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Journal articles on the topic 'Chemosensory gene'

Author: Grafiati

Published: 14 September 2024

Last updated: 31 July 2025

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1

Vizueta, Joel, Paula Escuer, Cristina Frías-López, et al. "Evolutionary History of Major Chemosensory Gene Families across Panarthropoda." Molecular Biology and Evolution 37, no. 12 (2020): 3601–15. http://dx.doi.org/10.1093/molbev/msaa197.

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Abstract Chemosensory perception is a fundamental biological process of particular relevance in basic and applied arthropod research. However, apart from insects, there is little knowledge of specific molecules involved in this system, which is restricted to a few taxa with uneven phylogenetic sampling across lineages. From an evolutionary perspective, onychophorans (velvet worms) and tardigrades (water bears) are of special interest since they represent the closest living relatives of arthropods, altogether comprising the Panarthropoda. To get insights into the evolutionary origin and diversi

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2

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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Wu, Qi, Xiang Zhou, Zheyuan Xu, Xufeng Zhang, Hongchao Yuan, and Jixing Guo. "Transcriptome Analysis and Identification of Chemosensory Membrane Proteins in the Head of Euplatypus parallelus." Insects 16, no. 5 (2025): 504. https://doi.org/10.3390/insects16050504.

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Euplatypus parallelus is a polyphagous pest capable of harming multiple plant species. Adult beetles invade tree trunks by boring holes, which negatively impacts the trees’ growth and may result in tree death. E. parallelus depends on plant volatiles to identify and locate appropriate hosts for feeding or reproduction, with its olfactory system playing a vital role in volatile detection. In this work, we applied transcriptomics, phylogenetic analysis, and expression analysis to investigate four chemosensory membrane protein gene families that play a role in olfaction in E. parallelus. Based on

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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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Rondoni, Gabriele, Alessandro Roman, Camille Meslin, Nicolas Montagné, Eric Conti, and Emmanuelle Jacquin-Joly. "Antennal Transcriptome Analysis and Identification of Candidate Chemosensory Genes of the Harlequin Ladybird Beetle, Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae)." Insects 12, no. 3 (2021): 209. http://dx.doi.org/10.3390/insects12030209.

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In predatory ladybirds (Coleoptera: Coccinellidae), antennae are important for chemosensory reception used during food and mate location, and for finding a suitable oviposition habitat. Based on NextSeq 550 Illumina sequencing, we assembled the antennal transcriptome of mated Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) males and females and described the first chemosensory gene repertoire expressed in this species. We annotated candidate chemosensory sequences encoding 26 odorant receptors (including the coreceptor, Orco), 17 gustatory receptors, 27 ionotropic receptors, 31 odorant-

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Braun, Thomas, Brigitte Mack, and Matthias F. Kramer. "Solitary chemosensory cells in the respiratory and vomeronasal epithelium of the human nose: a pilot study." Rhinology journal 49, no. 5 (2011): 507–12. http://dx.doi.org/10.4193/rhino11.121.

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Background: Recently, solitary chemosensory cells have been described in the respiratory and vomeronasal epithelium of the rodent nose. Expressing G-protein coupled receptors for sweet, umami and bitter taste transduction, these cells are thought to mediate trigeminal reflexes upon stimulation with chemical irritants. The present study analyzes human nasal mucosa for the presence of solitary chemosensory cells. Methodology: In human tissue samples from respiratory mucosa and the vomeronasal organ, gene expression of taste receptors families was studied in five patients using the Affymetrix Hum

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Braun, Thomas, Brigitte Mack, and Matthias F. Kramer. "Solitary chemosensory cells in the respiratory and vomeronasal epithelium of the human nose: a pilot study." Rhinology journal 49, no. 5 (2011): 507–12. http://dx.doi.org/10.4193/rhino.11.121.

