
The olfactory transduction system of insects is involved in multiple behavioral processes such as foraging, mating, and egg-laying behavior. In the insect olfactory receptor neurons (ORNs), the odorant receptor co-receptor (Orco) is an obligatory component that is required for dimerization with odorant receptors (ORs) to form a ligand-gated ion channel complex. The ORs/Orco heteromeric complex plays a crucial role in insect olfaction. To explore the function of OR-mediated olfaction in the physiological behavior of the fall armyworm, Spodoptera frugiperda, we applied CRISPR/Cas9 genome editing to mutate its Orco gene and constructed a homozygous mutant strain of Orco (Orco-/-) by genetic crosses. Electroantennogram (EAG) analysis showed that the responses of Orco-/- male moths to two universal sex pheromones, Z9-14: Ac and Z7-12: Ac, were abolished. We found that Orco-/- males cannot successfully mate with female moths. An oviposition preference assay confirmed that Orco-/- female moths had a reduced preference for the optimal host plant maize. A larval feeding assay revealed that the time for Orco-/- larvae to locate the food source was significantly longer than in the wild-type. Overall, in the absence of Orco, the OR-dependent olfactory behavior was impaired in both larval and adult stages. Our results confirm that Orco is essential for multiple behavioral processes related to olfaction in the fall armyworm.
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Affiliation(s)
- Hao Sun
- College of Plant Protection, Nanjing Agricultural University, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Weigang Road 1, Nanjing, 210095, Jiangsu, China
| | - Ling-Ao Bu
- College of Plant Protection, Nanjing Agricultural University, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Weigang Road 1, Nanjing, 210095, Jiangsu, China
| | - Shao-Cong Su
- College of Plant Protection, Nanjing Agricultural University, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Weigang Road 1, Nanjing, 210095, Jiangsu, China
| | - Di Guo
- College of Plant Protection, Nanjing Agricultural University, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Weigang Road 1, Nanjing, 210095, Jiangsu, China
| | - Cong-Fen Gao
- College of Plant Protection, Nanjing Agricultural University, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Weigang Road 1, Nanjing, 210095, Jiangsu, China
| | - Shun-Fan Wu
- College of Plant Protection, Nanjing Agricultural University, State & Local Joint Engineering Research Center of Green Pesticide Invention and Application, Weigang Road 1, Nanjing, 210095, Jiangsu, China.
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18
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CRISPR-Cas Genome Editing for Insect Pest Stress Management in Crop Plants. STRESSES 2022. [DOI: 10.3390/stresses2040034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Global crop yield and food security are being threatened by phytophagous insects. Innovative methods are required to increase agricultural output while reducing reliance on hazardous synthetic insecticides. Using the revolutionary CRISPR-Cas technology to develop insect-resistant plants appears to be highly efficient at lowering production costs and increasing farm profitability. The genomes of both a model insect, Drosophila melanogaster, and major phytophagous insect genera, viz. Spodoptera, Helicoverpa, Nilaparvata, Locusta, Tribolium, Agrotis, etc., were successfully edited by the CRISPR-Cas toolkits. This new method, however, has the ability to alter an insect’s DNA in order to either induce a gene drive or overcome an insect’s tolerance to certain insecticides. The rapid progress in the methodologies of CRISPR technology and their diverse applications show a high promise in the development of insect-resistant plant varieties or other strategies for the sustainable management of insect pests to ensure food security. This paper reviewed and critically discussed the use of CRISPR-Cas genome-editing technology in long-term insect pest management. The emphasis of this review was on the prospective uses of the CRISPR-Cas system for insect stress management in crop production through the creation of genome-edited crop plants or insects. The potential and the difficulties of using CRISPR-Cas technology to reduce pest stress in crop plants were critically examined and discussed.
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Wani SH, Choudhary M, Barmukh R, Bagaria PK, Samantara K, Razzaq A, Jaba J, Ba MN, Varshney RK. Molecular mechanisms, genetic mapping, and genome editing for insect pest resistance in field crops. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2022; 135:3875-3895. [PMID: 35267056 PMCID: PMC9729161 DOI: 10.1007/s00122-022-04060-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 02/11/2022] [Indexed: 05/03/2023]
Abstract
Improving crop resistance against insect pests is crucial for ensuring future food security. Integrating genomics with modern breeding methods holds enormous potential in dissecting the genetic architecture of this complex trait and accelerating crop improvement. Insect resistance in crops has been a major research objective in several crop improvement programs. However, the use of conventional breeding methods to develop high-yielding cultivars with sustainable and durable insect pest resistance has been largely unsuccessful. The use of molecular markers for identification and deployment of insect resistance quantitative trait loci (QTLs) can fastrack traditional breeding methods. Till date, several QTLs for insect pest resistance have been identified in field-grown crops, and a few of them have been cloned by positional cloning approaches. Genome editing technologies, such as CRISPR/Cas9, are paving the way to tailor insect pest resistance loci for designing crops for the future. Here, we provide an overview of diverse defense mechanisms exerted by plants in response to insect pest attack, and review recent advances in genomics research and genetic improvements for insect pest resistance in major field crops. Finally, we discuss the scope for genomic breeding strategies to develop more durable insect pest resistant crops.
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Affiliation(s)
- Shabir H Wani
- Mountain Research Center for Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Khudwani, J&K, 192101, India.
| | - Mukesh Choudhary
- ICAR-Indian Institute of Maize Research (ICAR-IIMR), PAU Campus, Ludhiana, Punjab, 141001, India
| | - Rutwik Barmukh
- Center of Excellence in Genomics and Systems Biology (CEGSB), International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, 502324, India
| | - Pravin K Bagaria
- ICAR-Indian Institute of Maize Research (ICAR-IIMR), PAU Campus, Ludhiana, Punjab, 141001, India
| | - Kajal Samantara
- Department of Genetics and Plant Breeding, Centurion University of Technology and Management, Paralakhemundi, Odisha, 761211, India
| | - Ali Razzaq
- Centre of Agricultural Biochemistry and Biotechnology, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Jagdish Jaba
- Intergated Crop Management, International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, 502324, India
| | - Malick Niango Ba
- International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), BP 12404, Niamey, Niger
| | - Rajeev K Varshney
- Center of Excellence in Genomics and Systems Biology (CEGSB), International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, 502324, India.
- State Agricultural Biotechnology Centre, Centre for Crop and Food Innovation, Food Futures Institute, Murdoch University, Murdoch, WA, 6150, Australia.
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20
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Ha TS, Smith DP. Recent Insights into Insect Olfactory Receptors and Odorant-Binding Proteins. INSECTS 2022; 13:insects13100926. [PMID: 36292874 PMCID: PMC9604063 DOI: 10.3390/insects13100926] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 05/20/2023]
Abstract
Human and insect olfaction share many general features, but insects differ from mammalian systems in important ways. Mammalian olfactory neurons share the same overlying fluid layer in the nose, and neuronal tuning entirely depends upon receptor specificity. In insects, the olfactory neurons are anatomically segregated into sensilla, and small clusters of olfactory neurons dendrites share extracellular fluid that can be independently regulated in different sensilla. Small extracellular proteins called odorant-binding proteins are differentially secreted into this sensillum lymph fluid where they have been shown to confer sensitivity to specific odorants, and they can also affect the kinetics of the olfactory neuron responses. Insect olfactory receptors are not G-protein-coupled receptors, such as vertebrate olfactory receptors, but are ligand-gated ion channels opened by direct interactions with odorant molecules. Recently, several examples of insect olfactory neurons expressing multiple receptors have been identified, indicating that the mechanisms for neuronal tuning may be broader in insects than mammals. Finally, recent advances in genome editing are finding applications in many species, including agricultural pests and human disease vectors.
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Affiliation(s)
- Tal Soo Ha
- Department of Biomedical Science, College of Natural Science, Daegu University, Gyeongsan 38453, Gyeongsangbuk-do, Korea
| | - Dean P. Smith
- Departments of Pharmacology and Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Correspondence:
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21
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Karmakar S, Das P, Panda D, Xie K, Baig MJ, Molla KA. A detailed landscape of CRISPR-Cas-mediated plant disease and pest management. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 323:111376. [PMID: 35835393 DOI: 10.1016/j.plantsci.2022.111376] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
Genome editing technology has rapidly evolved to knock-out genes, create targeted genetic variation, install precise insertion/deletion and single nucleotide changes, and perform large-scale alteration. The flexible and multipurpose editing technologies have started playing a substantial role in the field of plant disease management. CRISPR-Cas has reduced many limitations of earlier technologies and emerged as a versatile toolbox for genome manipulation. This review summarizes the phenomenal progress of the use of the CRISPR toolkit in the field of plant pathology. CRISPR-Cas toolbox aids in the basic studies on host-pathogen interaction, in identifying virulence genes in pathogens, deciphering resistance and susceptibility factors in host plants, and engineering host genome for developing resistance. We extensively reviewed the successful genome editing applications for host plant resistance against a wide range of biotic factors, including viruses, fungi, oomycetes, bacteria, nematodes, insect pests, and parasitic plants. Recent use of CRISPR-Cas gene drive to suppress the population of pathogens and pests has also been discussed. Furthermore, we highlight exciting new uses of the CRISPR-Cas system as diagnostic tools, which rapidly detect pathogenic microorganism. This comprehensive yet concise review discusses innumerable strategies to reduce the burden of crop protection.
