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Blowfly genomics: current insights, knowledge gaps, and future perspectives. 牛虻基因组学：当前见解、知识差距和未来展望。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-22 DOI: 10.1016/j.cois.2024.101305
Drashti R Parmar, Nikolas P Johnston, James F Wallman, Krzysztof Szpila
{"title":"Blowfly genomics: current insights, knowledge gaps, and future perspectives.","authors":"Drashti R Parmar, Nikolas P Johnston, James F Wallman, Krzysztof Szpila","doi":"10.1016/j.cois.2024.101305","DOIUrl":"10.1016/j.cois.2024.101305","url":null,"abstract":"<p><p>Blowflies (Calliphoridae) form a diverse, species-rich group, yet publicly available genome assemblies are limited to only 16 species, despite recent genomic advances. This knowledge gap extends to mitogenomes and barcode databases, which mainly focus on medically and veterinary-important species. While blowfly phylogenetics has progressed, additional genome sequencing is crucial for various subfamilies, given their diverse life histories. This review presents a quantitative overview of available genetic information for blowflies, highlighting substantial gaps in public databases. DNA barcodes, mitogenomes, and genomes represent only 16.5% (342 species), ∼3% (53 species), and <1% (16 species) of known family diversity, respectively. While 183 genomics-related calliphorid BioProjects are recorded by NCBI, many subfamilies and genera have limited or no genomic representation, impacting studies on identification, systematics, phylogenetics, and evolution. We stress the urgent need for high-quality reference genomes and highlight target species representing all blowfly subfamilies to support a new era of rapid, low-cost genomic research.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":" ","pages":"101305"},"PeriodicalIF":5.8,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142709562","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 influences on parasitoid wasps' biocontrol of invasive insect pest species in Africa. 人类活动对寄生蜂对非洲入侵害虫物种进行生物控制的影响。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-22 DOI: 10.1016/j.cois.2024.101300
Fathiya M Khamis, Inusa J Ajene
{"title":"Anthropogenic influences on parasitoid wasps' biocontrol of invasive insect pest species in Africa.","authors":"Fathiya M Khamis, Inusa J Ajene","doi":"10.1016/j.cois.2024.101300","DOIUrl":"10.1016/j.cois.2024.101300","url":null,"abstract":"<p><p>Sustainable agriculture is crucial to ensuring food and nutritional security and improving livelihoods of millions across Africa. However, agricultural production is constrained by native and invasive pests. Indiscriminate insecticide use is often the first line of action to manage these pests, harming human and animal health, and impacting biodiversity. Thus, shifting to more ecologically sustainable alternatives is key to biodiversity conservation and sustainable agriculture. Biological control is a core component of integrated pest management strategies, and natural enemies, like parasitoid wasps, are considered one of the most environmentally sustainable means of managing pests. However, the Anthropocene plays a significant role in the success and sustainability of this approach. Therefore, here, we provide a look at the influence of anthropological activities, the scope of the application of parasitoids as biocontrol agents of invasive pests, and the current trends in parasitoid utilization in Africa.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":" ","pages":"101300"},"PeriodicalIF":5.8,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142695252","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
Anticipating evolutionary responses of mosquito mating systems to population suppression with mass-reared males. 用大规模饲养的雄性蚊子预测蚊子交配系统对种群抑制的进化反应。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-20 DOI: 10.1016/j.cois.2024.101302
Lauren J Cator, Michael B Bonsall
{"title":"Anticipating evolutionary responses of mosquito mating systems to population suppression with mass-reared males.","authors":"Lauren J Cator, Michael B Bonsall","doi":"10.1016/j.cois.2024.101302","DOIUrl":"10.1016/j.cois.2024.101302","url":null,"abstract":"<p><p>Strategies that rely on the mass release of males to suppress mosquito populations will exert selective pressure on natural mating systems. Here, we investigate how mass releases might affect the mating behaviors of wild target populations. We highlight gaps in our understanding of both variation in these aspects of mosquito behavior and the evolutionary forces that maintain variation within and between populations. We provide a mathematical framework for integrating mosquito mating ecology into models of population suppression. Given that these strategies are being increasingly deployed, anticipating and managing evolutionary responses of target population behavior should be a priority for research.</p>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":" ","pages":"101302"},"PeriodicalIF":5.8,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686172","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
Adapting to change: bee pollinator signatures in anthropized environments 适应变化：人类环境中蜜蜂授粉者的特征。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-19 DOI: 10.1016/j.cois.2024.101297
