Entomologia Generalis最新文献

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Long-term coexistence of mtDNA variations and nuclear responses of host 宿主的 mtDNA 变异和核反应长期并存
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-09-05 DOI: 10.1127/entomologia/2024/2530
Tao Wang, Xin-Rui Ren, Zhi-Kun Guo, Yu-Xuan Zhao, Jin Geng, Guan-Hong Wang, Da-Wei Huang, Jin-Hua Xiao
{"title":"Long-term coexistence of mtDNA variations and nuclear responses of host","authors":"Tao Wang, Xin-Rui Ren, Zhi-Kun Guo, Yu-Xuan Zhao, Jin Geng, Guan-Hong Wang, Da-Wei Huang, Jin-Hua Xiao","doi":"10.1127/entomologia/2024/2530","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2530","url":null,"abstract":"Numerous studies have accumulatively discovered mitochondrial genome (mtDNA) diversity in the natural populations of the same species, and some of the mtDNA variations may be selected by the host’s environment. However, it remains unclear about the molecular mechanisms by which this long-term coexistence of mtDNA variations in the same species affects the metabolism and evolution of the host. By comparing two mitochondrial genomes of cultured population of Hermetia illucens, our study reveals that the mtDNAs of both strains (Ref-strain and Sub-strain) have great structural divergences, and mitochondria of the Sub-strain may be functionally defective, which is consistent with the observed lower body weights and higher oxidative stress levels in the midgut of Sub-strain. Moreover, the differentially expressed genes and differential metabolites between the midguts of both strains were related to the mitochondrial functions including oxidative stress, antioxidant and electron transport chain. Interesting, the midgut microbial compositions differed significantly in both strains. Additionally, 25 of 310 the potentially positively selected genes were related to mitochondrial function. Combination of these multidimensional investigations of both strains helped to reveal how the host insects adapt to mtDNA variations through cyto-nuclear interactions. This study can provide new evidence for understanding the nuclear response to the mitochondria dysfunction in insects, and its role in differentiation of the natural populations and even in the process of speciation.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224607","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
The development of the piercing mouth during the last molt of the diseases-transmitting aphids and mosquitoes as revealed by synchrotron X-ray microtomography 同步辐射 X 射线显微层析技术揭示的传播疾病的蚜虫和蚊子最后一次蜕皮期间穿刺口的发育过程
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-09-05 DOI: 10.1127/entomologia/2024/2475
Bastien Cayrol, Irene Arnoldi, Vladimir Novak, Sara Epis, Matteo Brilli, Yvan Rahbé, Marilyne Uzest, Paolo Gabrieli
{"title":"The development of the piercing mouth during the last molt of the diseases-transmitting aphids and mosquitoes as revealed by synchrotron X-ray microtomography","authors":"Bastien Cayrol, Irene Arnoldi, Vladimir Novak, Sara Epis, Matteo Brilli, Yvan Rahbé, Marilyne Uzest, Paolo Gabrieli","doi":"10.1127/entomologia/2024/2475","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2475","url":null,"abstract":"Piercing-sucking insects are extremely efficient vectors of animal and plant pathogens. This group is polyphyletic with the piercing organ highly heterogenous in its structure and morphogenesis, adapted to a specific host and feeding mechanism. For instance, hemimetabolous aphids feed on plant sap from nymphs to adults and they renew their stylets at each molt, thanks to specialized secreting glands. Distinctly, holometabolous mosquitoes have two feeding modes: larvae feed in water by filtering and scraping surfaces with their mouths, while female adults can acquire blood from vertebrate hosts. The pupal metamorphosis allows switching from one feeding habit to another. Here, we present a deep characterization of the biogenesis of the adult mouthparts in parthenogenetic females of the pea aphid Acyrthosiphon pisum (Harris 1776) (Hemiptera: Aphididae) and in females of the mosquito Aedes albopictus (Skuse 1895) (Diptera: Culicidae), investigated using non-invasive X-ray synchrotron-based microtomography. Comparing datasets collected from aphid juvenile and adult stages and from preimaginal and adult stages of the mosquito, we were able to track the morphological changes of secreting glands and the synthesis of the adult stylet in aphid heads and to follow the de novo formation of mosquito mouthparts in pupae. Our study provides a baseline for investigating the evolution and the development of piercing-sucking mouthparts and to better understand how morphogenesis works in insects.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186757","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
Comparing the nest chemical profile of Vespa velutina and Vespa crabro: a potential tool to detect invasive hornet species 比较 Vespa velutina 和 Vespa crabro 的巢化学特征:探测入侵大黄蜂物种的潜在工具
