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Prospects on non-canonical olfaction in the mosquito and other organisms: why co-express? 蚊子和其他生物的非规范嗅觉前景：为什么要共同表达？
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-27 DOI: 10.1016/j.cois.2024.101291
Florencia Fernández-Chiappe, Gabriel K Ocker, Meg A Younger
{"title":"Prospects on non-canonical olfaction in the mosquito and other organisms: why co-express?","authors":"Florencia Fernández-Chiappe, Gabriel K Ocker, Meg A Younger","doi":"10.1016/j.cois.2024.101291","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101291","url":null,"abstract":"<p><p>The Aedes aegypti mosquito utilizes olfaction during the search for humans to bite. The attraction to human body odor is an innate behavior for this disease-vector mosquito. Many well-studied model species have olfactory systems that conform to a particular organization that is sometimes referred to as the \"one-receptor-to-one-neuron\" organization because each sensory neuron expresses only a single type of olfactory receptor that imparts the neuron's chemical selectivity. This sensory architecture has become the canon in the field. This review will focus on the recent finding that the olfactory system of Ae. aegypti has a different organization, with multiple olfactory receptors co-expressed in many of its olfactory sensory neurons. We will discuss the canonical organization and how this differs from the non-canonical organization, examine examples of non-canonical olfactory systems in other species, and discuss the possible roles of receptor co-expression in odor coding in the mosquito and other organisms.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142544296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Challenges of climate change and air pollution for volatile-mediated plant-parasitoid signalling. 气候变化和空气污染对挥发性物质介导的植物寄生虫信号的挑战。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-27 DOI: 10.1016/j.cois.2024.101290
Delia M Pinto-Zevallos, James D Blande
{"title":"Challenges of climate change and air pollution for volatile-mediated plant-parasitoid signalling.","authors":"Delia M Pinto-Zevallos, James D Blande","doi":"10.1016/j.cois.2024.101290","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101290","url":null,"abstract":"<p><p>Herbivore-induced plant volatiles (HIPVs) are reliable cues that parasitoids can use to locate host patches. Interactions mediated by plant volatile organic compounds (VOCs) are vulnerable to disturbance by predicted climate change and air pollution scenarios. Abiotic stress-induced VOCs may act as false signals to parasitoids. Air pollutants can disrupt signalling by degrading HIPVs at different rates and preventing the perception of olfactory signals by reducing the sensitivity of olfactory receptors or by occluding insect sensillae. As essential components of biological control programmes, efforts should be made to assess how different parasitoid species respond and adapt to HIPVs in predicted scenarios. Since providing parasitoid food sources is a promising practice for boosting biological control, parasitoid-flower interactions deserve attention.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142544294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decoding Sex Differences: How GABA Shapes Drosophila Behavior. 解码性别差异：GABA 如何塑造果蝇的行为
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-27 DOI: 10.1016/j.cois.2024.101293
Saheli Sengupta, Kravitz A Edward
{"title":"Decoding Sex Differences: How GABA Shapes Drosophila Behavior.","authors":"Saheli Sengupta, Kravitz A Edward","doi":"10.1016/j.cois.2024.101293","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101293","url":null,"abstract":"<p><p>Sexually dimorphic behaviors are fundamental to the biology of many species, including fruit flies and humans. These behaviors are regulated primarily by sex-specific neural circuits or the sex-specific modulation of shared neuronal substrates. In fruit flies, GABAergic neurotransmission plays a critical role in governing sexually dimorphic behaviors such as courtship, copulation, and aggression. This review explores the intricate roles of GABAergic neurons in these behaviors, and focuses on how sex-specific differences in GABAergic circuits contribute to their modulation and execution. By examining these mechanisms in Drosophila, we reveal broader implications for understanding sexual dimorphism in more complex organisms.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142544295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Insect olfactory neurons: receptors, development and function. 昆虫嗅觉神经元：受体、发育和功能。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-25 DOI: 10.1016/j.cois.2024.101288
Hua Yan
{"title":"Insect olfactory neurons: receptors, development and function.","authors":"Hua Yan","doi":"10.1016/j.cois.2024.101288","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101288","url":null,"abstract":"<p><p>Insects represent the most diverse group of animals in the world. While the olfactory systems of different species share general principles of organization, they also exhibit a wide range of structural and functional diversity. Scientists have gained tremendous insight into olfactory neural development and function, notably in Drosophila, but also in other insect species (see reviews in [1-3]). In the last few years, new evidence has steadily mounted, e.g. the stoichiometry of odorant receptor and co-receptor (OR-Orco) complex. This review aims to highlight the recent progress on four aspects: (1) the structure and function of the OR-Orco complex, (2) chemosensory gene co-expression, (3) diverse neural developmental processes, and (4) the role of genes and neurons in olfactory development and olfactory-mediated behavior.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial Overview: Diverse Actions of GABA in Insect Nervous Systems. 编辑综述：GABA 在昆虫神经系统中的多种作用
