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Journal articles on the topic 'Chemosensory Proteins (CSPs)'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Xu, Hongfei, Kunpeng Yan, Yaping Ding, et al. "Chemosensory Proteins Are Associated with Thiamethoxam and Spirotetramat Tolerance in Aphis gossypii Glover." International Journal of Molecular Sciences 23, no. 4 (2022): 2356. http://dx.doi.org/10.3390/ijms23042356.

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Chemosensory proteins (CSPs) are a class of transporters in arthropods. Deeper research on CSPs showed that CSPs may be involved in some physiological processes beyond chemoreception, such as insect resistance to pesticides. We identified two upregulated CSPs in two resistant strains of Aphis gossypii Glover. To understand their role in the resistance of aphids to pesticides, we performed the functional verification of CSP1 and CSP4 in vivo and in vitro. Results showed that the sensitivity of the thiamethoxam-resistant strain to thiamethoxam increased significantly with the silencing of CSP1 a

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Agnihotri, Aniruddha, Naiyong Liu, and Wei Xu. "Chemosensory Proteins (CSPs) in the Cotton Bollworm Helicoverpa armigera." Insects 13, no. 1 (2021): 29. http://dx.doi.org/10.3390/insects13010029.

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Chemosensory proteins (CSPs) are a family of small, soluble proteins that play a crucial role in transporting odorant and pheromone molecules in the insect chemosensory system. Recent studies reveal that they also function in development, nutrient metabolism and insecticide resistance. In-depth and systematic characterization of previously unknown CSPs will be valuable to investigate more detailed functionalities of this protein family. Here, we identified 27 CSP genes from the genome and transcriptome sequences of cotton bollworm, Helicoverpa armigera (Hübner). The expression patterns of thes

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3

Wu, Lixian, Xin Zhai, Liangbin Li, Qiang Li, Fang Liu, and Hongxia Zhao. "Identification and Expression Profile of Chemosensory Genes in the Small Hive Beetle Aethina tumida." Insects 12, no. 8 (2021): 661. http://dx.doi.org/10.3390/insects12080661.

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Aethina tumida is a parasite and predator of honeybee causing severe loss to the bee industry. No effective and environmentally friendly methods are available to control this pest at present. Chemosensory genes play key roles in insect behavior which can potentially be used as targets for developing environmentally friendly pest control agents. In this study, the putative chemosensory genes in antennae and forelegs of A. tumida involved in olfaction or contact chemical communication of adults were investigated using RNA transcriptome sequencing and PCR methods. Based on transcriptomic data, un

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Zhou, Xian-Hong, Li-Ping Ban, Immacolata Iovinella, et al. "Diversity, abundance, and sex-specific expression of chemosensory proteins in the reproductive organs of the locust Locusta migratoria manilensis." Biological Chemistry 394, no. 1 (2013): 43–54. http://dx.doi.org/10.1515/hsz-2012-0114.

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Abstract Chemosensory proteins (CSPs) are small soluble proteins often associated with chemosensory organs in insects but include members involved in other functions, such as pheromone delivery and development. Although the CSPs of the sensory organs have been extensively studied, little is known on their functions in other parts of the body. A first screening of the available databases has identified 70 sequences encoding CSPs in the oriental locust Locusta migratoria manilensis. Applying proteomic analysis, we have identified 17 of them abundantly expressed in the female reproductive organs,

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5

Tsouri, Angeliki, and Vassilis Douris. "The Role of Chemosensory Proteins in Insecticide Resistance: A Review." Insects 16, no. 5 (2025): 496. https://doi.org/10.3390/insects16050496.

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Chemosensory proteins (CSPs) are small soluble proteins found predominantly in insects, with a conserved structure that contains a hydrophobic cavity. While originally associated with chemosensation, they were soon implicated to several other functions related to their ability to bind hydrophobic molecules. Research in the last decade has shown that CSPs may play a role in insecticide resistance. Several CSP genes are upregulated upon induction by sublethal insecticide doses or are highly expressed in resistant populations. RNA interference of CSP genes can restore susceptibility to insecticid

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6

Liu, Xiaolong, Na Tong, Zheran Wu, et al. "Identification of Chemosensory Genes Based on the Antennal Transcriptomic Analysis of Plagiodera versicolora." Insects 13, no. 1 (2021): 36. http://dx.doi.org/10.3390/insects13010036.

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Insects can sense surrounding chemical signals by their accurate chemosensory systems. This system plays a vital role in the life history of insects. Several gene families participate in chemosensory processes, including odorant receptors (ORs), ionotropic receptors (IRs), gustatory receptors (GRs), chemosensory proteins (CSPs), odorant binding proteins (OBPs), and sensory neuron membrane proteins (SNMPs). Plagiodera versicolora (Coleoptera: Chrysomelidae), is a leaf-eating forest pest found in salicaceous trees worldwide. In this study, a transcriptome analysis of male and female adult antenn

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7

Li, Xiaowei, Jianghui Cheng, Limin Chen, et al. "Comparison and Functional Analysis of Odorant-Binding Proteins and Chemosensory Proteins in Two Closely Related Thrips Species, Frankliniella occidentalis and Frankliniella intonsa (Thysanoptera: Thripidae) Based on Antennal Transcriptome Analysis." International Journal of Molecular Sciences 23, no. 22 (2022): 13900. http://dx.doi.org/10.3390/ijms232213900.