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Background: Recently, solitary chemosensory cells have been described in the respiratory and vomeronasal epithelium of the rodent nose. Expressing G-protein coupled receptors for sweet, umami and bitter taste transduction, these cells are thought to mediate trigeminal reflexes upon stimulation with chemical irritants. The present study analyzes human nasal mucosa for the presence of solitary chemosensory cells. Methodology: In human tissue samples from respiratory mucosa and the vomeronasal organ, gene expression of taste receptors families was studied in five patients using the Affymetrix Hum

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8

Athrey, Giridhar, Zachary R. Popkin-Hall, Willem Takken, and Michel A. Slotman. "The Expression of Chemosensory Genes in Male Maxillary Palps of Anopheles coluzzii (Diptera: Culicidae) and An. quadriannulatus." Journal of Medical Entomology 58, no. 3 (2021): 1012–20. http://dx.doi.org/10.1093/jme/tjaa290.

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Abstract Because of its importance as a malaria vector, Anopheles coluzzii’s Coetzee & Wilkerson olfactory system has been studied extensively. Among this work is a series of studies comparing the expression of chemosensory genes in olfactory organs in females and/or males of these species. These have identified species- and female-biased chemosensory gene expression patterns. However, many questions remain about the role of chemosensation in male anopheline biology. To pave the way for future work we used RNAseq to compare chemosensory gene expression in the male maxillary palps of An. co

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9

Du, Hai-Tao, Jia-Qi Lu, Kun Ji, et al. "Comparative Transcriptomic Assessment of Chemosensory Genes in Adult and Larval Olfactory Organs of Cnaphalocrocis medinalis." Genes 14, no. 12 (2023): 2165. http://dx.doi.org/10.3390/genes14122165.

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The rice leaf folder, Cnaphalocrocis medinalis (Lepidoptera: Pyralidae), is a notorious pest of rice in Asia. The larvae and adults of C. medinalis utilize specialized chemosensory systems to adapt to different environmental odors and physiological behaviors. However, the differences in chemosensory genes between the olfactory organs of these two different developmental stages remain unclear. Here, we conducted a transcriptome analysis of larvae heads, male antennae, and female antennae in C. medinalis and identified 131 putative chemosensory genes, including 32 OBPs (8 novel OBPs), 23 CSPs (2

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Chen, N., S. Pai, Z. Zhao, et al. "Identification of a nematode chemosensory gene family." Proceedings of the National Academy of Sciences 102, no. 1 (2004): 146–51. http://dx.doi.org/10.1073/pnas.0408307102.

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Persat, Alexandre, Yuki F. Inclan, Joanne N. Engel, Howard A. Stone, and Zemer Gitai. "Type IV pili mechanochemically regulate virulence factors inPseudomonas aeruginosa." Proceedings of the National Academy of Sciences 112, no. 24 (2015): 7563–68. http://dx.doi.org/10.1073/pnas.1502025112.

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Bacteria have evolved a wide range of sensing systems to appropriately respond to environmental signals. Here we demonstrate that the opportunistic pathogenPseudomonas aeruginosadetects contact with surfaces on short timescales using the mechanical activity of its type IV pili, a major surface adhesin. This signal transduction mechanism requires attachment of type IV pili to a solid surface, followed by pilus retraction and signal transduction through the Chp chemosensory system, a chemotaxis-like sensory system that regulates cAMP production and transcription of hundreds of genes, including k

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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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Yohe, Laurel R., Matteo Fabbri, Michael Hanson, and Bhart-Anjan S. Bhullar. "Olfactory receptor gene evolution is unusually rapid across Tetrapoda and outpaces chemosensory phenotypic change." Current Zoology 66, no. 5 (2020): 505–14. http://dx.doi.org/10.1093/cz/zoaa051.

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Abstract Chemosensation is the most ubiquitous sense in animals, enacted by the products of complex gene families that detect environmental chemical cues and larger-scale sensory structures that process these cues. While there is a general conception that olfactory receptor (OR) genes evolve rapidly, the universality of this phenomenon across vertebrates, and its magnitude, are unclear. The supposed correlation between molecular rates of chemosensory evolution and phenotypic diversity of chemosensory systems is largely untested. We combine comparative genomics and sensory morphology to test wh

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Gebremedhin, Mebrahtu Berhe, Zhengmao Xu, Ceyan Kuang, et al. "Involvement of a Microplusin-like Gene (HlonML-1) in the Olfactory Chemosensation of Haemophysalis longicornis: Expression, RNA Silencing, and Behavioral Implications." Microorganisms 12, no. 11 (2024): 2269. http://dx.doi.org/10.3390/microorganisms12112269.