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Affiliation(s)
| | - Priya Das
- ICAR-National Rice Research Institute, Cuttack 753006, India
| | - Debasmita Panda
- ICAR-National Rice Research Institute, Cuttack 753006, India
| | - Kabin Xie
- National Key Laboratory of Crop Genetic Improvement and Hubei Key Laboratory of Plant Pathology, Huazhong Agricultural University, Wuhan 430070, China
| | - Mirza J Baig
- ICAR-National Rice Research Institute, Cuttack 753006, India.
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Xu L, Jiang HB, Tang KY, Yan Y, Schetelig MF, Wang JJ. CRISPR-mediated mutagenesis of the odorant receptor co-receptor (Orco) gene disrupts olfaction-mediated behaviors in Bactrocera dorsalis. INSECT SCIENCE 2022; 29:1275-1286. [PMID: 34986270 DOI: 10.1111/1744-7917.12997] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/27/2021] [Accepted: 12/01/2021] [Indexed: 05/14/2023]
Abstract
Olfaction plays an essential role in insect behavior such as host location, foraging, mating, and oviposition. The odorant receptor co-receptor (Orco) is an obligatory odorant receptor and indispensable in odor perception. Here, we characterized the Orco gene from the oriental fruit fly, Bactrocera dorsalis (Hendel), a notorious agriculture pest. The olfactory deficiency mutants were generated by editing the BdorOrco gene using the CRISPR/Cas9 system. Electroantennograms (EAG) and olfactory preference assays confirmed that BdorOrco-/- mutant flies had reduced perception of methyl eugenol, β-caryophyllene, and ethyl acetate. Oviposition bioassays showed that the eggs laid by BdorOrco-/- females mediated by benzothiazole and 1-octen-3-ol were significantly decreased. In addition, BdorOrco-/- mutant flies took a significantly longer time to locate the food source compared with wild type (WT) flies. Altogether, our data indicated that Orco is essential for multiple physiological processes in B. dorsalis, and it expands our understanding of the function of insect Orco.
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Affiliation(s)
- Li Xu
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing, China
- International Joint Laboratory of China-Belgium on Sustainable Crop Pest Control, Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Hong-Bo Jiang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing, China
- International Joint Laboratory of China-Belgium on Sustainable Crop Pest Control, Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Kai-Yue Tang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing, China
- International Joint Laboratory of China-Belgium on Sustainable Crop Pest Control, Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Ying Yan
- Department of Insect Biotechnology in Plant Protection, Justus-Liebig-University Giessen, Institute for Insect Biotechnology, Giessen, Germany
| | - Marc F Schetelig
- Department of Insect Biotechnology in Plant Protection, Justus-Liebig-University Giessen, Institute for Insect Biotechnology, Giessen, Germany
| | - Jin-Jun Wang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing, China
- International Joint Laboratory of China-Belgium on Sustainable Crop Pest Control, Academy of Agricultural Sciences, Southwest University, Chongqing, China
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Fan XB, Mo BT, Li GC, Huang LQ, Guo H, Gong XL, Wang CZ. Mutagenesis of the odorant receptor co-receptor (Orco) reveals severe olfactory defects in the crop pest moth Helicoverpa armigera. BMC Biol 2022; 20:214. [PMID: 36175945 PMCID: PMC9524114 DOI: 10.1186/s12915-022-01411-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 09/16/2022] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Odorant receptors (ORs) as odorant-gated ion channels play a crucial role in insect olfaction. They are formed by a heteromultimeric complex of the odorant receptor co-receptor (Orco) and a ligand-selective Or. Other types of olfactory receptor proteins, such as ionotropic receptors (IRs) and some gustatory receptors (GRs), are also involved in the olfactory system of insects. Orco as an obligatory subunit of ORs is highly conserved, providing an opportunity to systematically evaluate OR-dependent olfactory responses. RESULTS Herein, we successfully established a homozygous mutant (Orco-/-) of Helicoverpa armigera, a notorious crop pest, using the CRISPR/Cas9 gene editing technique. We then compared the olfactory response characteristics of wild type (WT) and Orco-/- adults and larvae. Orco-/- males were infertile, while Orco-/- females were fertile. The lifespan of Orco-/- females was longer than that of WT females. The expressions of most Ors, Irs, and other olfaction-related genes in adult antennae of Orco-/- moths were not obviously affected, but some of them were up- or down-regulated. In addition, there was no change in the neuroanatomical phenotype of Orco-/- moths at the level of the antennal lobe (including the macroglomerular complex region of the male). Using EAG and SSR techniques, we discovered that electrophysiological responses of Orco-/- moths to sex pheromone components and many host plant odorants were absent. The upwind flight behaviors toward sex pheromones of Orco-/- males were severely reduced in a wind tunnel experiment. The oviposition selectivity of Orco-/- females to the host plant (green pepper) has completely disappeared, and the chemotaxis toward green pepper was also lost in Orco-/- larvae. CONCLUSIONS Our study indicates that OR-mediated olfaction is essential for pheromone communication, oviposition selection, and larval chemotaxis of H. armigera, suggesting a strategy in which mate searching and host-seeking behaviors of moth pests could be disrupted by inhibiting or silencing Orco expression.
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Affiliation(s)
- Xiao-Bin Fan
- grid.9227.e0000000119573309State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101 People’s Republic of China ,grid.410726.60000 0004 1797 8419CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Bao-Tong Mo
- grid.9227.e0000000119573309State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101 People’s Republic of China ,grid.410726.60000 0004 1797 8419CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Guo-Cheng Li
- grid.9227.e0000000119573309State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101 People’s Republic of China ,grid.410726.60000 0004 1797 8419CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Ling-Qiao Huang
- grid.9227.e0000000119573309State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101 People’s Republic of China
| | - Hao Guo
- grid.9227.e0000000119573309State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101 People’s Republic of China ,grid.410726.60000 0004 1797 8419CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Xin-Lin Gong
- grid.9227.e0000000119573309State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101 People’s Republic of China ,grid.410726.60000 0004 1797 8419CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Chen-Zhu Wang
- grid.9227.e0000000119573309State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101 People’s Republic of China ,grid.410726.60000 0004 1797 8419CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
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Lizana P, Mutis A, Quiroz A, Venthur H. Insights Into Chemosensory Proteins From Non-Model Insects: Advances and Perspectives in the Context of Pest Management. Front Physiol 2022; 13:924750. [PMID: 36072856 PMCID: PMC9441497 DOI: 10.3389/fphys.2022.924750] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 06/13/2022] [Indexed: 12/04/2022] Open
Abstract
Nowadays, insect chemosensation represents a key aspect of integrated pest management in the Anthropocene epoch. Olfaction-related proteins have been the focus of studies due to their function in vital processes, such ashost finding and reproduction behavior. Hence, most research has been based on the study of model insects, namely Drosophila melanogaster, Bombyx mori or Tribolium castaneum. Over the passage of time and the advance of new molecular techniques, insects considered non-models have been studied, contributing greatly to the knowledge of insect olfactory systems and enhanced pest control methods. In this review, a reference point for non-model insects is proposed and the concept of model and non-model insects is discussed. Likewise, it summarizes and discusses the progress and contribution in the olfaction field of both model and non-model insects considered pests in agriculture.
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Affiliation(s)
- Paula Lizana
- Programa de Doctorado en Ciencias de Recursos Naturales, Universidad de La Frontera, Temuco, Chile
- Laboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
| | - Ana Mutis
- Laboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
| | - Andrés Quiroz
- Laboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
| | - Herbert Venthur
- Laboratorio de Química Ecológica, Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
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Hu J, Wang XY, Tan LS, Lu W, Zheng XL. Identification of Chemosensory Genes, Including Candidate Pheromone Receptors, in Phauda flammans (Walker) (Lepidoptera: Phaudidae) Through Transcriptomic Analyses. Front Physiol 2022; 13:907694. [PMID: 35846004 PMCID: PMC9283972 DOI: 10.3389/fphys.2022.907694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/24/2022] [Indexed: 11/13/2022] Open
Abstract
Olfactory and gustatory systems play an irreplaceable role in all cycles of growth of insects, such as host location, mating, and oviposition. Many chemosensory genes in many nocturnal moths have been identified via omics technology, but knowledge of these genes in diurnal moths is lacking. In our recent studies, we reported two sex pheromone compounds and three host plant volatiles that play a vital role in attracting the diurnal moth, Phauda flammans. The antennal full-length transcriptome sequence of P. flammans was obtained using the Pacbio sequencing to further explore the process of sex pheromone and host plant volatile recognition in P. flammans. Transcriptome analysis identified 166 candidate olfactory and gustatory genes, including 58 odorant-binding proteins (OBPs), 19 chemosensory proteins (CSPs), 59 olfactory receptors (ORs), 16 ionotropic receptors (IRs), 14 gustatory receptors (GRs), and 2 sensory neuron membrane proteins (SNMPs). Subsequently, a phylogenetic tree was established using P. flammans and other lepidopteran species to investigate orthologs. Among the 17 candidate pheromone receptor (PR) genes, the expression levels of PflaOR21, PflaOR25, PflaOR35, PflaOR40, PflaOR41, PflaOR42, PflaOR44, PflaOR49, PflaOR51, PflaOR61, and PflaOR63 in the antennae were significantly higher than those in other non-antennae tissues. Among these PR genes, PflaOR21, PflaOR27, PflaOR29, PflaOR35, PflaOR37, PflaOR40, PflaOR42, PflaOR44, PflaOR60, and PflaOR62 showed male-biased expression, whereas PflaOR49, PflaOR61, and PflaOR63 revealed female-biased expression. The functions of related OR genes were also discussed. This research filled the gap of the chemosensory genes of P. flammans and provided basic data for future functional molecular mechanisms studies on P. flammans olfaction.