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Two closely related thrips species, Frankliniella occidentalis and Frankliniella intonsa, are important pests on agricultural and horticultural crops. They have several similarities, including occurrence patterns, host range, and aggregation pheromone compounds. However, there are very few reports about the chemosensory genes and olfactory mechanisms in these two species. To expand our knowledge of the thrips chemosensory system, we conducted antennal transcriptome analysis of two thrips species, and identified seven odorant-binding proteins (OBPs) and eight chemosensory proteins (CSPs) in F.

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8

Mandiana Diakite, Mory, Juan Wang, Suliman Ali, and Man-Qun Wang. "Identification of chemosensory gene families in Rhyzopertha dominica (Coleoptera: Bostrichidae)." Canadian Entomologist 148, no. 1 (2015): 8–21. http://dx.doi.org/10.4039/tce.2015.13.

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AbstractChemoreception is a key process for insects. Odorant messages diffuse through the air and are translated into physiological signals by chemosensory receptor neurons in sensilla that are mainly located on insect antennae. We sequenced the antenna transcriptome of Rhyzopertha dominica (Fabricius) (Coleoptera: Bostrichidae), which is a serious pest of stored grains throughout regions with warm climates, and performed transcriptome analysis on R. dominica antennae. We obtained 57 million 90-base pair-long reads that we assembled into 37 877 unigenes with a mean size of 1007 base pairs. Pre

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9

Liu, Guoxia, Ning Xuan, Balaji Rajashekar, Philippe Arnaud, Bernard Offmann, and Jean-François Picimbon. "Comprehensive History of CSP Genes: Evolution, Phylogenetic Distribution and Functions." Genes 11, no. 4 (2020): 413. http://dx.doi.org/10.3390/genes11040413.

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In this review we present the developmental, histological, evolutionary and functional properties of insect chemosensory proteins (CSPs) in insect species. CSPs are small globular proteins folded like a prism and notoriously known for their complex and arguably obscure function(s), particularly in pheromone olfaction. Here, we focus on direct functional consequences on protein function depending on duplication, expression and RNA editing. The result of our analysis is important for understanding the significance of RNA-editing on functionality of CSP genes, particularly in the brain tissue.

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10

Johny, Jibin, Ewald Große-Wilde, Blanka Kalinová, and Amit Roy. "Antennal Transcriptome Screening and Identification of Chemosensory Proteins in the Double-Spine European Spruce Bark Beetle, Ips duplicatus (Coleoptera: Scolytinae)." International Journal of Molecular Sciences 25, no. 17 (2024): 9513. http://dx.doi.org/10.3390/ijms25179513.

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The northern bark beetle, Ips duplicatus, is an emerging economic pest, reportedly infesting various species of spruce (Picea spp.), pine (Pinus spp.), and larch (Larix spp.) in Central Europe. Recent climate changes and inconsistent forest management practices have led to the rapid spread of this species, leaving the current monitoring strategies inefficient. As understanding the molecular components of pheromone detection is key to developing novel control strategies, we generated antennal transcriptomes from males and females of this species and annotated the chemosensory proteins. We ident

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Segura-León, Obdulia L., Brenda Torres-Huerta, Alan Rubén Estrada-Pérez, et al. "Identification of Candidate Chemosensory Gene Families by Head Transcriptomes Analysis in the Mexican Fruit Fly, Anastrepha ludens Loew (Diptera: Tephritidae)." International Journal of Molecular Sciences 23, no. 18 (2022): 10531. http://dx.doi.org/10.3390/ijms231810531.

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Insect chemosensory systems, such as smell and taste, are mediated by chemosensory receptor and non-receptor protein families. In the last decade, many studies have focused on discovering these families in Tephritidae species of agricultural importance. However, to date, there is no information on the Mexican fruit fly Anastrepha ludens Loew, a priority pest of quarantine importance in Mexico and other countries. This work represents the first effort to identify, classify and characterize the six chemosensory gene families by analyzing two head transcriptomes of sexually immature and mature ad

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He, Wanjie, Hanying Meng, Yu Zhang, et al. "Identification of candidate chemosensory genes in the antennal transcriptome of Monolepta signata." PLOS ONE 19, no. 6 (2024): e0301177. http://dx.doi.org/10.1371/journal.pone.0301177.

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In the polyphagous insect Monolepta signata (M. signata) (Coleoptera: Chrysomelidae), antennae are important for olfactory reception used during feeding, mating, and finding a suitable oviposition site. Based on NextSeq 6000 Illumina sequencing, we assembled the antennal transcriptome of mated M. signata and described the first chemosensory gene repertoire expressed in this species. The relative expression levels of some significant chemosensory genes were conducted by quantitative real-time PCR. We identified 114 olfactory-related genes based on the antennal transcriptome database of M. signa

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Dong, Yonghao, Tong Li, Jin Liu, et al. "Sex- and stage-dependent expression patterns of odorant-binding and chemosensory protein genes in Spodoptera exempta." PeerJ 9 (September 13, 2021): e12132. http://dx.doi.org/10.7717/peerj.12132.