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The study of tick olfaction is relatively new compared to that of insects, and the molecular mechanisms involved remain poorly understood. Despite several potential chemosensory genes identified in multiple tick species, these are yet to be validated through independent functional experiments. In this research, we cloned and analyzed a microplusin-like gene, HlonML-1, and investigated its role in the chemosensory activities of H. longicornis. The results showed that this gene’s amino acid sequences lack histidine residues essential for antimicrobial activity, and it is evolutionarily linked to

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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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Lizana, Paula, Ana Mutis, Rubén Palma-Millanao, et al. "Transcriptomic and Gene Expression Analysis of Chemosensory Genes from White Grubs of Hylamorpha elegans (Coleoptera: Scarabaeidae), a Subterranean Pest in South America." Insects 15, no. 9 (2024): 660. http://dx.doi.org/10.3390/insects15090660.

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Olfaction and gustation processes play key roles in the life cycle of insects, such as finding and accepting food sources, oviposition sites, and mates, among other fundamental aspects of insect development. In this context, chemosensory genes found in sensory organs (e.g., antennae and maxillary palps) are crucial for understanding insect behaviour, particularly the phytophagous behaviour of insect pests that attack economically important crops. An example is the scarab beetle Hylamorpha elegans, which feeds on the roots of several crops important for livestock in its larval stage. In this st

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17

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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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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Sarafi-Reinach, Trina R., Tali Melkman, Oliver Hobert, and Piali Sengupta. "The lin-11 LIM homeobox gene specifies olfactory and chemosensory neuron fates in C. elegans." Development 128, no. 17 (2001): 3269–81. http://dx.doi.org/10.1242/dev.128.17.3269.

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Chemosensory neuron diversity in C. elegans arises from the action of transcription factors that specify different aspects of sensory neuron fate. In the AWB and AWA olfactory neurons, the LIM homeobox gene lim-4 and the nuclear hormone receptor gene odr-7 are required to confer AWB and AWA-specific characteristics respectively, and to repress an AWC olfactory neuron-like default fate. Here, we show that AWA neuron fate is also regulated by a member of the LIM homeobox gene family, lin-11. lin-11 regulates AWA olfactory neuron differentiation by initiating expression of odr-7, which then autor

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Mo, Ran, Siqi Zhu, Yuanyuan Chen, Yuqian Li, Yugeng Liu, and Beile Gao. "The evolutionary path of chemosensory and flagellar macromolecular machines in Campylobacterota." PLOS Genetics 18, no. 7 (2022): e1010316. http://dx.doi.org/10.1371/journal.pgen.1010316.

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The evolution of macromolecular complex is a fundamental biological question, which is related to the origin of life and also guides our practice in synthetic biology. The chemosensory system is one of the complex structures that evolved very early in bacteria and displays enormous diversity and complexity in terms of composition and array structure in modern species. However, how the diversity and complexity of the chemosensory system evolved remains unclear. Here, using the Campylobacterota phylum with a robust “eco-evo” framework, we investigated the co-evolution of the chemosensory system

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Presente, Asaf, Susan Shaw, Jeffrey S. Nye, and Andrew J. Andres. "Transgene-mediated RNA interference defines a novel role for notch in chemosensory startle behavior." genesis 34, no. 1-2 (2002): 165–69. http://dx.doi.org/10.1002/gene.10149.

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22

Isono, Kunio, Kohei Ueno, Masayuki Ohta, and Hiromi Morita. "Drosophila sweet taste receptor." Pure and Applied Chemistry 74, no. 7 (2002): 1159–65. http://dx.doi.org/10.1351/pac200274071159.