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26
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Kumari P, Jasrotia P, Kumar D, Kashyap PL, Kumar S, Mishra CN, Kumar S, Singh GP. Biotechnological Approaches for Host Plant Resistance to Insect Pests. Front Genet 2022; 13:914029. [PMID: 35719377 PMCID: PMC9201757 DOI: 10.3389/fgene.2022.914029] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/16/2022] [Indexed: 11/14/2022] Open
Abstract
Annually, the cost of insect pest control in agriculture crosses billions of dollars around the world. Until recently, broad-spectrum synthetic pesticides were considered as the most effective means of pest control in agriculture. However, over the years, the overreliance on pesticides has caused adverse effects on beneficial insects, human health and the environment, and has led to the development of pesticide resistant insects. There is a critical need for the development of alternative pest management strategies aiming for minimum use of pesticides and conservation of natural enemies for maintaining the ecological balance of the environment. Host plant resistance plays a vital role in integrated pest management but the development of insect-resistant varieties through conventional ways of host plant resistance takes time, and is challenging as it involves many quantitative traits positioned at various loci. Biotechnological approaches such as gene editing, gene transformation, marker-assisted selection etc. in this direction have recently opened up a new era of insect control options. These could contribute towards about exploring a much wider array of novel insecticidal genes that would otherwise be beyond the scope of conventional breeding. Biotechnological interventions can alter the gene expression level and pattern as well as the development of transgenic varieties with insecticidal genes and can improve pest management by providing access to novel molecules. This review will discuss the emerging biotechnological tools available to develop insect-resistant engineered crop genotypes with a better ability to resist the attack of insect pests.
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Affiliation(s)
- Pritam Kumari
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
- CCS Haryana Agricultural University, Hisar, India
| | - Poonam Jasrotia
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - Deepak Kumar
- CCS Haryana Agricultural University, Hisar, India
| | - Prem Lal Kashyap
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - Satish Kumar
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | | | - Sudheer Kumar
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
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27
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Pandey A, Yadav R, Sanyal I. Evaluating the pesticidal impact of plant protease inhibitors: lethal weaponry in the co-evolutionary battle. PEST MANAGEMENT SCIENCE 2022; 78:855-868. [PMID: 34570437 DOI: 10.1002/ps.6659] [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: 07/02/2021] [Revised: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 06/13/2023]
Abstract
In the arsenal of plant defense, protease inhibitors (PIs) are well-designed defensive products to counter field pests. PIs are produced in plant tissues by means of 'stable defense metabolite' and triggered on demand as the perception of the signal and well established as a part of plant active defense. PIs have been utilized for approximately four decades, initially as a gene-alone approach that was later replaced by multiple gene pyramiding/gene stacking due to insect adaptability towards the PI alone. By considering the adaptive responses of the pest to the single insecticidal gene, the concept of gene pyramiding gained continuous appreciation for the development of transgenic crops to deal with co-evolving pests. Gene pyramiding approaches are executed to bypass the insect's adaptive responses against PIs. Stacking PIs with additional insecticidal proteins, plastid engineering, recombinant proteinase inhibitors, RNAi-based methods and CRISPR/Cas9-mediated genome editing are the advanced tools and methods for next-generation pest management. Undoubtedly, the domain associated with the mechanism of PIs in the course of plant-pest interactions will occupy a central role for the advancement of more efficient and sustainable pest control strategies. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Ankesh Pandey
- CSIR-National Botanical Research Institute, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Reena Yadav
- CSIR-National Botanical Research Institute, Lucknow, India
- Department of Biotechnology, Kumaun University, Nainital, India
| | - Indraneel Sanyal
- CSIR-National Botanical Research Institute, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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28
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Koutroumpa F, Monsempès C, Anton S, François MC, Montagné N, Jacquin-Joly E. Pheromone Receptor Knock-Out Affects Pheromone Detection and Brain Structure in a Moth. Biomolecules 2022; 12:341. [PMID: 35327533 PMCID: PMC8945201 DOI: 10.3390/biom12030341] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/17/2022] [Accepted: 02/20/2022] [Indexed: 02/05/2023] Open
Abstract
Sex pheromone receptors are crucial in insects for mate finding and contribute to species premating isolation. Many pheromone receptors have been functionally characterized, especially in moths, but loss of function studies are rare. Notably, the potential role of pheromone receptors in the development of the macroglomeruli in the antennal lobe (the brain structures processing pheromone signals) is not known. Here, we used CRISPR-Cas9 to knock-out the receptor for the major component of the sex pheromone of the noctuid moth Spodoptera littoralis, and investigated the resulting effects on electrophysiological responses of peripheral pheromone-sensitive neurons and on the structure of the macroglomeruli. We show that the inactivation of the receptor specifically affected the responses of the corresponding antennal neurons did not impact the number of macroglomeruli in the antennal lobe but reduced the size of the macroglomerulus processing input from neurons tuned to the main pheromone component. We suggest that this mutant neuroanatomical phenotype results from a lack of neuronal activity due to the absence of the pheromone receptor and potentially reduced neural connectivity between peripheral and antennal lobe neurons. This is the first evidence of the role of a moth pheromone receptor in macroglomerulus development and extends our knowledge of the different functions odorant receptors can have in insect neurodevelopment.
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Affiliation(s)
- Fotini Koutroumpa
- Institute of Ecology and Environmental Sciences of Paris, INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université de Paris, 78000 Versailles, France; (F.K.); (C.M.); (M.-C.F.); (N.M.)
- INRAE, Université de Tours, ISP, 37380 Nouzilly, France
| | - Christelle Monsempès
- Institute of Ecology and Environmental Sciences of Paris, INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université de Paris, 78000 Versailles, France; (F.K.); (C.M.); (M.-C.F.); (N.M.)
| | - Sylvia Anton
- Institute for Genetics, Environment and Plant Protection, INRAE, Institut Agro, Université Rennes 1, 49045 Angers, France;
| | - Marie-Christine François
- Institute of Ecology and Environmental Sciences of Paris, INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université de Paris, 78000 Versailles, France; (F.K.); (C.M.); (M.-C.F.); (N.M.)
| | - Nicolas Montagné
- Institute of Ecology and Environmental Sciences of Paris, INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université de Paris, 78000 Versailles, France; (F.K.); (C.M.); (M.-C.F.); (N.M.)
| | - Emmanuelle Jacquin-Joly
- Institute of Ecology and Environmental Sciences of Paris, INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université de Paris, 78000 Versailles, France; (F.K.); (C.M.); (M.-C.F.); (N.M.)
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Li R, Meng Q, Qi J, Hu L, Huang J, Zhang Y, Yang J, Sun J. Microinjection-based CRISPR/Cas9 mutagenesis in the decapoda crustaceans, Neocaridina heteropoda and Eriocheir sinensis. J Exp Biol 2022; 225:274276. [DOI: 10.1242/jeb.243702] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/31/2022] [Indexed: 11/20/2022]
Abstract
CRISPR/Cas9 technology has been applied to many arthropods. However, application of this technology to crustaceans remains limited due to the unique characteristics of embryos. Our group has developed a microinjection system to introduce the CRISPR/Cas9 system into Neocaridina heteropoda embryos (one-cell stage). Using the developed method, we mutated the target gene Nh-scarlet (N. heteropoda scarlet), which functions in eye development and pigmentation. The results showed that both eye color and shape were altered in individuals in which Nh-scarlet was knocked out. Furthermore, this system was also successfully applied to another decapod crustacean, Eriocheir sinensis. DNA sequencing revealed that the zoeae with red eyes had an edited version of Es-scarlet. This study provides a stable microinjection method for freshwater crustaceans, and will contribute to functional genomics studies in various decapods.
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Affiliation(s)
- Ran Li
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Qinghao Meng
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Jiachen Qi
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Lezhen Hu
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Jinwei Huang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Yichen Zhang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Jiale Yang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
| | - Jinsheng Sun
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Science, Tianjin Normal University, Tianjin 300387, People's Republic of China
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Han WK, Yang YL, Si YX, Wei ZQ, Liu SR, Liu XL, Yan Q, Dong SL. Involvement of GOBP2 in the perception of a sex pheromone component in both larval and adult Spodoptera litura revealed using CRISPR/Cas9 mutagenesis. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2022; 141:103719. [PMID: 34999200 DOI: 10.1016/j.ibmb.2022.103719] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 01/01/2022] [Accepted: 01/02/2022] [Indexed: 05/14/2023]
Abstract
General odorant-binding proteins (GOBPs) are long considered responsible for the perception of plant odorants. In this study with the important noctuid pest Spodoptera litura, we functionally characterized that GOBP2 is also involved in the perception of sex pheromone components using in vivo CRISPR/Cas9 technique. First, the GOBP2 sgRNA and Cas9 protein were injected into the newly laid insect eggs, resulting in a 35.6% target mutagenesis in G0 moths. Then, the homozygous GOBP2 knockout strain (GOBP2-/-) was obtained after the screening of three generations. The knockout male and female moths displayed a significant reduction in EAG responses to the sex pheromone components, and the knockout females also displayed a significant reduction to plant odorants. In the behavioral assay of food choice, GOBP2-/- larvae lost the preference to artificial diet added with the major sex pheromone component Z9, E11-tetradecadienyl acetate (Z9, E11-14:Ac), whereas the WT larvae highly preferred the pheromone diet. Y-tube olfactometer assay and direct pheromone stimulation assay showed that GOBP2-/- male adults reduced significantly than WT males in percentages of choice, hair pencil displaying and mating attempt to Z9, E11-14:Ac. In the oviposition test, GOBP2-/- females showed significantly reduced preference for the soybean plants compared to the WT females. Our study demonstrated that GOBP2 plays an important role in perceiving sex pheromones in adult and larval stages, providing new insight into sex pheromone perception and a potential target for sex pheromone-based behavioral regulation in the pest.