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As potential molecular targets for developing novel pest management strategies, odorant-binding proteins (OBPs) and chemosensory proteins (CSPs) have been considered to initiate odor recognition in insects. Herein, we investigated the OBPs and CSPs in a major global crop pest (Spodoptera exempta). Using transcriptome analysis, we identified 40 OBPs and 33 CSPs in S. exempta, among which 35 OBPs and 29 CSPs had intact open reading frames. Sequence alignment indicated that 30 OBPs and 23 CSPs completely contained the conserved cysteines. OBPs of lepidopteran insects usually belonged to classical

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14

Liu, Liu, Guisheng Qiu, Huaijiang Zhang, Qiang Yue, Wentao Yan, and Lina Sun. "Molecular Characterization of Three Chemosensory Proteins from Carposina sasakii." Agriculture 13, no. 11 (2023): 2066. http://dx.doi.org/10.3390/agriculture13112066.

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The peach fruit moth, Carposina sasakii, is part of the Carposinidae, and is harmful to the families Rosaceae and Rhamnaceae. C. sasakii lays eggs on the hairy surface of the fruit’s stalk cavity and calyx end. After hatching, the moth can bore into the fruits and feed on the flesh inside. Chemosensory proteins (CSPs) are a class of low-molecular-weight soluble carrier proteins that are highly evolutionarily conserved. To enhance our understanding of the recognition of host plant volatiles by CSPs of C. sasakii, the expression patterns and binding characteristics of CsasCSP7, CsasCSP9 and Csas

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González-González, Angélica, María E. Rubio-Meléndez, Gabriel I. Ballesteros, Claudio C. Ramírez, and Rubén Palma-Millanao. "Sex- and tissue-specific expression of odorant-binding proteins and chemosensory proteins in adults of the scarab beetle Hylamorpha elegans (Burmeister) (Coleoptera: Scarabaeidae)." PeerJ 7 (June 12, 2019): e7054. http://dx.doi.org/10.7717/peerj.7054.

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In this study, we addressed the sex- and tissue-specific expression patterns of odorant-binding proteins (OBPs) and chemosensory proteins (CSPs) in Hylamorpha elegans (Burmeister), an important native scarab beetle pest species from Chile. Similar to other members of its family, this scarab beetle exhibit habits that make difficult to control the pest by conventional methods. Hence, alternative ways to manage the pest populations based on chemical communication and signaling (such as disrupting mating or host finding process) are highly desirable. However, developing pest-control methods based

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16

Jia, Qian, Hui Zeng, Jinbing Zhang, et al. "The Crystal Structure of the Spodoptera litura Chemosensory Protein CSP8." Insects 12, no. 7 (2021): 602. http://dx.doi.org/10.3390/insects12070602.

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Spodoptera litura F. is a generalist herbivore and one of the most important economic pests feeding on about 300 host plants in many Asian countries. Specific insect behaviors can be stimulated after recognizing chemicals in the external environment through conserved chemosensory proteins (CSPs) in chemoreceptive organs, which are critical components of the olfactory systems. To explore its structural basis for ligand-recognizing capability, we solved the 2.3 Å crystal structure of the apoprotein of S. litura CSP8 (SlCSP8). The SlCSP8 protein displays a conserved spherical shape with a negativ

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Xu, Ji-Wei, Xiu-Yun Zhu, Qiu-Jie Chao, et al. "Chemosensory Gene Families in the Oligophagous Pear Pest Cacopsylla chinensis (Hemiptera: Psyllidae)." Insects 10, no. 6 (2019): 175. http://dx.doi.org/10.3390/insects10060175.

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Chemosensory systems play an important role in insect behavior, and some key associated genes have potential as novel targets for pest control. Cacopsylla chinensis is an oligophagous pest and has become one of the main pests of pear trees, but little is known about the molecular-level means by which it locates its hosts. In this study, we assembled the head transcriptome of C. chinensis using Illumina sequencing, and 63,052 Unigenes were identified. A total of 36 candidate chemosensory genes were identified, including five different families: 12 odorant binding proteins (OBPs), 11 chemosensor

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Li, Zhenxiao, Liu Liu, Shixiang Zong, and Jing Tao. "Molecular Characterization and Expression Profiling of Chemosensory Proteins in Male Eogystia hippophaecolus (Lepidoptera: Cossidae)." Journal of Entomological Science 56, no. 2 (2021): 217–34. http://dx.doi.org/10.18474/0749-8004-56.2.217.

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Abstract Eogystia hippophaecolus Hua, Chou, Fang et Chen (Lepidoptera: Cossidae) is a notorious carpenterworm pest of sea buckthorn, Hippophae rhamnoides L. (Elaeagnaceae). Chemosensory proteins (CSPs) are thought to be responsible for initial biochemical recognition during olfactory perception by the insect. We examined the structure, function, and expression profiles of these proteins in four structures (e.g., antennae, labipalp, legs, and external genitalia) of male adults. Molecular weight, isoelectric point, hydrophilicity and hydrophobicity of proteins, and signal peptide prediction of 1

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Guo, Shibao, Panjing Liu, Yin Tang, Junhua Chen, Tao Zhang, and Hongmin Liu. "Identification and expression profiles of olfactory-related genes in the antennal transcriptome of Graphosoma rubrolineatum (Hemiptera: Pentatomidae)." PLOS ONE 19, no. 8 (2024): e0306986. http://dx.doi.org/10.1371/journal.pone.0306986.