Margarita M López-Uribe , Eduardo AB Almeida , Denise Araujo Alves
{"title":"Adapting to change: bee pollinator signatures in anthropized environments","authors":"Margarita M López-Uribe ,&nbsp;Eduardo AB Almeida ,&nbsp;Denise Araujo Alves","doi":"10.1016/j.cois.2024.101297","DOIUrl":"10.1016/j.cois.2024.101297","url":null,"abstract":"<div><div>Bees are essential pollinators for wild, ornamental, and agricultural plants, but human activities have disrupted their habitats, threatening their persistence. Although bees face numerous challenges in habitats heavily modified by human activities, certain species persist and thrive there. This review synthesizes recent literature on two types of traits that help bees survive in human-modified environments: preadaptive traits, which evolved before these environments existed, and adaptive traits, which have evolved in response to new conditions. This review highlights our limited understanding of adaptive traits and examines how trait combinations, including those influenced by epigenetics, contribute to bees’ success in these altered habitats. Additionally, we discuss the promising use of genomic tools to reveal signatures of adaptation in these important pollinators.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"68 ","pages":"Article 101297"},"PeriodicalIF":5.8,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142686168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Olfactory coding in the mosquito antennal lobe: labeled lines or combinatorial code? 蚊子触角叶的嗅觉编码：标记线还是组合代码？
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-15 DOI: 10.1016/j.cois.2024.101299
Abin Thomas , Madhurima Roy , Nitin Gupta
{"title":"Olfactory coding in the mosquito antennal lobe: labeled lines or combinatorial code?","authors":"Abin Thomas ,&nbsp;Madhurima Roy ,&nbsp;Nitin Gupta","doi":"10.1016/j.cois.2024.101299","DOIUrl":"10.1016/j.cois.2024.101299","url":null,"abstract":"<div><div>Odors serve as important cues for many behaviors in mosquitoes, including host-seeking, foraging, and oviposition. They are detected by olfactory receptor neurons present in the sensory organs, whose axons take this signal to the antennal lobe, the first olfactory processing center in the insect brain. We review the organization and the functioning of the antennal lobe in mosquitoes, focusing on two populations of interneurons present there: the local neurons (LNs) and the projection neurons (PNs). LNs enable information processing in the antennal lobe by providing lateral inhibition and excitation. PNs carry the processed output to downstream neurons in the lateral horn and the mushroom body. We compare the ideas of labeled lines and combinatorial codes, and argue that the PN population encodes odors combinatorially. Throughout this review, we discuss the observations from <em>Aedes</em>, <em>Anopheles</em>, and <em>Culex</em> mosquitoes in the context of previous findings from <em>Drosophila</em> and other insects.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"68 ","pages":"Article 101299"},"PeriodicalIF":5.8,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142643741","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
Genomics of insect natural enemies in agroecosystems 农业生态系统中昆虫天敌的基因组学。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-14 DOI: 10.1016/j.cois.2024.101298
Xinhai Ye , Yi Yang , Qi Fang , Gongyin Ye
{"title":"Genomics of insect natural enemies in agroecosystems","authors":"Xinhai Ye ,&nbsp;Yi Yang ,&nbsp;Qi Fang ,&nbsp;Gongyin Ye","doi":"10.1016/j.cois.2024.101298","DOIUrl":"10.1016/j.cois.2024.101298","url":null,"abstract":"<div><div>Currently, a wealth of genomic data are now accessible for numerous insect natural enemies, serving as valuable resources that deepen our understanding of the genetic basis of biocontrol traits in these organisms. We summarize the current state of genome sequencing and highlight candidate genes related to biocontrol traits that hold promise for genetic improvement. We also review the recent population genomic studies in biological control and the discovery of potential insecticidal genes in parasitoid wasps. Collectively, current genomic works have shown the powerful ability to identify candidate genes responsible for desirable traits or promising effectors. However, further functional study is necessary to gain a mechanistic understanding of these genes, and future efforts are also needed to develop suitable approaches to translate genomic insights into field applications.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"68 ","pages":"Article 101298"},"PeriodicalIF":5.8,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142638663","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
Large-scale omics analyses of nutrition-responsive mechanisms of female germline stem cell proliferation and maintenance in Drosophila melanogaster 黑腹果蝇雌性生殖干细胞增殖和维持的营养响应机制的大规模全局分析。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-08 DOI: 10.1016/j.cois.2024.101296
Ryosuke Hayashi , Ryusuke Niwa