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Like the Sac locus controlling sugar sensitivity in mice, the taste gene Tre of the fruitfly Drosophila was discovered in wild populations as a genetic dimorphism controlling gustatory sensitivity to a sugar trehalose. By activating a P-element transposon near the gene locus we obtained induced Tre mutations and analyzed the associated changes in gene organizations and the mRNA expressions. The analysis showed that Tre is identical to Gr5a, a gene that belongs to a novel seven-transmembrane receptor family expressed in chemosensory neurons and predicted to encode chemosensory receptors. Thus,

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Kirby, J. R., and D. R. Zusman. "Chemosensory regulation of developmental gene expression in Myxococcus xanthus." Proceedings of the National Academy of Sciences 100, no. 4 (2003): 2008–13. http://dx.doi.org/10.1073/pnas.0330944100.

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Gautier, Philippe, Valérie Ledent, Marc Massaer, Christine Dambly-Chaudière, and Alain Ghysen. "tap, a Drosophila bHLH gene expressed in chemosensory organs." Gene 191, no. 1 (1997): 15–21. http://dx.doi.org/10.1016/s0378-1119(97)00021-8.

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Dong, Dong, Ke Jin, Xiaoli Wu, and Yang Zhong. "CRDB: Database of Chemosensory Receptor Gene Families in Vertebrate." PLoS ONE 7, no. 2 (2012): e31540. http://dx.doi.org/10.1371/journal.pone.0031540.

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Olafson, Pia Untalan, and Christopher A. Saski. "Chemosensory-Related Gene Family Members of the Horn Fly, Haematobia irritans irritans (Diptera: Muscidae), Identified by Transcriptome Analysis." Insects 11, no. 11 (2020): 816. http://dx.doi.org/10.3390/insects11110816.

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Horn flies are one of the most significant economic pests of cattle in the United States and worldwide. Chemical control methods have been routinely utilized to reduce populations of this pest, but the steady development of insecticide resistance has prompted evaluation of alternative control strategies. Behavior modifying compounds from natural products have shown some success in impacting horn fly populations, and a more thorough understanding of the horn fly chemosensory system would enable improvements in the development of species-specific compounds. Using an RNA-seq approach, we assemble

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Vowels, J. J., and J. H. Thomas. "Genetic analysis of chemosensory control of dauer formation in Caenorhabditis elegans." Genetics 130, no. 1 (1992): 105–23. http://dx.doi.org/10.1093/genetics/130.1.105.

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Abstract Dauer larva formation in Caenorhabditis elegans is controlled by chemosensory cells that respond to environmental cues. Genetic interactions among mutations in 23 genes that affect dauer larva formation were investigated. Mutations in seven genes that cause constitutive dauer formation, and mutations in 16 genes that either block dauer formation or result in the formation of abnormal dauers, were analyzed. Double mutants between dauer-constitutive and dauer-defective mutations were constructed and characterized for their capacity to form dauer larvae. Many of the genes could be interp

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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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Mainland, Joel D., Linda A. Barlow, Steven D. Munger, et al. "Identifying Treatments for Taste and Smell Disorders: Gaps and Opportunities." Chemical Senses 45, no. 7 (2020): 493–502. http://dx.doi.org/10.1093/chemse/bjaa038.

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Abstract The chemical senses of taste and smell play a vital role in conveying information about ourselves and our environment. Tastes and smells can warn against danger and also contribute to the daily enjoyment of food, friends and family, and our surroundings. Over 12% of the US population is estimated to experience taste and smell (chemosensory) dysfunction. Yet, despite this high prevalence, long-term, effective treatments for these disorders have been largely elusive. Clinical successes in other sensory systems, including hearing and vision, have led to new hope for developments in the t

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Santos, Pablo S. C., Maja Mezger, Miriam Kolar, Frank-Uwe Michler, and Simone Sommer. "The best smellers make the best choosers: mate choice is affected by female chemosensory receptor gene diversity in a mammal." Proceedings of the Royal Society B: Biological Sciences 285, no. 1893 (2018): 20182426. http://dx.doi.org/10.1098/rspb.2018.2426.