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Graphosoma rubrolineatum (Hemiptera: Pentatomidae) is an important pest of vegetables and herbs (e.g., Umbelliferae and Cruciferae) in China, Siberia, Korea, and Japan. Insects are highly dependent on their olfactory system to detect odorants. However, no molecular-mediated olfactory genes in G. rubrolineatum have yet been identified. In this study, we first established the antennal transcriptome of G. rubrolineatum and identified 189 candidate olfactory genes, including 31 odorant-binding proteins (OBPs), 15 chemosensory proteins (CSPs), four sensory neuron membrane proteins (SNMPs),94 odoran

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Du, Yali, Kai Xu, Weihua Ma, et al. "Contact Chemosensory Genes Identified in Leg Transcriptome of Apis cerana cerana (Hymenoptera: Apidae)." Journal of Economic Entomology 112, no. 5 (2019): 2015–29. http://dx.doi.org/10.1093/jee/toz130.

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Abstract Correct gustatory recognition and selection of foods both within and outside the hive by honey bee workers are fundamental to the maintenance of colonies. The tarsal chemosensilla located on the legs of workers are sensitive to nonvolatile compounds and proposed to be involved in gustatory detection. However, little is known about the molecular mechanisms underlying the gustatory recognition of foods in honey bees. In the present study, RNA-seq was performed with RNA samples extracted from the legs of 1-, 10-, and 20-d-old workers of Apis cerana cerana Fabricius, a dominant indigenous

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Wu, Zheran, Na Tong, Yang Li, Jinmeng Guo, Min Lu, and Xiaolong Liu. "Foreleg Transcriptomic Analysis of the Chemosensory Gene Families in Plagiodera versicolora (Coleoptera: Chrysomelidae)." Insects 13, no. 9 (2022): 763. http://dx.doi.org/10.3390/insects13090763.

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Plagiodera versicolora (Coleoptera: Chrysomelidae) is a worldwide leaf-eating forest pest in salicaceous trees. The forelegs play important roles in the chemoreception of insects. In this study, we conducted a transcriptome analysis of adult forelegs in P. versicolora and identified a total of 53 candidate chemosensory genes encoding 4 chemosensory proteins (CSPs), 19 odorant binding proteins (OBPs), 10 odorant receptors (ORs), 10 gustatory receptors (GRs), 6 ionotropic receptors (IRs), and 4 sensory neuron membrane proteins (SNMPs). Compared with the previous antennae transcriptome data, 1 CS

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Singh, Sujata, Chetna Tyagi, Irfan A. Rather, et al. "Molecular Modeling of Chemosensory Protein 3 from Spodoptera litura and Its Binding Property with Plant Defensive Metabolites." International Journal of Molecular Sciences 21, no. 11 (2020): 4073. http://dx.doi.org/10.3390/ijms21114073.

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Chemosensory perception in insects involves a broad set of chemosensory proteins (CSPs) that identify the bouquet of chemical compounds present in the external environment and regulate specific behaviors. The current study is focused on the Spodoptera litura (Fabricius) chemosensory-related protein, SlitCSP3, a midgut-expressed CSP, which demonstrates differential gene expression upon different diet intake. There is an intriguing possibility that SlitCSP3 can perceive food-derived chemical signals and modulate insect feeding behavior. We predicted the three-dimensional structure of SlitCSP3 an

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Chang, Xuefei, Yaluan Bi, Haipeng Chi, et al. "Identification and Expression Analysis of Odorant-Binding and Chemosensory Protein Genes in Virus Vector Nephotettix cincticeps." Insects 13, no. 11 (2022): 1024. http://dx.doi.org/10.3390/insects13111024.

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The insect odorant binding proteins (OBPs) and chemosensory proteins (CSPs) are involved in the perception and discrimination of insects to host odor cues. Nephotettix cincticeps, one of the destructive pests of rice plants, not only directly damages hosts by sucking, but also indirectly transmits plant viruses in the field. Previous study found that two rice volatiles ((E)-β-caryophyllene and 2-heptanol) induced by rice dwarf virus (RDV) mediated the olfactory behavior of N. cincticeps, which may promote virus dispersal. However, the OBPs and CSPs in N. cincticeps are still unknown. In this s

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Li, Lu-Lu, Ji-Wei Xu, Wei-Chen Yao, et al. "Chemosensory genes in the head of Spodoptera litura larvae." Bulletin of Entomological Research 111, no. 4 (2021): 454–63. http://dx.doi.org/10.1017/s0007485321000109.

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AbstractThe tobacco cutworm Spodoptera litura (Lepidoptera: Noctuidae) is a polyphagous pest with a highly selective and sensitive chemosensory system involved in complex physiological behaviors such as searching for food sources, feeding, courtship, and oviposition. However, effective management strategies for controlling the insect pest populations under threshold levels are lacking. Therefore, there is an urgent need to formulate eco-friendly pest control strategies based on the disruption of the insect chemosensory system. In this study, we identified 158 putative chemosensory genes based

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MOSBAH, Amor, Valérie CAMPANACCI, Audrey LARTIGUE, Mariella TEGONI, Christian CAMBILLAU, and Hervé DARBON. "Solution structure of a chemosensory protein from the moth Mamestra brassicae." Biochemical Journal 369, no. 1 (2003): 39–44. http://dx.doi.org/10.1042/bj20021217.