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-09-05 DOI: 10.1127/entomologia/2024/2599
Livia De Fazi, Rita Cervo, Federico Cappa
{"title":"Comparing the nest chemical profile of Vespa velutina and Vespa crabro: a potential tool to detect invasive hornet species","authors":"Livia De Fazi, Rita Cervo, Federico Cappa","doi":"10.1127/entomologia/2024/2599","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2599","url":null,"abstract":"In the fight against invasive alien species, timely reporting is essential to monitor their spread and face the invasion. This is particularly evident in the case of Vespa velutina nigrithorax, an invasive hornet species with a significant ecological, economic, and public health impact. V. velutina colony reports are often late or dubious, as they are represented by the discovery of abandoned nests found in late autumn or winter when the colony has completed its cycle. Abandoned colonies of V. velutina might be in some cases misidentified with nests of the native European hornet Vespa crabro. Verifying whether a nest belongs to V. velutina could be fundamental for monitoring its presence and expansion. Thus, a reliable method to correctly assign an abandoned nest to its exact species would be important for the management of this invasive threat. In these hornets, the nest material is characterized by a blend of chemical compounds that reflects its inhabitants and could be used for species identification. Here, by using gas-chromatography coupled with mass-spectrometry, we investigated the differences between the chemical signature of V. velutina and V. crabro nests, characterizing for the first time the nest chemical profile of the latter. Among the identified 43 compounds, two compounds were unique to V. crabro, and another two were found only in V. velutina nests. These discriminant compounds provide a diagnostic tool for the species identification of abandoned hornet nests, especially when uncertain reports come from areas on the invasion front or not yet invaded.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186708","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
Bottom-up effects of bamboo-charcoal soil amendment on the tomato insect pest Bemisia tabaci 竹炭土壤改良剂对番茄害虫 Bemisia tabaci 的自下而上的影响
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-09-05 DOI: 10.1127/entomologia/2024/2340
Jinchao Wang, Limin Chen, Farman Ullah, Yaru Wang, Yangchen Zhao, Yiming Pan, Songwang Yi, Tingting Chen, Aiwu Jin, Qianggen Zhu, Xiaowei Li, Yaobin Lu
{"title":"Bottom-up effects of bamboo-charcoal soil amendment on the tomato insect pest Bemisia tabaci","authors":"Jinchao Wang, Limin Chen, Farman Ullah, Yaru Wang, Yangchen Zhao, Yiming Pan, Songwang Yi, Tingting Chen, Aiwu Jin, Qianggen Zhu, Xiaowei Li, Yaobin Lu","doi":"10.1127/entomologia/2024/2340","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2340","url":null,"abstract":"Soil amendments can trigger bottom-up effects in crop-herbivorous pest interactions, thus impacting pest management and biochars may enhance plant growth and resistance to plant pests. We studied bottom-up effects of regenerative biochar bamboo charcoal on tomato (Solanum lycopersicum) and a major pest Bemisia tabaci, both under laboratory and field conditions. Plant height, stem diameter, and leaf dry-to-fresh weight ratio, as well as the content of free amino acids, starch, and soluble sugars, increased in the bamboo charcoal treatment compared with the control. Moreover, some plant-resistant substances or enzyme activities (e.g., flavonoids, phenylalanine ammonia lyase, and superoxide dismutase) were different among treatments. Applying bamboo charcoal reduced the survival rate and oviposition of B. tabaci. Y-tube olfactometer bioassay and volatilome analysis showed that the bamboo charcoal treatment reduced the attractiveness of tomato plants to B. tabaci by inducing the increasing release of the repellent volatile organic compound methyl salicylate. Field experiment showed that applying bamboo charcoal (5 L/m2) in the soil promoted the growth of tomato plants and suppressed the B. tabaci population. In conclusion, we demonstrate that applying bamboo charcoal could enhance the tomato plant growth and development and lower pest population by increasing the synthesis and accumulation of plant resistance substances. Therefore, it has the potential for large-scale field application to improve crop yield and significantly reduce B. tabaci occurrence.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186711","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
Bioengineering plant volatile emissions: prospects for plant protection against insect herbivores 植物挥发性排放生物工程:保护植物抵御昆虫食草动物的前景
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-08-22 DOI: 10.1127/entomologia/2024/2431