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The products of the genes of the major histocompatibility complex (MHC) are known to be drivers of pathogen resistance and sexual selection enhancing offspring genetic diversity. The MHC further influences individual odour types and social communication. However, little is known about the receptors and their volatile ligands that are involved in this type of chemical communication. Here, we have investigated chemosensory receptor genes that ultimately enable females to assess male genes through odour cues. As a model, we used an invasive population of North American raccoons ( Procyon lotor )

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Kaleem Ullah, Rana Muhammad, Bao Jia, Sheng Liang, Aatika Sikandar, Fukun Gao, and Haiyan Wu. "Uncovering the Chemosensory System of a Subterranean Termite, Odontotermes formosanus (Shiraki) (Isoptera: Termitidae): Revealing the Chemosensory Genes and Gene Expression Patterns." Insects 14, no. 11 (2023): 883. http://dx.doi.org/10.3390/insects14110883.

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Termites are eusocial insects. Chemical signals between colony members are crucial to the smooth running of colony operations, but little is known about their olfactory system and the roles played by various chemosensory genes in this process. Chemosensory genes are involved in basic olfactory perception in insects. Odontotermes formosanus (Shiraki) is one of the most damaging pests to agricultural crops, forests, and human-made structures. To better understand the olfactory system and the genes involved in olfactory processing in O. formosanus, we produced a transcriptome of worker termites.

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van Schooten, Bas, Jesyka Meléndez-Rosa, Steven M. Van Belleghem, et al. "Divergence of chemosensing during the early stages of speciation." Proceedings of the National Academy of Sciences 117, no. 28 (2020): 16438–47. http://dx.doi.org/10.1073/pnas.1921318117.

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Chemosensory communication is essential to insect biology, playing indispensable roles during mate-finding, foraging, and oviposition behaviors. These traits are particularly important during speciation, where chemical perception may serve to establish species barriers. However, identifying genes associated with such complex behavioral traits remains a significant challenge. Through a combination of transcriptomic and genomic approaches, we characterize the genetic architecture of chemoperception and the role of chemosensing during speciation for a young species pair ofHeliconiusbutterflies,He

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Sánchez-Gracia, A., F. G. Vieira, and J. Rozas. "Molecular evolution of the major chemosensory gene families in insects." Heredity 103, no. 3 (2009): 208–16. http://dx.doi.org/10.1038/hdy.2009.55.

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Capello, Luca, Daniele Roppolo, Véronique Pauli Jungo, Paul Feinstein, and Ivan Rodriguez. "A common gene exclusion mechanism used by two chemosensory systems." European Journal of Neuroscience 29, no. 4 (2009): 671–78. http://dx.doi.org/10.1111/j.1460-9568.2009.06630.x.

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Eyun, Seong-il, Ho Young Soh, Marijan Posavi, et al. "Evolutionary History of Chemosensory-Related Gene Families across the Arthropoda." Molecular Biology and Evolution 34, no. 8 (2017): 1838–62. http://dx.doi.org/10.1093/molbev/msx147.

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Pelaez, J.N., A.D. Gloss, and B. Goldman-Huertas. "Evolution of chemosensory and detoxification gene families across herbivorous Drosophilidae." G3, 13(8 jkad133) (June 7, 2023): 1–17. https://doi.org/10.5281/zenodo.14758354.

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Mappin, Fredis, Anthony J. Bellantuono, Babak Ebrahimi, and Matthew DeGennaro. "Odor-evoked transcriptomics of Aedes aegypti mosquitoes." PLOS ONE 18, no. 10 (2023): e0293018. http://dx.doi.org/10.1371/journal.pone.0293018.

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Modulation of odorant receptors mRNA induced by prolonged odor exposure is highly correlated with ligand-receptor interactions in Drosophila as well as mammals of the Muridae family. If this response feature is conserved in other organisms, this presents an intriguing initial screening tool when searching for novel receptor-ligand interactions in species with predominantly orphan olfactory receptors. We demonstrate that mRNA modulation in response to 1-octen-3-ol odor exposure occurs in a time- and concentration-dependent manner in Aedes aegypti mosquitoes. To investigate gene expression patte

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Garrett, Eva C., and Michael E. Steiper. "Strong links between genomic and anatomical diversity in both mammalian olfactory chemosensory systems." Proceedings of the Royal Society B: Biological Sciences 281, no. 1783 (2014): 20132828. http://dx.doi.org/10.1098/rspb.2013.2828.