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Chemosensory proteins (CSPs) are believed to be involved in chemical communication and perception. A number of such proteins, of molecular mass 13kDa, have been isolated from different sensory organs of a wide range of insect species. Several CSPs have been identified in the antennae and proboscis of the moth Mamestra brassicae. CSPMbraA6, a 112-amino-acid antennal protein, has been expressed in a soluble form in large quantities in the Escherichi coli periplasm. NMR structure determination of CSPMbraA6 has been performed with 1H- and 15N-labelled samples. The calculated structures present an

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Wulff, Juan P., Diego F. Segura, Francisco Devescovi, et al. "Identification and characterization of soluble binding proteins associated with host foraging in the parasitoid wasp Diachasmimorpha longicaudata." PLOS ONE 16, no. 6 (2021): e0252765. http://dx.doi.org/10.1371/journal.pone.0252765.

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The communication and reproduction of insects are driven by chemical sensing. During this process, chemical compounds are transported across the sensillum lymph to the sensory neurons assisted by different types of soluble binding proteins: odorant-binding proteins (OBPs); chemosensory proteins (CSPs); some members of ML-family proteins (MD-2 (myeloid differentiation factor-2)-related Lipid-recognition), also known as NPC2-like proteins. Potential transcripts involved in chemosensing were identified by an in silico analysis of whole-body female and male transcriptomes of the parasitic wasp Dia

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Gong, L., Q. Luo, M. Rizwan-ul-Haq, and M. Y. Hu. "Cloning and characterization of three chemosensory proteins from Spodoptera exigua and effects of gene silencing on female survival and reproduction." Bulletin of Entomological Research 102, no. 5 (2012): 600–609. http://dx.doi.org/10.1017/s0007485312000168.

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AbstractInsect chemosensory proteins (CSPs) are supposed to transport hydrophobic chemicals to receptors on sensory neurons. However, CSPs are broadly expressed in various insect tissues, suggesting their involvement in the physiological processes beyond chemoreception. So, the exact physiological roles of CSPs in insects still need to be unraveled. In this study, three full-length of CSP genes from Spodoptera exigua have been cloned and characterized. The deduced amino acid sequences of SexiCSP1, SexiCSP2 and SexiCSP3 revealed open reading frames of 128, 128 and 126 amino acids, respectively,

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Lin, X., Y. Jiang, L. Zhang, and Y. Cai. "Effects of insecticides chlorpyrifos, emamectin benzoate and fipronil on Spodoptera litura might be mediated by OBPs and CSPs." Bulletin of Entomological Research 108, no. 5 (2017): 658–66. http://dx.doi.org/10.1017/s0007485317001195.

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AbstractSpodoptera litura is a widespread polyphagous insect pest that can develop resistance and cross-resistance to insecticides, making it difficult to control. Insecticide exposure has previously been linked with induction of specific olfactory-related proteins, including some chemosensory proteins (CSPs) and odorant-binding proteins (OPBs), which may disrupt detection of environmental factors and reduce fitness. However, functional evidence supporting insecticide and OBPs/CSPs mediation remains unknown. Here we fed male S. litura moths with sucrose water containing one of three insecticid

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Xin, Zhaozhe, Dawei Huang, Dan Zhao, Jiaxing Li, Xianqin Wei, and Jinhua Xiao. "Genome-Wide Analysis of Chemosensory Protein Genes (CSPs) Family in Fig Wasps (Hymenoptera, Chalcidoidea)." Genes 11, no. 10 (2020): 1149. http://dx.doi.org/10.3390/genes11101149.

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Chemosensory proteins (CSP) are a class of acidic soluble proteins which have various functions in chemoreception, resistance and immunity, but we still have very little knowledge on this gene family in fig wasps, a peculiar insects group (Hymenoptera, Chalcidoidea) that shelter in the fig syconia of Ficus trees. Here, we made the first comprehensive analysis of CSP gene family in the 11 fig wasps at whole-genome level. We manually annotated 104 CSP genes in the genomes of the 11 fig wasps, comprehensively analyzed them in gene characteristics, conserved cysteine patterns, motif orders, phylog

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Jia, Chen, Amr Mohamed, Alberto Maria Cattaneo, et al. "Odorant-Binding Proteins and Chemosensory Proteins in Spodoptera frugiperda: From Genome-Wide Identification and Developmental Stage-Related Expression Analysis to the Perception of Host Plant Odors, Sex Pheromones, and Insecticides." International Journal of Molecular Sciences 24, no. 6 (2023): 5595. http://dx.doi.org/10.3390/ijms24065595.

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Spodoptera frugiperda is a worldwide generalist pest with remarkable adaptations to environments and stresses, including developmental stage-related behavioral and physiological adaptations, such as diverse feeding preferences, mate seeking, and pesticide resistance. Insects’ odorant-binding proteins (OBPs) and chemosensory proteins (CSPs) are essential for the chemical recognition during behavioral responses or other physiological processes. The genome-wide identification and the gene expression patterns of all these identified OBPs and CSPs across developmental stage-related S. frugiperda ha

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Tang, Liangde, Jimin Liu, Lihui Liu, Yonghao Yu, Haiyan Zhao, and Wen Lu. "De Novo Transcriptome Identifies Olfactory Genes in Diachasmimorpha longicaudata (Ashmead)." Genes 11, no. 2 (2020): 144. http://dx.doi.org/10.3390/genes11020144.