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Affiliation(s)
- Wei-Kang Han
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China
| | - Yi-Lin Yang
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China
| | - Yu-Xiao Si
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China
| | - Zhi-Qiang Wei
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China
| | - Si-Ruo Liu
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China
| | - Xiao-Long Liu
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China
| | - Qi Yan
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China
| | - Shuang-Lin Dong
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China.
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Zhu GH, Albishi NM, Chen X, Brown RL, Palli SR. Expanding the Toolkit for Genome Editing in a Disease Vector, Aedes aegypti: Transgenic Lines Expressing Cas9 and Single Guide RNA Induce Efficient Mutagenesis. CRISPR J 2021; 4:846-853. [PMID: 33450159 PMCID: PMC8742270 DOI: 10.1089/crispr.2020.0052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
CRISPR-Cas9 mediated genome editing methods are being used for the analysis of gene function. However, it is hard to identify gene knockout mutants for genes whose knockout does not cause distinct phenotypes. To overcome this issue in the disease vector, Aedes aegypti, a transgenic Cas9/single guide RNA (sgRNA) method, was used to knock out the eye marker gene, kynurenine 3-monooxygenase (kmo), and the juvenile hormone receptor, Methoprene-tolerant (Met). PiggyBac transformation vectors were prepared to express sgRNAs targeting kmo and Met under the control of the U6 promoter. Transgenic Ae. aegypti expressing kmo-sgRNA or Met-sgRNA under the control of the U6 promoter and enhanced green fluorescent protein (eGFP) under the control of the hr5ie1 promoter were produced. The U6-sgRNA adults were mated with AAEL010097-Cas9 adults. The progeny were screened, and the insects expressing eGFP and DsRed were selected and evaluated for mutations in target genes. About 77% and 78% of the progeny that were positive for both eGFP and DsRed in kmo-sgRNA and Met-sgRNA groups, respectively, showed mutations in their target genes.
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Affiliation(s)
- Guan-Heng Zhu
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, Lexington, Kentucky, USA
| | - Najla M. Albishi
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, Lexington, Kentucky, USA
| | - Xien Chen
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, Lexington, Kentucky, USA
| | - Rachel L. Brown
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, Lexington, Kentucky, USA
| | - Subba Reddy Palli
- Department of Entomology, College of Agriculture, Food and Environment, University of Kentucky, Lexington, Kentucky, USA
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Li JJ, Shi Y, Wu JN, Li H, Smagghe G, Liu TX. CRISPR/Cas9 in lepidopteran insects: Progress, application and prospects. JOURNAL OF INSECT PHYSIOLOGY 2021; 135:104325. [PMID: 34743972 DOI: 10.1016/j.jinsphys.2021.104325] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/26/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
Clustered regularly spaced short palindrome repeats (CRISPR) structure family forms the acquired immune system in bacteria and archaea. Recent advances in CRISPR/Cas genome editing as derived from prokaryotes, confirmed the characteristics of robustness, high target specificity and programmability, and also revolutionized the insect sciences field. The successful application of CRISPR in a wide variety of lepidopteran insects, with a high genetic diversity, provided opportunities to explore gene functions, insect modification and pest control. In this review, we present a detailed overview on the recent progress of CRISPR in lepidopteran insects, and described the basic principles of the system and its application. Major interest is on wing development, pigmentation, mating, reproduction, sex determination, metamorphosis, resistance and silkworm breeding innovation. Finally, we outlined the limitations of CRISPR/Cas system and discussed its application prospects in lepidopteran insects.
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Affiliation(s)
- Jiang-Jie Li
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China; Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Yan Shi
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China; Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
| | - Ji-Nan Wu
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China
| | - Hao Li
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China
| | - Guy Smagghe
- Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
| | - Tong-Xian Liu
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China.
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Revadi SV, Giannuzzi VA, Rossi V, Hunger GM, Conchou L, Rondoni G, Conti E, Anderson P, Walker WB, Jacquin-Joly E, Koutroumpa F, Becher PG. Stage-specific expression of an odorant receptor underlies olfactory behavioral plasticity in Spodoptera littoralis larvae. BMC Biol 2021; 19:231. [PMID: 34706739 PMCID: PMC8555055 DOI: 10.1186/s12915-021-01159-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 09/27/2021] [Indexed: 11/21/2022] Open
Abstract
Background The detection of environmental cues and signals via the sensory system directs behavioral choices in diverse organisms. Insect larvae rely on input from the chemosensory system, mainly olfaction, for locating food sources. In several lepidopteran species, foraging behavior and food preferences change across larval instars; however, the molecular mechanisms underlying such behavioral plasticity during larval development are not fully understood. Here, we hypothesize that expression patterns of odorant receptors (ORs) change during development, as a possible mechanism influencing instar-specific olfactory-guided behavior and food preferences. Results We investigated the expression patterns of ORs in larvae of the cotton leafworm Spodoptera littoralis between the first and fourth instar and revealed that some of the ORs show instar-specific expression. We functionally characterized one OR expressed in the first instar, SlitOR40, as responding to the plant volatile, β-caryophyllene and its isomer α-humulene. In agreement with the proposed hypothesis, we showed that first but not fourth instar larvae responded behaviorally to β-caryophyllene and α-humulene. Moreover, knocking out this odorant receptor via CRISPR-Cas9, we confirmed that instar-specific responses towards its cognate ligands rely on the expression of SlitOR40. Conclusion Our results provide evidence that larvae of S. littoralis change their peripheral olfactory system during development. Furthermore, our data demonstrate an unprecedented instar-specific behavioral plasticity mediated by an OR, and knocking out this OR disrupts larval behavioral plasticity. The ecological relevance of such behavioral plasticity for S. littoralis remains to be elucidated, but our results demonstrate an olfactory mechanism underlying this plasticity in foraging behavior during larval development. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-021-01159-1.
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Affiliation(s)
- Santosh V Revadi
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Box 190, 23422, Lomma, Sweden. .,INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Department of Sensory Ecology, Route de Saint-Cyr, 78026, Versailles Cedex, France.
| | - Vito Antonio Giannuzzi
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Box 190, 23422, Lomma, Sweden.,Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121, Perugia, Italy
| | - Valeria Rossi
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Box 190, 23422, Lomma, Sweden.,Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121, Perugia, Italy
| | - Gert Martin Hunger
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Box 190, 23422, Lomma, Sweden
| | - Lucie Conchou
- AGRIODOR, 6 rue Pierre Joseph Colin, 35000, Rennes, France
| | - Gabriele Rondoni
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121, Perugia, Italy
| | - Eric Conti
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121, Perugia, Italy
| | - Peter Anderson
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Box 190, 23422, Lomma, Sweden
| | - William B Walker
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Box 190, 23422, Lomma, Sweden.,United States Department of Agriculture - Agricultural Research Service, Temperate Tree Fruit and Vegetable Research Unit, 5230 Konnowac Pass Road, Wapato, WA, 98951, USA
| | - Emmanuelle Jacquin-Joly
- INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Department of Sensory Ecology, Route de Saint-Cyr, 78026, Versailles Cedex, France
| | - Fotini Koutroumpa
- INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Department of Sensory Ecology, Route de Saint-Cyr, 78026, Versailles Cedex, France
| | - Paul G Becher
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Box 190, 23422, Lomma, Sweden
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Wang Y, Huang Y, Xu X, Liu Z, Li J, Zhan X, Yang G, You M, You S. CRISPR/Cas9-based functional analysis of yellow gene in the diamondback moth, Plutella xylostella. INSECT SCIENCE 2021; 28:1504-1509. [PMID: 32893952 PMCID: PMC8518405 DOI: 10.1111/1744-7917.12870] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/27/2020] [Accepted: 08/18/2020] [Indexed: 05/17/2023]
Abstract
The diamondback moth, Plutella xylostella (L.), is an economically important pest of cruciferous crops worldwide. This pest is notorious for rapid evolution of the resistance to different classes of insecticides, making it increasingly difficult to control. Genetics-based control approaches, through manipulation of target genes, have been reported as promising supplements or alternatives to traditional methods of pest management. Here we identified a gene of pigmentation (yellow) in P. xylostella, Pxyellow, which encodes 1674 bp complementary DNA sequence with four exons and three introns. Using the clustered regularly interspersed palindromic repeats (CRISPR)/CRISPR-associated protein 9 system, we knocked out Pxyellow, targeting two sites in Exon III, to generate 272 chimeric mutants (57% of the CRISPR-treated individuals) with color-changed phenotypes of the 1st to 3rd instar larvae, pupae, and adults, indicating that Pxyellow plays an essential role in the body pigmentation of P. xylostella. Fitness analysis revealed no significant difference in the oviposition of adults, the hatchability of eggs, and the weight of pupae between homozygous mutants and wildtypes, suggesting that Pxyellow is not directly involved in regulation of growth, development, or reproduction. This work advances our understanding of the genetic and insect science molecular basis for body pigmentation of P. xylostella, and opens a wide avenue for development of the genetically based pest control techniques using Pxyellow as a screening marker.