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Mammalian olfaction comprises two chemosensory systems: the odorant-detecting main olfactory system (MOS) and the pheromone-detecting vomeronasal system (VNS). Mammals are diverse in their anatomical and genomic emphases on olfactory chemosensation, including the loss or reduction of these systems in some orders. Despite qualitative evidence linking the genomic evolution of the olfactory systems to specific functions and phenotypes, little work has quantitatively tested whether the genomic aspects of the mammalian olfactory chemosensory systems are correlated to anatomical diversity. We show t

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Lundquist, E. A., R. K. Herman, T. M. Rogalski, G. P. Mullen, D. G. Moerman, and J. E. Shaw. "The mec-8 gene of C. elegans encodes a protein with two RNA recognition motifs and regulates alternative splicing of unc-52 transcripts." Development 122, no. 5 (1996): 1601–10. http://dx.doi.org/10.1242/dev.122.5.1601.

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Mutations in the mec-8 gene of Caenorhabditis elegans were previously shown to affect the functions of body wall muscle and mechanosensory and chemosensory neurons. Mutations in mec-8 also strongly enhance the mutant phenotype of specific mutations in unc-52, a gene that encodes, via alternative splicing of pre-mRNA, a set of basement membrane proteins, homologs of perlecan, that are important for body wall muscle assembly and attachment to basement membrane, hypodermis and cuticle. We have cloned mec-8 and found that it encodes a protein with two RNA recognition motifs, characteristic of RNA

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Tanaka, Keisuke, Kenji Shimomura, Akito Hosoi, et al. "Antennal transcriptome analysis of chemosensory genes in the cowpea beetle, Callosobruchus maculatus (F.)." PLOS ONE 17, no. 1 (2022): e0262817. http://dx.doi.org/10.1371/journal.pone.0262817.

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Olfaction, one of the most important sensory systems governing insect behavior, is a possible target for pest management. Therefore, in this study, we analyzed the antennal transcriptome of the cowpea beetle, Callosobruchus maculatus (F.) (Coleoptera: Chrysomelidae: Bruchinae), which is a major pest of stored pulses and legumes. The de novo antennal RNA-seq assembly results identified 17 odorant, 2 gustatory, and 10 ionotropic receptors, 1 sensory neuron membrane protein, and 12 odorant-binding and 7 chemosensory proteins. Moreover, differential gene expression analysis of virgin male and fema

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Cooke, Matthew M., Michael S. Chembars, and Ronald Jason Pitts. "The Dysregulation of Tuning Receptors and Transcription Factors in the Antennae of Orco and Ir8a Mutants in Aedes aegypti Suggests a Chemoreceptor Regulatory Mechanism Involving the MMB/dREAM Complex." Insects 16, no. 6 (2025): 638. https://doi.org/10.3390/insects16060638.

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Olfaction has been extensively studied in the yellow fever mosquito, Aedes aegypti. This species uses its sense of smell to find blood hosts and other resources, contributing to its impact as a vector for human pathogens. Two major families of protein-coding genes, the odorant receptors (Ors) and the ionotropic receptors (Irs), provide the mosquito with sensitivities to distinct classes of volatile compounds in the antennae. Individual tuning receptors in both families require co-receptors for functionality: Orco for all Ors, and Ir8a for many Irs, especially ones that are involved in carboxyl

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Baran, R., R. Aronoff, and G. Garriga. "The C. elegans homeodomain gene unc-42 regulates chemosensory and glutamate receptor expression." Development 126, no. 10 (1999): 2241–51. http://dx.doi.org/10.1242/dev.126.10.2241.

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Genes that specify cell fate can influence multiple aspects of neuronal differentiation, including axon guidance, target selection and synapse formation. Mutations in the unc-42 gene disrupt axon guidance along the C. elegans ventral nerve cord and cause distinct functional defects in sensory-locomotory neural circuits. Here we show that unc-42 encodes a novel homeodomain protein that specifies the fate of three classes of neurons in the Caenorhabditis elegans nervous system: the ASH polymodal sensory neurons, the AVA, AVD and AVE interneurons that mediate repulsive sensory stimuli to the nema

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Poivet, Erwan, Aurore Gallot, Nicolas Montagné, et al. "Transcriptome Profiling of Starvation in the Peripheral Chemosensory Organs of the Crop Pest Spodoptera littoralis Caterpillars." Insects 12, no. 7 (2021): 573. http://dx.doi.org/10.3390/insects12070573.