{"title":"Large-scale omics analyses of nutrition-responsive mechanisms of female germline stem cell proliferation and maintenance in Drosophila melanogaster","authors":"Ryosuke Hayashi ,&nbsp;Ryusuke Niwa","doi":"10.1016/j.cois.2024.101296","DOIUrl":"10.1016/j.cois.2024.101296","url":null,"abstract":"<div><div>Female germline stem cells (fGSCs) are essential for generating mature oocytes. In general, self-renewal and differentiation of fGSCs into germ cells are regulated by niche signals from neighboring niche cells. In addition, fGSCs and their niche cells are greatly influenced by physiological and environmental factors, especially nutritional status. To clarify molecular mechanisms involved in regulating fGSC proliferation and maintenance, the fruit fly <em>Drosophila melanogaster</em> has served as an excellent genetic model organism. In recent years, along with sophisticated genetic tools for <em>D. melanogaster</em>, large-scale transcriptome, proteome, and metabolome analyses have provided new insights into <em>D. melanogaster</em> fGSC biology. These large-scale analyses have identified new markers and regulators for <em>D. melanogaster</em> fGSCs, including <em>Netrin-A</em>, <em>Helical factor, eggplant, Gr43a</em>, and genes controlling the polyol pathway, some of which are involved in nutrient-responsive control of fGSC behavior.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"67 ","pages":"Article 101296"},"PeriodicalIF":5.8,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142616352","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
Repetitive DNAs: the ‘invisible’ regulators of insect adaptation and speciation 重复 DNA：昆虫适应和物种变异的 "隐形 "调节器。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-07 DOI: 10.1016/j.cois.2024.101295
Diogo C Cabral-de-Mello , Octavio M Palacios-Gimenez
{"title":"Repetitive DNAs: the ‘invisible’ regulators of insect adaptation and speciation","authors":"Diogo C Cabral-de-Mello ,&nbsp;Octavio M Palacios-Gimenez","doi":"10.1016/j.cois.2024.101295","DOIUrl":"10.1016/j.cois.2024.101295","url":null,"abstract":"<div><div>Like other eukaryotes, insect genomes contain a large portion of repetitive sequences, particularly transposable elements and satellite DNAs. This review highlights key studies on repetitive DNAs and examines their structural, functional, and evolutionary impact on insect genomes. Repetitive sequences promote genetic diversification through mutations and large-scale rearrangements, playing a crucial role in shaping genomic architecture, aiding organismal adaptation, and driving speciation. We also explore the influence of repeats in genome size variation and species incompatibilities, along with their contribution to adaptive phenotypes and gene regulation. Studying repetitive DNA in insects not only provides insights into basic genomic features but also offers valuable information for conservation strategies, pest control, and advancements in genetics, ecology, and evolutionary biology.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"67 ","pages":"Article 101295"},"PeriodicalIF":5.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142616353","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
Epigenetic processes in insect adaptation to environmental stress 昆虫适应环境压力的表观遗传过程。
IF 5.8 1区 农林科学
Current opinion in insect science Pub Date : 2024-11-07 DOI: 10.1016/j.cois.2024.101294
Ayushi Gupta , Suresh Nair
{"title":"Epigenetic processes in insect adaptation to environmental stress","authors":"Ayushi Gupta ,&nbsp;Suresh Nair","doi":"10.1016/j.cois.2024.101294","DOIUrl":"10.1016/j.cois.2024.101294","url":null,"abstract":"<div><div>Insects exhibit remarkable adaptability to a wide range of environmental stressors, including temperature fluctuations, pathogens, and changes in diet. This adaptability is often driven by epigenetic processes, which regulate gene expression without altering the underlying DNA sequence. This review provides a comprehensive overview of these epigenetic processes in insect adaptation, highlighting their impact on development, behaviour, and stress resilience. Understanding these mechanisms is essential for pest management and conservation efforts, offering insights into the rapid adaptive capacity of insects. By examining recent studies on epigenetics in insects, we aim to elucidate the molecular underpinnings of their adaptation and suggest future research directions in this evolving field.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"67 ","pages":"Article 101294"},"PeriodicalIF":5.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142616351","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
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 : 2024-10-28 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 ,&nbsp;Gabriel K Ocker ,&nbsp;Meg A Younger","doi":"10.1016/j.cois.2024.101291","DOIUrl":"10.1016/j.cois.2024.101291","url":null,"abstract":"<div><div>The <em>Aedes aegypti</em> 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 <em>Ae. aegypti</em> 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.</div></div>","PeriodicalId":11038,"journal":{"name":"Current opinion in insect science","volume":"67 ","pages":"Article 101291"},"PeriodicalIF":5.8,"publicationDate":"2024-10-28","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":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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