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Diachasmimoorpha longicaudata (Ashmead, D. longicaudata) (Hymenoptera: Braconidae) is a solitary species of parasitoid wasp and widely used in integrated pest management (IPM) programs as a biological control agent in order to suppress tephritid fruit flies of economic importance. Although many studies have investigated the behaviors in the detection of their hosts, little is known of the molecular information of their chemosensory system. We assembled the first transcriptome of D. longgicaudata using transcriptome sequencing and identified 162,621 unigenes for the Ashmead insects in response

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Vyas, Meenal, Kamala Jayanthi Pagadala Damodaram, and Gandham Krishnarao. "Antennal Transcriptome of the Fruit-Sucking Moth Eudocima materna: Identification of Olfactory Genes and Preliminary Evidence for RNA-Editing Events in Odorant Receptors." Genes 13, no. 7 (2022): 1207. http://dx.doi.org/10.3390/genes13071207.

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Unappealing shriveled fruits are a characteristic of one of the most elusive fruit pests. The perpetrator, Eudocima materna, attacks the fruit at a fully formed stage and, therefore, the antennal transcriptome for this insect was deduced to identify the molecular elicitors involved in the attraction to its host plants. A total of 260 olfactory genes, including 16 odorant-binding proteins (OBPs), four pheromone-binding proteins (PBPs), 40 antennal-binding proteins (ABPs), 178 odorant receptors (ORs), 17 chemosensory proteins (CSPs) and five sensory neuron membrane proteins (SNMPs) were identifi

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Zhu, Jia-Ying, Ning Zhao, and Bin Yang. "Global Transcriptional Analysis of Olfactory Genes in the Head of Pine Shoot Beetle,Tomicus yunnanensis." Comparative and Functional Genomics 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/491748.

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The most important proteins involved in olfaction include odorant binding protein (OBP), chemosensory protein (CSP), olfactory receptor (OR), and gustatory receptor (GR). Despite that the exhaustive genomic analysis has revealed a large number of olfactory genes in a number of model insects, it is still poorly understood for most nonmodel species. This is mostly due to the reason that the small antenna is challenging for collection. We can generally isolate one or few genes at a time by means of the traditional method. Here, we present the large-scale identifying members of the main olfactory

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Zhang, Ya-Nan, Xiu-Yun Zhu, Ji-Fang Ma, et al. "Molecular identification and expression patterns of odorant binding protein and chemosensory protein genes inAthetis lepigone(Lepidoptera: Noctuidae)." PeerJ 5 (March 30, 2017): e3157. http://dx.doi.org/10.7717/peerj.3157.

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The olfaction system of insects plays an important role in mediating various physiological behaviors, including locating hosts, avoiding predators, and recognizing mates and oviposition sites. Therefore, some key genes in the system present valuable opportunities as targets for developing novel green pesticides.Athetis lepigone, a noctuid moth can feed on more than 30 different host plants making it a serious polyphagous pest worldwide, and it has become one of the major maize pests in northern China since 2011. However, there are no reports on effective and environmentally friendly pesticides

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Pelosi, Paolo, Jiao Zhu, and Wolfgang Knoll. "Odorant-Binding Proteins as Sensing Elements for Odour Monitoring." Sensors 18, no. 10 (2018): 3248. http://dx.doi.org/10.3390/s18103248.

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Odour perception has been the object of fast growing research interest in the last three decades. Parallel to the study of the corresponding biological systems, attempts are being made to model the olfactory system with electronic devices. Such projects range from the fabrication of individual sensors, tuned to specific chemicals of interest, to the design of multipurpose smell detectors using arrays of sensors assembled in a sort of artificial nose. Recently, proteins have attracted increasing interest as sensing elements. In particular, soluble olfaction proteins, including odorant-binding p

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Li, Fen, Herbert Venthur, Shang Wang, Rafael A. Homem, and Jing-Jiang Zhou. "Evidence for the Involvement of the Chemosensory Protein AgosCSP5 in Resistance to Insecticides in the Cotton Aphid, Aphis gossypii." Insects 12, no. 4 (2021): 335. http://dx.doi.org/10.3390/insects12040335.

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It has been speculated that insect chemosensory proteins (CSPs) may have additional roles beyond olfaction. In this study, the phylogenetic and genomic analyses of the CSPs of the cotton aphid, Aphis gossypii, revealed the presence of gene gain-and-loss among different aphid field populations. Differential expressions of eight CSP genes were demonstrated after treatments with insecticides of different modes of action. The expression of AgosCSP5 was significantly upregulated by the insecticide treatments in a dose-dependent manner. The Drosophila flies overexpressing AgosCSP5 were significantly

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Xiao, Guipeng, Jintao Lu, Zhende Yang, Hengfei Fu, and Ping Hu. "A Study of Adult Olfactory Proteins of Primitive Ghost Moth, Endoclita signifer (Lepidoptera, Hepialidae)." Life 13, no. 12 (2023): 2264. http://dx.doi.org/10.3390/life13122264.

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Endoclita signifer is a prominent wood-boring insect species in eucalyptus plantations in Guangxi, China, causing significant ecological and economic damage. A novel approach to controlling the challenging wood-boring pest involves disrupting the olfactory communication between insects and the volatile compounds emitted by plants. To identify the olfactory proteins contributing to host selection based on 11 GC-EAD-active volatiles from eucalyptus leaves and to discover the highly expressed olfactory proteins, we conducted a study on the antennal transcriptomes of adult E. signifer and screened

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Liu, Yanqi, Yingning Luo, Lixiao Du, and Liping Ban. "Antennal Transcriptome Analysis of Olfactory Genes and Characterization of Odorant Binding Proteins in Odontothrips loti (Thysanoptera: Thripidae)." International Journal of Molecular Sciences 24, no. 6 (2023): 5284. http://dx.doi.org/10.3390/ijms24065284.