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Affiliation(s)
- Yajun Wang
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
| | - Yuping Huang
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Department of Physiology & NeurobiologyUniversity of ConnecticutStorrsCT06269USA
| | - Xuejiao Xu
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
| | - Zhaoxia Liu
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
| | - Jianyu Li
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
- Fujian Key Laboratory for Monitoring and Integrated Management of Crop PestsInstitute of Plant ProtectionFujian Academy of Agricultural SciencesFuzhou350013China
| | - Xue Zhan
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
| | - Guang Yang
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
| | - Minsheng You
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
| | - Shijun You
- State Key Laboratory of Ecological Pest Control for Fujian‐Taiwan CropsInstitute of Applied EcologyFujian Agriculture and Forestry UniversityFuzhou350002China
- Joint International Research Laboratory of Ecological Pest ControlMinistry of EducationFuzhou350002China
- Key Laboratory of Integrated Pest Management for Fujian‐Taiwan CropsMinistry of AgricultureFuzhou350002China
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Chen XL, Li BL, Chen YX, Li GW, Wu JX. Functional analysis of the odorant receptor coreceptor in odor detection in Grapholita molesta (lepidoptera: Tortricidae). ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2021; 108:e21837. [PMID: 34293199 DOI: 10.1002/arch.21837] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/28/2021] [Accepted: 07/02/2021] [Indexed: 06/13/2023]
Abstract
The olfactory system must detect and discriminate various semiochemicals in the environment. In response to such diversity, insects have evolved a family of odorant-gated ion channels composed of a common receptor (coreceptor, Orco) and a ligand-binding tuning odorant receptor (OR) that confers odour specificity. This study aims to examine the expression pattern of Orco gene of Grapholita molesta (GmolOrco) and to elucidate the role of GmolOrco in detecting G. molesta sex pheromone and green leaf volatiles by using gene silencing via RNA interference (RNAi) coupled antennal electrophysiological (EAG). Multiple sequence alignment showed that GmolOrco shared high sequence similarities with the Orco ortholog of lepidopterans. The results of real-time quantitative PCR detection demonstrated that GmolOrco was predominantly expressed in adult antennae and had the highest expression quantity in adult period among the different developmental stages. Compared with the noninjected controls, GmolOrco expression in GmolOrcodouble-stranded RNA (dsRNA)-injected males was reduced to 39.92% and that in females was reduced to 40.43%. EAG assays showed that the responses of GmolOrco-dsRNA injected males to sex pheromones (Z)-8-dodecenyl acetate (Z8-12:OAc) and (Z)-8-dodecenyl alcohol (Z8-12:OH) were significantly reduced, and the GmolOrco-dsRNA-injected female to green leaf volatile (Z)-3-hexenyl acetate also significantly declined. We inferred that Orco-mediated olfaction was different in male and female G. molesta adults and was mainly involved in recognizing the sex pheromones released by female moths.
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Affiliation(s)
- Xiu-Lin Chen
- Shaanxi Province Key Laboratory of Jujube, College of Life Science, Yan'an University, Yan'an, Shaanxi, China
| | - Bo-Liao Li
- Shaanxi Province Key Laboratory of Jujube, College of Life Science, Yan'an University, Yan'an, Shaanxi, China
| | - Yu-Xin Chen
- Shaanxi Province Key Laboratory of Jujube, College of Life Science, Yan'an University, Yan'an, Shaanxi, China
| | - Guang-Wei Li
- Shaanxi Province Key Laboratory of Jujube, College of Life Science, Yan'an University, Yan'an, Shaanxi, China
| | - Jun-Xiang Wu
- Key Laboratory of Plant Protection Resources & Pest Management of the Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, China
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Saurabh S, Mishra M, Rai P, Pandey R, Singh J, Khare A, Jain M, Singh PK. Tiny Flies: A Mighty Pest That Threatens Agricultural Productivity-A Case for Next-Generation Control Strategies of Whiteflies. INSECTS 2021; 12:insects12070585. [PMID: 34203297 PMCID: PMC8307429 DOI: 10.3390/insects12070585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 05/04/2021] [Accepted: 05/12/2021] [Indexed: 01/09/2023]
Abstract
Simple Summary Despite being a pest of global importance, effective management of whiteflies by the implication of environmentally friendly approaches is still a far-reaching task. In this review, we have tried to bring the readers’ attention to next-generation control strategies such as RNA interference and genetic modifications of plants for the expression of anti-whitefly proteins. These strategies offer huge promise to provide an effective and sustainable solution to the problem of whiteflies, either in isolation or in combination with other widely used practices under the regimes of integrated pest management. Focus has also been given to advanced technologies such as nanotechnology and genome editing, with promising prospects for field applications. The importance, applicability, and demand of these technologies for the control of whiteflies have been highlighted. We have also attempted to present the holistic picture of challenges in the path of commercial application of these promising technologies. To underline the pest status of whiteflies concisely, we have enlisted all economically important species of the pest along with their host plants/crops across the world. A comprehensive list of various insecticides of chemical, microbial, and botanical origin, applied in the field for the control of sweetpotato whitefly along with their resistance status, ecotoxicities, and effects on biological control agents, has been provided for readers. Abstract Whiteflies are a group of universally occurring insects that are considered to be a serious pest in their own way for causing both direct and indirect damages to crops. A few of them serve as vectors of plant viruses that are detrimental to the crop in question and cause an actual loss in productivity. A lot of attention is focused on pest control measures under the umbrella of IPM. In this review, we attempt to summarize the existing literature on how and why whiteflies are a serious concern for agriculture and society. We reviewed why there could be a need for fresh insight into the ways and means with which the pest can be combated. Here, we have emphasized next-generation strategies based on macromolecules, i.e., RNA interference and genetic engineering (for the expression of anti-whitefly proteins), as these strategies possess the greatest scope for research and improvement in the future. Recent scientific efforts based on nanotechnology and genome editing, which seem to offer great potential for whitefly/crop pest control, have been discussed. Comprehensive apprehensions related to obstacles in the path of taking lab-ready technologies into the farmers’ field have also been highlighted. Although the use of RNAi, GM crops, nanotechnologies, for the control of whiteflies needs to be evaluated in the field, there is an emerging range of possible applications with promising prospects for the control of these tiny flies that are mighty pests.
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Affiliation(s)
- Sharad Saurabh
- Insect Defense Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, 435, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India; (S.S.); (P.R.); (J.S.); (A.K.)
| | - Manisha Mishra
- Developmental Toxicology Division, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; (M.M.); (R.P.)
| | - Preeti Rai
- Insect Defense Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, 435, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India; (S.S.); (P.R.); (J.S.); (A.K.)
| | - Rashmi Pandey
- Developmental Toxicology Division, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; (M.M.); (R.P.)
| | - Jyoti Singh
- Insect Defense Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, 435, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India; (S.S.); (P.R.); (J.S.); (A.K.)
- CSIR-Human Resource Development Centre, Academy of Scientific and Innovative Research (AcSIR), (CSIR-HRDC) Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India
| | - Akansha Khare
- Insect Defense Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, 435, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India; (S.S.); (P.R.); (J.S.); (A.K.)
| | - Meeta Jain
- School of Biochemistry, Khandwa Rd., D.A.V.V., Bhawarkuwa, DAVV Takshila Parisar, Indore 452001, Madhya Pradesh, India;
| | - Pradhyumna Kumar Singh
- Insect Defense Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, 435, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India; (S.S.); (P.R.); (J.S.); (A.K.)
- CSIR-Human Resource Development Centre, Academy of Scientific and Innovative Research (AcSIR), (CSIR-HRDC) Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India
- Correspondence: ; Tel.: +91-7080844111
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Potential of cold plasma to control Callosobruchus chinensis (Chrysomelidae: Bruchinae) in chickpea cultivars during four year storage. Sci Rep 2021; 11:13425. [PMID: 34183731 PMCID: PMC8238940 DOI: 10.1038/s41598-021-92792-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 06/01/2021] [Indexed: 11/09/2022] Open
Abstract
Cold plasma has proven itself as a promising method of food preservation by controlling food spoilage bacteria at very low temperatures. It is showing potential for insect control. Synthetic pesticides are mostly used to control Callosobruchus chinensis L. (Chrysomelidae: Coleoptera) to which it has developed resistance. The prospective potential of cold plasma treatment to control pulse beetle infestation of chickpea in the storage for about four years of plasma treatment was studied. The four chickpea cultivars were treated with cold plasma at different power 40, 50, and 60 W each for 10, 15, 20 min. Plasma treated and untreated chickpeas were stored in an airtight ziplock pouch. At regular intervals, the grains were observed for infestation. It was found most effective in controlling the pulse beetle infestation of treated chickpea samples. While plasma untreated chickpeas were attacked and damaged mostly by pulse beetle within the first quarter of the storage study. To avoid the problems created by the use of pesticides cold plasma treatment is found to be the best alternative in the protection of chickpea invasion by pulse beetle during a longer storage period. The findings in the present research may be used for the preparation of legumes which may also soak and cook faster like quick-cooking legumes and preserved for years without invasion of pulse beetle.