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-25 DOI: 10.1016/j.cois.2024.101292
Susan E Fahrbach
{"title":"Editorial Overview: Diverse Actions of GABA in Insect Nervous Systems.","authors":"Susan E Fahrbach","doi":"10.1016/j.cois.2024.101292","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101292","url":null,"abstract":"","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolution of insect metamorphosis - an update. 昆虫变态的进化--最新进展。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-25 DOI: 10.1016/j.cois.2024.101289
Barbora Konopová
{"title":"Evolution of insect metamorphosis - an update.","authors":"Barbora Konopová","doi":"10.1016/j.cois.2024.101289","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101289","url":null,"abstract":"<p><p>Metamorphosis endowed the insects with properties that enabled them to conquer the Earth. It is a hormonally controlled morphogenetic process that transforms the larva into the adult. Metamorphosis appeared with the origin of wings and flight. The sesquiterpenoid juvenile hormone (JH) suppresses wing morphogenesis and ensures that metamorphosis takes place in the right ontogenetic time. This review explores the origin of insect metamorphosis and the ancestral function of JH. Fossil record shows that the first Paleozoic winged insects had (hemimetabolous) metamorphosis and their larvae were likely aquatic. In the primitive wingless silverfish that lacks metamorphosis JH is essential for late embryogenesis and reproduction. JH production after the embryo dorsal closure promotes hatching and terminal tissue maturation.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regulation of insect cuticular hydrocarbon biosynthesis. 昆虫角质烃生物合成的调控。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-24 DOI: 10.1016/j.cois.2024.101287
Zinan Wang, Ignatius Putra Andika, Henry Chung
{"title":"Regulation of insect cuticular hydrocarbon biosynthesis.","authors":"Zinan Wang, Ignatius Putra Andika, Henry Chung","doi":"10.1016/j.cois.2024.101287","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101287","url":null,"abstract":"<p><p>Cuticular hydrocarbons (CHCs) play pleiotropic roles in insect survival and reproduction. They prevent desiccation and function as pheromones influencing different behaviors. While the genes in the CHC biosynthesis pathway have been extensively studied, the regulatory mechanisms that lead to different CHC compositions received far less attention. In this review, we present an overview of how different hormones and transcriptional factors regulate CHC synthesis genes, leading to different CHC compositions. Future research focusing on the regulatory mechanisms underlying CHC biosynthesis can lead to a better understanding of how insects could produce dynamic chemical profiles in response to different stimuli.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142496704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neuronal and endocrine mechanisms underlying the circadian gating of eclosion: insights from Drosophila. 蜕皮昼夜节律门控的神经元和内分泌机制：来自果蝇的启示。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-24 DOI: 10.1016/j.cois.2024.101286
Christian Wegener, Emad Amini, Javier Cavieres-Lepe, John Ewer
{"title":"Neuronal and endocrine mechanisms underlying the circadian gating of eclosion: insights from Drosophila.","authors":"Christian Wegener, Emad Amini, Javier Cavieres-Lepe, John Ewer","doi":"10.1016/j.cois.2024.101286","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101286","url":null,"abstract":"<p><p>The circadian rhythm of adult emergence (aka eclosion) of the fruit fly Drosophila is a classic behavioural read-out that served in the first characterisation of the key features of circadian clocks and was also used for the identification of the first clock genes. Rhythmic eclosion requires the central clock in the brain, as well as a peripheral clock in the steroidogenic prothoracic gland. Here, we review recent findings on the timing and neuroendocrine coupling mechanisms of the two clocks. These findings identify rhythmic PTTH and downstream ERK signalling as the main coupling pathway, and show that the two clocks impose a daily rhythmicity to the temporal pattern of eclosion by regulating the timing of the very last steps in metamorphosis.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142516328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anthropogenic effects on the eco-immunology of herbivorous insects. 人类活动对食草昆虫生态免疫学的影响。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-23 DOI: 10.1016/j.cois.2024.101285
Enakshi Ghosh, Saskya van Nouhuys, Paul J Ode
{"title":"Anthropogenic effects on the eco-immunology of herbivorous insects.","authors":"Enakshi Ghosh, Saskya van Nouhuys, Paul J Ode","doi":"10.1016/j.cois.2024.101285","DOIUrl":"https://doi.org/10.1016/j.cois.2024.101285","url":null,"abstract":"","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142516327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial overview: Vectors and medical and veterinary entomology: an integrative view 编辑综述：病媒与医学和兽医昆虫学：综合观点。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-10-18 DOI: 10.1016/j.cois.2024.101283
{"title":"Editorial overview: Vectors and medical and veterinary entomology: an integrative view","authors":"","doi":"10.1016/j.cois.2024.101283","DOIUrl":"10.1016/j.cois.2024.101283","url":null,"abstract":"","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":null,"pages":null},"PeriodicalIF":5.8,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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