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To identify odors in complex environments accurately, insects have evolved multiple olfactory proteins. In our study, various olfactory proteins of Odontothrips loti Haliday, an oligophagous pest that primarily affects Medicago sativa (alfalfa), were explored. Specifically, 47 putative olfactory candidate genes were identified in the antennae transcriptome of O. loti, including seven odorant-binding proteins (OBPs), nine chemosensory proteins (CSPs), seven sensory neuron membrane proteins (SNMPs), eight odorant receptors (ORs), and sixteen ionotropic receptors (IRs). PCR analysis further confi

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Li, Hui, Sheng Qiao, Xiwen Hong, and Yangyang Wei. "Deciphering the Olfactory Mechanisms of Sitotroga cerealella Olivier (Lepidoptera: Gelechiidae): Insights from Transcriptome Analysis and Molecular Docking." Insects 16, no. 5 (2025): 461. https://doi.org/10.3390/insects16050461.

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Olfaction is crucial for insect activities such as host seeking, foraging, oviposition, and predator avoidance. While olfactory proteins have been identified across several insect species, their specific functions are largely enigmatic. In this study, we investigated the olfactory proteins of the Angoumois grain moth, Sitotroga cerealella Olivier. A total of 165 presumptive olfactory genes were identified in the antennal transcriptome of S. cerealella, encompassing 33 odorant-binding proteins (OBPs), 10 chemosensory proteins (CSPs), 58 odorant receptors (ORs), 41 ionotropic receptors (IRs), 21

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Li, Ya Ying, Rong Jiang Ma, Chuan Bei Tian, et al. "Molecular characterization of three Niemann–Pick type C2 proteins in the predatory mite Neoseiulus barkeri Hughes (Acari: Phytoseiidae)." Systematic and Applied Acarology 25, no. 8 (2020): 1421–32. http://dx.doi.org/10.11158/saa.25.8.5.

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In arthropods, a host of studies focused on insect olfactory systems, where most functional proteins including odorant-binding proteins (OBPs) and chemosensory proteins (CSPs) have been identified. However, in other arthropods such as ticks and mites, genes encoding for OBPs and CSPs are absent. The Niemann-Pick type C2 (NPC2), as a third class of binding proteins, was indicated as potential carriers for semiochemicals and participants in chemical communication. Here, we cloned three full-length NPC2 genes (NbNPC2-1, NbNPC2-2 and NbNPC2-3) from a predatory mite Neoseiulus barkeri Hughes (Acari

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Lin, Xinda, Yiwen Mao, and Ling Zhang. "Binding properties of four antennae-expressed chemosensory proteins (CSPs) with insecticides indicates the adaption of Spodoptera litura to environment." Pesticide Biochemistry and Physiology 146 (April 2018): 43–51. http://dx.doi.org/10.1016/j.pestbp.2018.02.011.

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Zhang, Mengke, Sumei Zhao, Zhiping Xue, et al. "Identification of Candidate Olfactory Genes in the Antennal Transcriptome of Loxostege sticticalis Trapped by Three Different Sex Pheromone Blends." Insects 16, no. 2 (2025): 152. https://doi.org/10.3390/insects16020152.

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Insects sense intraspecific or interspecific information about the chemical substances in the habitat through the sensitive olfactory system to carry out foraging, mating, oviposition, and other activities. The antennae serve as the primary olfactory organs in insects. The olfactory process involves the participation of many proteins, such as odorant-binding proteins (OBPs) and odorant receptors (ORs), but ORs play a central role in olfactory specificity and sensitivity. The beet webworm, Loxostege sticticalis, is an omnivorous agricultural pest that endangers crops and poses a significant ris

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Xi, Bo-Xin, Xiao-Ning Cui, Su-Qin Shang, et al. "Antennal Transcriptome Evaluation and Analysis for Odorant-Binding Proteins, Chemosensory Proteins, and Suitable Reference Genes in the Leaf Beetle Pest Diorhabda rybakowi Weise (Coleoptera: Chrysomelidae)." Insects 15, no. 4 (2024): 251. http://dx.doi.org/10.3390/insects15040251.

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Diorhabda rybakowi Weise is one of the dominant pests feeding on Nitraria spp., a pioneer plant used for windbreaking and sand fixation purposes, and poses a threat to local livestock and ecosystems. To clarify the key olfactory genes of D. rybakowi and provide a theoretical basis for attractant and repellent development, the optimal reference genes under two different conditions (tissue and sex) were identified, and the bioinformatics and characterization of the tissue expression profiles of two categories of soluble olfactory proteins (OBPs and CSPs) were investigated. The results showed tha

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Han, Han, Zhuoying Liu, Fanming Meng, Yangshuai Jiang, and Jifeng Cai. "Identification of olfactory genes of a forensically important blow fly, Aldrichina grahami (Diptera: Calliphoridae)." PeerJ 8 (August 5, 2020): e9581. http://dx.doi.org/10.7717/peerj.9581.