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Disruption of the odorant coreceptor Orco impairs foraging and host finding behaviors in the New World screwworm fly. Sci Rep 2021; 11:11379. [PMID: 34059738 PMCID: PMC8167109 DOI: 10.1038/s41598-021-90649-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 05/12/2021] [Indexed: 12/03/2022] Open
Abstract
The evolution of obligate ectoparasitism in blowflies (Diptera: Calliphoridae) has intrigued scientists for over a century, and surprisingly, the genetics underlying this lifestyle remain largely unknown. Blowflies use odors to locate food and oviposition sites; therefore, olfaction might have played a central role in niche specialization within the group. In insects, the coreceptor Orco is a required partner for all odorant receptors (ORs), a major gene family involved in olfactory-evoked behaviors. Hence, we characterized the Orco gene in the New World screwworm, Cochliomyia hominivorax, a blowfly that is an obligate ectoparasite of warm-blooded animals. In contrast, most of the closely related blowflies are scavengers that lay their eggs on dead animals. We show that the screwworm Orco orthologue (ChomOrco) is highly conserved within Diptera, showing signals of strong purifying selection. Expression of ChomOrco is broadly detectable in chemosensory appendages, and is related to morphological, developmental, and behavioral aspects of the screwworm biology. We used CRISPR/Cas9 to disrupt ChomOrco and evaluate the consequences of losing the OR function on screwworm behavior. In two-choice assays, Orco mutants displayed an impaired response to floral-like and animal host-associated odors, suggesting that OR-mediated olfaction is involved in foraging and host-seeking behaviors in C. hominivorax. These results broaden our understanding of the chemoreception basis of niche occupancy by blowflies.
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Jiang XC, Liu S, Jiang XY, Wang ZW, Xiao JJ, Gao Q, Sheng CW, Shi TF, Zeng HR, Yu LS, Cao HQ. Identification of Olfactory Genes From the Greater Wax Moth by Antennal Transcriptome Analysis. Front Physiol 2021; 12:663040. [PMID: 34093226 PMCID: PMC8172125 DOI: 10.3389/fphys.2021.663040] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 04/22/2021] [Indexed: 11/23/2022] Open
Abstract
The olfactory system is used by insects to find hosts, mates, and oviposition sites. Insects have different types of olfactory proteins, including odorant-binding proteins (OBPs), chemosensory proteins (CSPs), odorant receptors (ORs), ionotropic receptors (IRs), and sensory neuron membrane proteins (SNMPs) to perceive chemical cues from the environment. The greater wax moth, Galleria mellonella, is an important lepidopteran pest of apiculture. However, the molecular mechanism underlying odorant perception in this species is unclear. In this study, we performed transcriptome sequencing of G. mellonella antennae to identify genes involved in olfaction. A total of 42,544 unigenes were obtained by assembling the transcriptome. Functional classification of these unigenes was determined by searching against the Gene Ontology (GO), eukaryotic orthologous groups (KOG), and the Kyoto Encyclopedia of Genes and Genomes (KEGG) databases. We identified a total of 102 olfactory-related genes: 21 OBPs, 18 CSPs, 43 ORs, 18 IRs, and 2 SNMPs. Results from BLASTX best hit and phylogenetic analyses showed that most of the genes had a close relationship with orthologs from other Lepidoptera species. A large number of OBPs and CSPs were tandemly arrayed in the genomic scaffolds and formed gene clusters. Reverse transcription-quantitative PCR results showed that GmelOBP19 and GmelOR47 are mainly expressed in male antennae. This work provides a transcriptome resource for olfactory genes in G. mellonella, and the findings pave the way for studying the function of these genes.
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Affiliation(s)
- Xing-Chuan Jiang
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Su Liu
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Xiu-Yun Jiang
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Zheng-Wei Wang
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, China
| | - Jin-Jing Xiao
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Quan Gao
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Cheng-Wang Sheng
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Teng-Fei Shi
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Hua-Rui Zeng
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Lin-Sheng Yu
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Hai-Qun Cao
- Anhui Provincial Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, China
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Unbehend M, Kozak GM, Koutroumpa F, Coates BS, Dekker T, Groot AT, Heckel DG, Dopman EB. bric à brac controls sex pheromone choice by male European corn borer moths. Nat Commun 2021; 12:2818. [PMID: 33990556 PMCID: PMC8121916 DOI: 10.1038/s41467-021-23026-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 03/28/2021] [Indexed: 02/03/2023] Open
Abstract
The sex pheromone system of ~160,000 moth species acts as a powerful form of assortative mating whereby females attract conspecific males with a species-specific blend of volatile compounds. Understanding how female pheromone production and male preference coevolve to produce this diversity requires knowledge of the genes underlying change in both traits. In the European corn borer moth, pheromone blend variation is controlled by two alleles of an autosomal fatty-acyl reductase gene expressed in the female pheromone gland (pgFAR). Here we show that asymmetric male preference is controlled by cis-acting variation in a sex-linked transcription factor expressed in the developing male antenna, bric à brac (bab). A genome-wide association study of preference using pheromone-trapped males implicates variation in the 293 kb bab intron 1, rather than the coding sequence. Linkage disequilibrium between bab intron 1 and pgFAR further validates bab as the preference locus, and demonstrates that the two genes interact to contribute to assortative mating. Thus, lack of physical linkage is not a constraint for coevolutionary divergence of female pheromone production and male behavioral response genes, in contrast to what is often predicted by evolutionary theory.
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Affiliation(s)
- Melanie Unbehend
- Department of Entomology, Max Planck Institute for Chemical Ecology, Jena, Germany
| | - Genevieve M Kozak
- Department of Biology, Tufts University, Medford, MA, USA
- Department of Biology, University of Massachusetts Dartmouth, Dartmouth, MA, USA
| | - Fotini Koutroumpa
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, XH, the Netherlands
- INRAE, Sorbonne Université, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Versailles, Cedex, France
| | - Brad S Coates
- USDA-ARS, Corn Insects and Crop Genetics Research Unit, Ames, IA, USA
| | - Teun Dekker
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden
| | - Astrid T Groot
- Department of Entomology, Max Planck Institute for Chemical Ecology, Jena, Germany
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, XH, the Netherlands
| | - David G Heckel
- Department of Entomology, Max Planck Institute for Chemical Ecology, Jena, Germany.
| | - Erik B Dopman
- Department of Biology, Tufts University, Medford, MA, USA.
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Zhang X, Liu P, Qin Q, Li M, Meng R, Zhang T. Characterizing the Role of Orco Gene in Detecting Aggregation Pheromone and Food Resources in Protaetia brevitarsis Leiws (Coleoptera: Scarabaeidae). Front Physiol 2021; 12:649590. [PMID: 33927641 PMCID: PMC8076894 DOI: 10.3389/fphys.2021.649590] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/17/2021] [Indexed: 11/20/2022] Open
Abstract
An accurate olfactory system for recognizing semiochemicals and environmental chemical signals plays crucial roles in survival and reproduction of insects. Among all olfaction-related proteins, olfactory receptors (ORs) contribute to the conversion of chemical stimuli to electric signals and thereby are vital in odorant recognition. Olfactory receptor co-receptor (Orco), one of the most conserved ORs, is extremely essential in recognizing odorants through forming a ligand-gated ion channel complex with conventional ligand-binding odorant receptors. We have previously identified aggregation pheromone in Protaetia brevitarsis (Coleoptera: Scarabaeidae), a native agricultural and horticultural pest in East-Asia. However, to our best knowledge, its olfaction recognition mechanisms are still veiled. To illustrate how P. brevitarsis recognize aggregation pheromone and host plants, in the present study we cloned and sequenced the full-length Orco gene from P. brevitarsis antennae (named PbreOrco) and found that PbreOrco is highly conserved and similar to Orcos from other Coleoptera insects. Our real-time quantitative PCR (qRT-PCR) results showed that PbreOrco is mainly expressed in antenna. We also demonstrated that silencing PbreOrco using RNA interference through injecting dsOrco fragment significantly inhibited PbreOrco expression in comparison with injecting control dsGFP and subsequently revealed using electroantennogram and behavioral bioassays that decreasing PbreOrco transcript abundance significantly impaired the responses of P. brevitarsis to intraspecific aggregation pheromone and prolonged the time of P. brevitarsis spending on food seeking. Overall, our results demonstrated that PbreOrco is crucial in mediating odorant perception in P. brevitarsis.