Gaurav Kumar Taggar, Glen C. Rains, Mandeep Tayal, Shivani Khokhar, Monica Sachdeva Taggar, Jasleen Kaur, Tripti Saini, Rajat Sharma, Gaurav Singh, KrishnaRao Gandham, Rupesh Kariyat
{"title":"Bioengineering plant volatile emissions: prospects for plant protection against insect herbivores","authors":"Gaurav Kumar Taggar, Glen C. Rains, Mandeep Tayal, Shivani Khokhar, Monica Sachdeva Taggar, Jasleen Kaur, Tripti Saini, Rajat Sharma, Gaurav Singh, KrishnaRao Gandham, Rupesh Kariyat","doi":"10.1127/entomologia/2024/2431","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2431","url":null,"abstract":"Genetically engineered crop plants for enhanced emission of herbivore-induced plant volatiles (HIPVs) offer great potential in reducing the herbivore load on crops by repelling insect herbivores directly or attracting their natural enemies. Plant volatile organic compounds (VOCs) are also essential for pollination, insect reproduction, allelopathy, and serve as antimicrobial agents. Existing research in this field revolves around the routine chemical ecological experiments like identifying VOCs, HIPVs, and synthetic blends. Therefore, a deeper understanding of the role of enhanced volatile emissions and volatile biosynthetic pathways involved in chemical communication can lead to the development of behavior-based novel pest management strategies and lay the foundation for future research in these approaches. Recent discoveries in identifying and isolating the enzymes and genes associated with the biosynthetic pathways of volatiles have opened new avenues for the genetic engineering of crops. Genetically engineered plants could be developed to release volatiles only with an herbivore attack to conserve plant resources by mimicking a natural defensive strategy for direct repellence and/or recruitment of natural enemies. Crops engineered for sustainable volatile production can also serve as companion plants in the push and pull strategies and modify insect behavior to reduce the pest damage. A crop bioengineered for enhanced repellence of oviposition and increased release of insect pheromone-resembling compounds could benefit pest management programs. Further advanced research under field conditions is required to assess the physiological and ecological consequences, especially to the crop and the environment.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186712","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
Bottom-up effects of polyethylene microplastics on the growth and development of potato, Colorado potato beetle and Stinkbug predators 聚乙烯微塑料对马铃薯、科罗拉多马铃薯甲虫和臭虫天敌生长和发育的自下而上的影响
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-08-22 DOI: 10.1127/entomologia/2024/2426
Jiebo Zhang, Yang Hu, Fushuai Niu, Hanhan Sun, Hangxin Yang, Nanziying Jiang, Chao Li
{"title":"Bottom-up effects of polyethylene microplastics on the growth and development of potato, Colorado potato beetle and Stinkbug predators","authors":"Jiebo Zhang, Yang Hu, Fushuai Niu, Hanhan Sun, Hangxin Yang, Nanziying Jiang, Chao Li","doi":"10.1127/entomologia/2024/2426","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2426","url":null,"abstract":"With the widespread adoption of agricultural cultivation technologies, the continuous accumulation of microplastics (MPs) in agroecosystems poses a major threat to the growth, development, yield, and food chains in crops. To evaluate how polyethylene microplastics (PE-MPs) affect the food chains in potatoes, we simulated polluted field environments by treating potted potatoes with PE-MPs and by studying an herbivore (Leptinotarsa decemlineata) and its predator (Arma chinensis) within this system. The herbivore was exposed to potato leaves from plants treated with different PE-MPs particle sizes for 15 days. The effects of PE-MPs on potato growth and yield, as well as their impact on L. decemlineata and the potential predation ability of A. chinensis, were evaluated. We found that: 1) Adding PE-MPs to the soil not only prolonged the emergence time of potato plants but also reduced plant height and stem diameter, ultimately reducing potato yield. 2) Potato plants exposed to PE-MPs led to a significant decrease in the survival rate and vitality of L. decemlineata adults. 3) Arma chinensis were more likely to prey on PE-MPs-exposed L. decemlineata, however, A. chinensis were also affected, with a noticeable increase in mortality. These results suggest that PE-MPs have a bottom-up negative impact on crop-pest-natural enemy systems, which may affect the balance of the food chain, providing new insights for the risk assessment and toxicity of microplastics on terrestrial food chains.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186861","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
Edible insects: an overview on farming, from processing procedures to environmental impact, with a glimpse to traditional recipes and to future cultured meat 食用昆虫:从加工程序到环境影响的养殖概述,以及传统食谱和未来养殖肉类的一瞥
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-08-22 DOI: 10.1127/entomologia/2024/2651