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Background The time-length between the first colonization of necrophagous insect on the corpse and the beginning of investigation represents the most important forensic concept of minimum post-mortem inference (PMImin). Before colonization, the time spent by an insect to detect and locate a corpse could significantly influence the PMImin estimation. The olfactory system plays an important role in insect food foraging behavior. Proteins like odorant binding proteins (OBPs), chemosensory proteins (CSPs), odorant receptors (ORs), ionotropic receptors (IRs) and sensory neuron membrane proteins (SN

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Han, Kai-Ru, Wen-Wen Wang, Wen-Qin Yang, Xian Li, Tong-Xian Liu, and Shi-Ze Zhang. "Characterization of CrufCSP1 and Its Potential Involvement in Host Location by Cotesia ruficrus (Hymenoptera: Braconidae), an Indigenous Parasitoid of Spodoptera frugiperda (Lepidoptera: Noctuidae) in China." Insects 14, no. 12 (2023): 920. http://dx.doi.org/10.3390/insects14120920.

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Chemosensory proteins (CSPs) are a class of soluble proteins that facilitate the recognition of chemical signals in insects. While CSP genes have been identified in many insect species, studies investigating their function remain limited. Cotesia ruficrus (Hymenoptera: Braconidae) holds promise as an indigenous biological control agent for managing the invasive pest Spodoptera frugiperda (Lepidoptera: Noctuidae) in China. This study aimed to shed light on the gene expression, ligand binding, and molecular docking of CrufCSP1 in C. ruficrus. A RT-qPCR analysis revealed that the expression of Cr

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Jiang, Jun, Jiayi Xue, Miaomiao Yu, et al. "Molecular Characterization of Chemosensory Protein (CSP) Genes and the Involvement of AgifCSP5 in the Perception of Host Location in the Aphid Parasitoid Aphidius gifuensis." International Journal of Molecular Sciences 25, no. 12 (2024): 6392. http://dx.doi.org/10.3390/ijms25126392.

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Aphidius gifuensis is the dominant parasitic natural enemy of aphids. Elucidating the molecular mechanism of host recognition of A. gifuensis would improve its biological control effect. Chemosensory proteins (CSPs) play a crucial role in insect olfactory systems and are mainly involved in host localization. In this study, a total of nine CSPs of A. gifuensis with complete open reading frames were identified based on antennal transcriptome data. Phylogenetic analysis revealed that AgifCSPs were mainly clustered into three subgroups (AgifCSP1/2/7/8, AgifCSP3/9, and AgifCSP4/5/6). AgifCSP2/5 sho

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Yin, Ningna, Dan Shen, Yinlan Liang, Pengfei Wang, Yonghe Li, and Naiyong Liu. "A Female-Biased Chemosensory Protein PxutCSP19 in the Antennae of Papilio xuthus Tuned to Host Volatiles and Insecticides." Insects 15, no. 7 (2024): 501. http://dx.doi.org/10.3390/insects15070501.

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Chemosensory protein (CSP) genes significantly enriched in the female antennae are potential molecular candidates for mediating female oviposition behaviors. In this study, we presented the interaction mechanisms of a female-antenna-biased PxutCSP19 in Papilio xuthus to 47 host volatiles, four biopesticides and 24 synthetic insecticides. Using a bioinformatics-based homology search, 22 genes orthologous to PxutCSP19 were identified from 22 other Papilio butterflies with high sequence identities to each other (73.20~98.72%). Multiple alignment analyses revealed a particularly extended N-terminu

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Ma, Weichao, Yaning Li, Lina Yang, and Shanchun Yan. "Sex Differences in Antennal Transcriptome of Hyphantria cunea and Analysis of Odorant Receptor Expression Profiles." International Journal of Molecular Sciences 25, no. 16 (2024): 9070. http://dx.doi.org/10.3390/ijms25169070.

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Insects rely on olfaction for mating, finding oviposition sites, and locating hosts. Hyphantria cunea is a serious pest that severely damages forests. Differential expression analysis of olfactory-related genes between males and females is the basis for elucidating the functions of olfactory-related proteins in H. cunea. In this study, Illumina HiSeqTM 4000 high-throughput sequencing technology was used to perform transcriptome sequencing of the antennal tissues of adult male and female H. cunea. Functional annotation was conducted using the NR, Swiss-Prot, KOG, KEGG, and GO databases, and the

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Chen, Wen-Bo, Li-Xiao Du, Xiao-Yan Gao, et al. "Identification of Odorant-Binding and Chemosensory Protein Genes in Mythimna separata Adult Brains Using Transcriptome Analyses." Frontiers in Physiology 13 (February 28, 2022). http://dx.doi.org/10.3389/fphys.2022.839559.

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Large numbers of chemosensory genes have been identified in the peripheral sensory organs of the pest Mythimna separata (Walker) to increase our understanding of chemoreception-related molecular mechanisms and to identify molecular targets for pest control. Chemosensory-related genes are expressed in various tissues, including non-sensory organs, and they play diverse roles. To better understand the functions of chemosensory-related genes in non-sensory organs, transcriptomic analyses of M. separata brains were performed. In total, 29 odorant-binding proteins (OBPs) and 16 chemosensory protein

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Jean-François, Picimbon. "Renaming Bombyx mori Chemosensory Proteins." May 29, 2014. https://doi.org/10.19070/2332-2756-140005e.

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This is a concise critical editorial about the functions described for a group of proteins from the family of Chemosensory Proteins (CSPs), particularly functions related to specific binding of odor chemosensory molecules. CSPs are small soluble proteins of a size comprised between 10-14 kDa and a flexible structure made of four Cysteine residues and six alpha-helices [1]. They are found to bind a large repertoire of ligand molecules mainly in the fatty acid category in most of all insect species. A specific function in binding odor chemosensory ligands has been proposed on the basis of the pr

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