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Affiliation(s)
- Xiaofang Zhang
- Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China.,Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Baoding, China
| | - Panjing Liu
- Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China.,Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Baoding, China
| | - Qiuju Qin
- College of Plant Protection, Hebei Agricultural University, Baoding, China
| | - Min Li
- Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China.,Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Baoding, China
| | - Runjie Meng
- Baoding Vocational and Technical College, Baoding, China
| | - Tao Zhang
- Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Integrated Pest Management Center of Hebei Province, Baoding, China.,Key Laboratory of IPM on Crops in Northern Region of North China, Ministry of Agriculture, Baoding, China
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42
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He P, Ma YF, Wang MM, Wang H, Dewer Y, Abd El-Ghany NM, Chen GL, Yang GQ, Zhang F, He M. Silencing the odorant coreceptor (Orco) disrupts sex pheromonal communication and feeding responses in Blattella germanica: toward an alternative target for controlling insect-transmitted human diseases. PEST MANAGEMENT SCIENCE 2021; 77:1674-1682. [PMID: 33205592 DOI: 10.1002/ps.6187] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/06/2020] [Accepted: 11/17/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The German cockroach, Blattella germanica, is one of the most severe pests of urban and rural areas. High-throughput genetic screening approaches indicate that the olfactory system of this pest is extremely powerful because it has an extensive array of olfactory receptor genes compared with many other insect species. Several of these genes have been identified previously, but their functions have not yet been characterized. RESULTS This study describes the sequence of five transcriptomes of B. germanica adult male antennae, female antennae, maxillary palps, legs, and fifth-instar nymph antennae to investigate expression patterns of odorant receptors (ORs). Approximately 90% of ORs were found to be the most highly expressed genes in adult or nymph antennae. Additionally, every OR requires an odorant co-receptor (Orco) to become fully functional, and this was selected and successfully inhibited by injection of the corresponding double-stranded (ds)RNA targeting the Orco. A strong RNA interference (RNAi) effect was observed in which > 75% of Orco messenger RNA (mRNA) was clearly suppressed after 72 h of treatment. Olfactory behavioral assays showed that Orco-impaired B. germanica respond more slowly and show less attraction to one volatile sex pheromone and food resources compared with a control group. CONCLUSION The results show that Orco plays a pivotal role in both sex pheromone and food-seeking olfactory processes, and provide an alternative genetic technique for controlling this urban pest species by olfactory disruption. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Peng He
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, P. R. China
| | - Yun-Feng Ma
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, P. R. China
| | - Mei-Mei Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, P. R. China
| | - Hong Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, P. R. China
| | - Youssef Dewer
- Bioassay Research Department, Central Agricultural Pesticide Laboratory, Agricultural Research Center, Giza, Egypt
| | - Nesreen M Abd El-Ghany
- Pests and Plant Protection Department, Agricultural and Biological Division, National Research Centre, Giza, Egypt
| | - Guang-Lei Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, P. R. China
| | - Gui-Qing Yang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, P. R. China
| | - Fan Zhang
- Key Laboratory of Animal Resistance Research, College of Life Science, Shandong Normal University, Jinan, P. R. China
| | - Ming He
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, P. R. China
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43
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Kythreoti G, Sdralia N, Tsitoura P, Papachristos DP, Michaelakis A, Karras V, Ruel DM, Yakir E, Bohbot JD, Schulz S, Iatrou K. Volatile allosteric antagonists of mosquito odorant receptors inhibit human-host attraction. J Biol Chem 2020; 296:100172. [PMID: 33298524 PMCID: PMC7948460 DOI: 10.1074/jbc.ra120.016557] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/30/2020] [Accepted: 12/09/2020] [Indexed: 11/06/2022] Open
Abstract
Odorant-dependent behaviors in insects are triggered by the binding of odorant ligands to the variable subunits of heteromeric olfactory receptors. Previous studies have shown, however, that specific odor binding to ORco, the common subunit of odorant receptor heteromers, may allosterically alter olfactory receptor function and profoundly affect subsequent behavioral responses. Using an insect cell-based screening platform, we identified and characterized several antagonists of the odorant receptor coreceptor of the African malaria vector Anopheles gambiae (AgamORco) in a small collection of natural volatile organic compounds. Because some of the identified antagonists were previously shown to strongly repel Anopheles and Culex mosquitoes, we examined the bioactivities of the identified antagonists against Aedes, the third major genus of the Culicidae family. The tested antagonists inhibited the function of Ae. aegypti ORco ex vivo and repelled adult Asian tiger mosquitoes (Ae. albopictus). Binary mixtures of specific antagonists elicited higher repellency than single antagonists, and binding competition assays suggested that this enhanced repellence is due to antagonist interaction with distinct ORco sites. Our results also suggest that the enhanced mosquito repellency by antagonist mixtures is due to additive rather than synergistic effects of the specific antagonist combinations on ORco function. Taken together, these findings provide novel insights concerning the molecular aspects of odorant receptor function. Moreover, our results demonstrate that a simple screening assay may be used for the identification of allosteric modifiers of olfactory-driven behaviors capable of providing enhanced personal protection against multiple mosquito-borne infectious diseases.
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Affiliation(s)
- Georgia Kythreoti
- Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos", Aghia Paraskevi, Greece
| | - Nadia Sdralia
- Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos", Aghia Paraskevi, Greece
| | - Panagiota Tsitoura
- Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos", Aghia Paraskevi, Greece
| | | | - Antonios Michaelakis
- Entomology and Agricultural Zoology, Benaki Phytopathological Institute, Kifissia, Greece
| | - Vasileios Karras
- Entomology and Agricultural Zoology, Benaki Phytopathological Institute, Kifissia, Greece
| | - David M Ruel
- Department of Entomology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Esther Yakir
- Department of Entomology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Jonathan D Bohbot
- Department of Entomology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Stefan Schulz
- Institute of Organic Chemistry, Technische Universität Braunschweig, Braunschweig, Germany
| | - Kostas Iatrou
- Institute of Biosciences and Applications, National Centre for Scientific Research "Demokritos", Aghia Paraskevi, Greece.
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44
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Tyagi S, Kesiraju K, Saakre M, Rathinam M, Raman V, Pattanayak D, Sreevathsa R. Genome Editing for Resistance to Insect Pests: An Emerging Tool for Crop Improvement. ACS OMEGA 2020; 5:20674-20683. [PMID: 32875201 PMCID: PMC7450494 DOI: 10.1021/acsomega.0c01435] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 06/30/2020] [Indexed: 05/17/2023]
Abstract
Plants are challenged incessantly by several biotic and abiotic stresses during their entire growth period. As with other biotic stress factors, insect pests have also posed serious concerns related to yield losses due to which agricultural productivity is at stake. In plants, trait modification for crop improvement was initiated with breeding approaches followed by genetic engineering. However, stringent regulatory policies for risk assessment and lack of social acceptance for genetically modified crops worldwide have incited researchers toward alternate strategies. Genome engineering or genome editing has emerged as a new breeding technique with the ability to edit the genomes of plants, animals, microbes, and human beings. Several gene editing strategies are being executed with continuous emergence of variants. The scientific community has unraveled the utility of various editing tools from endonucleases to CRISPR/Cas in several aspects related to plant growth, development, and mitigation of stresses. The categorical focus on the development of tools and techniques including designing of binary vectors to facilitate ease in genome engineering are being pursued. Through this Review, we embark upon the conglomeration of various genome editing strategies that can be and are being used to design insect pest resistance in plants. Case studies and novel crop-based approaches that reiterate the successful use of these tools in insects as well as in plants are highlighted. Further, the Review also provides implications for the requirement of a specific regulatory framework and risk assessment of the edited crops. Genome editing toward insect pest management is here to stay, provided uncompromising efforts are made toward the identification of amiable target genes.
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45
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Ma C, Cui S, Bai Q, Tian Z, Zhang Y, Chen G, Gao X, Tian Z, Chen H, Guo J, Wan F, Zhou Z. Olfactory co-receptor is involved in host recognition and oviposition in Ophraella communa (Coleoptera: Chrysomelidae). INSECT MOLECULAR BIOLOGY 2020; 29:381-390. [PMID: 32291884 DOI: 10.1111/imb.12643] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 01/16/2020] [Accepted: 04/07/2020] [Indexed: 06/11/2023]
Abstract
Common ragweed (Ambrosia artemisiifolia) is a notorious invasive weed that has spread across most temperate regions of the world. The beetle (Ophraella communa) is considered to be an effective control agent against A. artemisiifolia. As an oligophagous insect, its olfactory system is extremely important for host seeking in the wild. To the best of our knowledge, there is no report on the molecular mechanisms underlying olfaction recognition in this beetle. Hence, in this study, we characterized the odorant receptor co-receptor of O. communa and named it as 'OcomORco'. Real-time quantitative PCR (qRT-PCR) showed that, compared to the control treatment, RNA interference (RNAi) strongly reduced the expression of OcomORco by 89% in male and 90% in female beetles. Electroantennogram assay showed that the antennal response of both male and female beetles to four volatiles of A. artemisiifolia was significantly reduced. The injected male or female beetles lost their preference for plant leaves as observed in the behavioural tests. In addition, disruption of the expression of OcomORco resulted in a reduction of oviposition, while there was no difference in larval hatching rate between control and knockdown females. We demonstrated that OcomORco plays a vital role in olfactory perception and host search in O. communa, and it is involved in oviposition in an indirect way.