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Starvation is frequently encountered by animals under fluctuating food conditions in nature, and response to it is vital for life span. Many studies have investigated the behavioral and physiological responses to starvation. In particular, starvation is known to induce changes in olfactory behaviors and olfactory sensitivity to food odorants, but the underlying mechanisms are not well understood. Here, we investigated the transcriptional changes induced by starvation in the chemosensory tissues of the caterpillar Spodoptera littoralis, using Illumina RNA sequencing. Gene expression profiling r

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Arora, Kavita, Veronica Rodrigues, Swati Joshi, Shubha Shanbhag, and Obaid Siddiqi. "A gene affecting the specificity of the chemosensory neurons of Drosophila." Nature 330, no. 6143 (1987): 62–63. http://dx.doi.org/10.1038/330062a0.

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Purandare, Swapna R., and Jennifer A. Brisson. "Divergent chemosensory gene expression accompanies ecological specialisation of pea aphid morphs." Ecological Entomology 45, no. 2 (2019): 364–68. http://dx.doi.org/10.1111/een.12803.

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Koenig, Christopher, Ariana Hirsh, Sascha Bucks, et al. "A reference gene set for chemosensory receptor genes of Manduca sexta." Insect Biochemistry and Molecular Biology 66 (November 2015): 51–63. http://dx.doi.org/10.1016/j.ibmb.2015.09.007.

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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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Hobert, O., K. Tessmar, and G. Ruvkun. "The Caenorhabditis elegans lim-6 LIM homeobox gene regulates neurite outgrowth and function of particular GABAergic neurons." Development 126, no. 7 (1999): 1547–62. http://dx.doi.org/10.1242/dev.126.7.1547.

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We describe here the functional analysis of the C. elegans LIM homeobox gene lim-6, the ortholog of the mammalian Lmx-1a and b genes that regulate limb, CNS, kidney and eye development. lim-6 is expressed in a small number of sensory-, inter- and motorneurons, in epithelial cells of the uterus and in the excretory system. Loss of lim-6 function affects late events in the differentiation of two classes of GABAergic motorneurons which control rhythmic enteric muscle contraction. lim-6 is required to specify the correct axon morphology of these neurons and also regulates expression of glutamic ac

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Liu, Yuanzhen, Alexis Beaurepaire, Curtis W. Rogers, et al. "Gene Expression and Functional Analyses of Odorant Receptors in Small Hive Beetles (Aethina tumida)." International Journal of Molecular Sciences 21, no. 13 (2020): 4582. http://dx.doi.org/10.3390/ijms21134582.

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Olfaction is key to many insects. Odorant receptors (ORs) stand among the key chemosensory receptors mediating the detection of pheromones and kairomones. Small hive beetles (SHBs), Aethina tumida, are parasites of social bee colonies and olfactory cues are especially important for host finding. However, how interactions with their hosts may have shaped the evolution of ORs in the SHB remains poorly understood. Here, for the first time, we analyzed the evolution of SHB ORs through phylogenetic and positive selection analyses. We then tested the expression of selected OR genes in antennae, head

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Santos, Pablo S. C., Alexandre Courtiol, Andrew J. Heidel, et al. "MHC-dependent mate choice is linked to a trace-amine-associated receptor gene in a mammal." Scientific Reports 6, no. 1 (2016): 38490. https://doi.org/10.5281/zenodo.13431074.

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(Uploaded by Plazi for the Bat Literature Project) Abstract Major histocompatibility complex (MHC) genes play a pivotal role in vertebrate self/nonself recognition, parasite resistance and life history decisions. In evolutionary terms, the MHC's exceptional diversity is likely maintained by sexual and pathogen-driven selection. Even though MHC-dependent mating preferences have been confirmed for many species, the sensory and genetic mechanisms underlying mate recognition remain cryptic. Since olfaction is crucial for social communication in vertebrates, variation in chemosensory receptor genes

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