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Affiliation(s)
- Chao Ma
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shaowei Cui
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- School of Plant Protection, Jilin Agricultural University, Changchun, China
| | - Qiang Bai
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- College of Plant Protection, Yunnan Agricultural University, Kunming, China
| | - Zhenya Tian
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yan Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guangmei Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xuyuan Gao
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Guangxi Key Laboratory for Biology of Crop Diseases and Insect Pests, Institute of PlantProtection, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Zhenqi Tian
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hongsong Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Guangxi Key Laboratory for Biology of Crop Diseases and Insect Pests, Institute of PlantProtection, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Jianying Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Fanghao Wan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhongshi Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
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46
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Singh S, Singh A, Kumar S, Mittal P, Singh IK. Protease inhibitors: recent advancement in its usage as a potential biocontrol agent for insect pest management. INSECT SCIENCE 2020; 27:186-201. [PMID: 30230264 DOI: 10.1111/1744-7917.12641] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/14/2018] [Accepted: 08/29/2018] [Indexed: 05/13/2023]
Abstract
Plant-derived protease inhibitors (PIs) are a promising defensin for crop improvement and insect pest management. Although agronomist made significant efforts in utilizing PIs for managing insect pests, the potentials of PIs are still obscured. Insect ability to compensate nutrient starvation induced by dietary PI feeding using different strategies, that is, overexpression of PI-sensitive protease, expression of PI-insensitive proteases, degradation of PI, has made this innumerable collection of PIs worthless. A practical challenge for agronomist is to identify potent PI candidates, to limit insect compensatory responses and to elucidate insect compensatory and resistance mechanisms activated upon herbivory. This knowledge could be further efficiently utilized to identify potential targets for RNAi-mediated pest control. These vital genes of insects could be functionally annotated using the advanced gene-editing technique, CRISPR/Cas9. Contemporary research is exploiting different in silico and modern molecular biology techniques to utilize PIs in controlling insect pests efficiently. This review is structured to update recent advancements in this field, along with its chronological background.
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Affiliation(s)
- Sujata Singh
- Molecular Biology Research Laboratory, Department of Zoology, Deshbandhu College, University of Delhi, Kalkaji, New Delhi, India
| | - Archana Singh
- Department of Botany, Hans Raj College, University of Delhi, Delhi, India
| | - Sumit Kumar
- Molecular Biology Research Laboratory, Department of Zoology, Deshbandhu College, University of Delhi, Kalkaji, New Delhi, India
| | - Pooja Mittal
- Molecular Biology Research Laboratory, Department of Zoology, Deshbandhu College, University of Delhi, Kalkaji, New Delhi, India
| | - Indrakant K Singh
- Molecular Biology Research Laboratory, Department of Zoology, Deshbandhu College, University of Delhi, Kalkaji, New Delhi, India
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Botha A, Kunert KJ, Maling’a J, Foyer CH. Defining biotechnological solutions for insect control in sub‐Saharan Africa. Food Energy Secur 2020. [DOI: 10.1002/fes3.191] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Anna‐Maria Botha
- Department of Genetics Stellenbosch University Stellenbosch South Africa
| | - Karl J. Kunert
- Department of Plant Sciences FABI University of Pretoria Pretoria South Africa
| | - Joyce Maling’a
- Kenya Agriculture and Livestock Organization (KALRO) Food Crops Research Institute Kitale Kenya
| | - Christine H. Foyer
- School of Biosciences College of Life and Environmental Sciences University of Birmingham, Edgbaston Birmingham UK
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48
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Mbaluto CM, Ayelo PM, Duffy AG, Erdei AL, Tallon AK, Xia S, Caballero-Vidal G, Spitaler U, Szelényi MO, Duarte GA, Walker WB, Becher PG. Insect chemical ecology: chemically mediated interactions and novel applications in agriculture. ARTHROPOD-PLANT INTERACTIONS 2020; 14:671-684. [PMID: 33193908 PMCID: PMC7650581 DOI: 10.1007/s11829-020-09791-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 10/16/2020] [Indexed: 05/19/2023]
Abstract
Insect chemical ecology (ICE) evolved as a discipline concerned with plant-insect interactions, and also with a strong focus on intraspecific pheromone-mediated communication. Progress in this field has rendered a more complete picture of how insects exploit chemical information in their surroundings in order to survive and navigate their world successfully. Simultaneously, this progress has prompted new research questions about the evolution of insect chemosensation and related ecological adaptations, molecular mechanisms that mediate commonly observed behaviors, and the consequences of chemically mediated interactions in different ecosystems. Themed meetings, workshops, and summer schools are ideal platforms for discussing scientific advancements as well as identifying gaps and challenges within the discipline. From the 11th to the 22nd of June 2018, the 11th annual PhD course in ICE was held at the Swedish University of Agricultural Sciences (SLU) Alnarp, Sweden. The course was made up of 35 student participants from 22 nationalities (Fig. 1a) as well as 32 lecturers. Lectures and laboratory demonstrations were supported by literature seminars, and four broad research areas were covered: (1) multitrophic interactions and plant defenses, (2) chemical communication focusing on odor sensing, processing, and behavior, (3) disease vectors, and (4) applied aspects of basic ICE research in agriculture. This particular article contains a summary and brief synthesis of these main emergent themes and discussions from the ICE 2018 course. In addition, we also provide suggestions on teaching the next generation of ICE scientists, especially during unprecedented global situations.
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Affiliation(s)
- Crispus M. Mbaluto
- Molecular Interaction Ecology, German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Pusch straße 4, 04103 Leipzig, Germany
- Institute of Biodiversity, Friedrich-Schiller-Universität Jena, Dornburger Str. 159, 07743 Jena, Germany
| | - Pascal M. Ayelo
- International Centre of Insect Physiology and Ecology (Icipe), P.O. Box 30772-00100, Nairobi, Kenya
- Department of Zoology and Entomology, University of Pretoria, Hatfield, Private Bag X20, Pretoria, 0028 South Africa
| | - Alexandra G. Duffy
- Evolutionary Ecology Laboratories, Department of Biology, Brigham Young University, 4102 Life Science Building, Provo, UT 84602 USA
| | - Anna L. Erdei
- Zoology Department, Plant Protection Institute, Centre for Agricultural Research, Herman Ottó str. 15, Budapest, 1022 Hungary
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, P.O. Box 102, 23053 Alnarp, Sweden
| | - Anaїs K. Tallon
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, P.O. Box 102, 23053 Alnarp, Sweden
| | - Siyang Xia
- Department of Ecology and Evolutionary Biology, Yale University, 21 Sachem Street, New Haven, CT 06511 USA
| | - Gabriela Caballero-Vidal
- INRAE, Institute of Ecology and Environmental Sciences of Paris, CNRS, IRD, UPEC, Sorbonne Université, Université Paris Diderot, Route de Saint-Cyr, 78026 Versailles Cedex, France
| | - Urban Spitaler
- Institute of Plant Health, Laimburg Research Centre, Laimburg 6, 3904 Ora, South Tyrol Italy
- Department of Crop Sciences, Institute of Plant Protection, University of Natural Resources and Life Sciences (BOKU), Gregor-Mendel-Straße 33, 1180 Vienna, Austria
| | - Magdolna O. Szelényi
- Zoology Department, Plant Protection Institute, Centre for Agricultural Research, Herman Ottó str. 15, Budapest, 1022 Hungary
| | - Gonçalo A. Duarte
- LEAF-Linking Landscape, Environment, Agriculture and Food Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisbon, Portugal
| | - William B. Walker
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, P.O. Box 102, 23053 Alnarp, Sweden
| | - Paul G. Becher
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, P.O. Box 102, 23053 Alnarp, Sweden
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49
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Shiota Y, Sakurai T. Molecular Mechanisms of Sex Pheromone Reception in Moths. INSECT SEX PHEROMONE RESEARCH AND BEYOND 2020. [DOI: 10.1007/978-981-15-3082-1_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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50
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Bastin-Héline L, de Fouchier A, Cao S, Koutroumpa F, Caballero-Vidal G, Robakiewicz S, Monsempes C, François MC, Ribeyre T, Maria A, Chertemps T, de Cian A, Walker WB, Wang G, Jacquin-Joly E, Montagné N. A novel lineage of candidate pheromone receptors for sex communication in moths. eLife 2019; 8:49826. [PMID: 31818368 PMCID: PMC6904214 DOI: 10.7554/elife.49826] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 11/01/2019] [Indexed: 12/17/2022] Open
Abstract
Sex pheromone receptors (PRs) are key players in chemical communication between mating partners in insects. In the highly diversified insect order Lepidoptera, male PRs tuned to female-emitted type I pheromones (which make up the vast majority of pheromones identified) form a dedicated subfamily of odorant receptors (ORs). Here, using a combination of heterologous expression and in vivo genome editing methods, we bring functional evidence that at least one moth PR does not belong to this subfamily but to a distantly related OR lineage. This PR, identified in the cotton leafworm Spodoptera littoralis, is highly expressed in male antennae and is specifically tuned to the major sex pheromone component emitted by females. Together with a comprehensive phylogenetic analysis of moth ORs, our functional data suggest two independent apparitions of PRs tuned to type I pheromones in Lepidoptera, opening up a new path for studying the evolution of moth pheromone communication.
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Affiliation(s)
- Lucie Bastin-Héline
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Arthur de Fouchier
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Song Cao
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Fotini Koutroumpa
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Gabriela Caballero-Vidal
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Stefania Robakiewicz
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Christelle Monsempes
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Marie-Christine François
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Tatiana Ribeyre
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Annick Maria
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Thomas Chertemps
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Anne de Cian
- CNRS UMR 7196, INSERM U1154, Museum National d'Histoire Naturelle, Paris, France
| | - William B Walker
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden
| | - Guirong Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Emmanuelle Jacquin-Joly
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
| | - Nicolas Montagné
- Sorbonne Université, Inra, CNRS, IRD, UPEC, Université Paris Diderot, Institute of Ecology and Environmental Sciences of Paris, Paris and Versailles, France
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