Antonio Franco, Roberta Rinaldi, Fabiana Giglio, Dolores Ianniciello, Andrea Boschi, Carmen Scieuzo, Rosanna Salvia, Patrizia Falabella
{"title":"Edible insects: an overview on farming, from processing procedures to environmental impact, with a glimpse to traditional recipes and to future cultured meat","authors":"Antonio Franco, Roberta Rinaldi, Fabiana Giglio, Dolores Ianniciello, Andrea Boschi, Carmen Scieuzo, Rosanna Salvia, Patrizia Falabella","doi":"10.1127/entomologia/2024/2651","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2651","url":null,"abstract":"In the last decade, the use of insects has grown globally in relation to all sectors of the food chain. Insect farming offers a sustainable alternative to conventional livestock production, with lower environmental impacts and efficient resource use, as shown by Life Cycle Assessments (LCA). However, challenges in scaling production, standardizing processes, and addressing regulatory gaps remain. Continued research and collaboration are essential to fully realize the potential of insects as a sustainable protein source for human consumption. This review analyses some elements related to insect consumption, from the aspects of the hygiene, the different breeding and environmental impact to the description of the processing techniques, also providing the reader with some practical examples related to some world-famous recipes to offer an idea of how insects are perceived as food. The methods used in the processing of edible insects are critical to improving their nutritional content, safety, and palatability. The acceptance of insect-based cuisine can be increased by incorporating insects into traditional foods, thereby minimizing reactions of disgust. In addition, a look to the near future examines the possibilities of cultured meat made from insect cells, which presents encouraging paths toward the creation of sustainable protein, offering a revolutionary strategy that will transform future food production systems toward efficiency and sustainability. This is an absolutely innovative aspect for the production of edible proteins.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186714","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
A comprehensive review of entomophagy under legal, historical, safety, and nutritional profile 从法律、历史、安全和营养角度全面审视昆虫食性
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-08-22 DOI: 10.1127/entomologia/2024/2524
Dolores Ianniciello, Andrea Boschi, Roberta Rinaldi, Antonio Franco, Fabiana Giglio, Carmen Scieuzo, Rosanna Salvia, Patrizia Falabella
{"title":"A comprehensive review of entomophagy under legal, historical, safety, and nutritional profile","authors":"Dolores Ianniciello, Andrea Boschi, Roberta Rinaldi, Antonio Franco, Fabiana Giglio, Carmen Scieuzo, Rosanna Salvia, Patrizia Falabella","doi":"10.1127/entomologia/2024/2524","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2524","url":null,"abstract":"In the last decade the use of insects has grown globally in relation to all sectors of the food chain. In about 100 nations around the world, insects are traditionally part of the human diet; this practice is termed entomophagy. Although many studies have been conducted on the importance of edible insects as alternative sources of protein, most of them have focused on consumer acceptance or aversion/neophobia. As human food, insects have various advantages. They are rich in proteins, vitamins, and minerals and can be used in nutrition. Additionally, insects are efficient in bioconverting organic matter into biomass for food, adding the advantage of disposing of some by-products. Insects as foods of the future offer great promise, and their impact is expected to grow as new insights are pursued into quality, cultivation, nutrition, taste and safety. This review aims to be an overview of the laws regulating entomophagy, the history of insect consumption worldwide, safety considerations, and nutrient composition.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186713","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
Unveiling a cost of mutualism involving insect-endosymbiont-microbe interactions 揭示昆虫-内共生菌-微生物相互作用的互惠代价
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-08-22 DOI: 10.1127/entomologia/2024/2463
Mengqi Xiao, Feiyu Duan, Ary A. Hoffmann, Jiayao Hu, Fan Yang, Huimin Zhong, Jiqin Jia, Yimin Zhang, Xiaoying Wei, Jianqing Zhu, Weidong Yu, Weibin Jiang
{"title":"Unveiling a cost of mutualism involving insect-endosymbiont-microbe interactions","authors":"Mengqi Xiao, Feiyu Duan, Ary A. Hoffmann, Jiayao Hu, Fan Yang, Huimin Zhong, Jiqin Jia, Yimin Zhang, Xiaoying Wei, Jianqing Zhu, Weidong Yu, Weibin Jiang","doi":"10.1127/entomologia/2024/2463","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2463","url":null,"abstract":"Microbe-microbe interactions – of central importance in biological systems – can be antagonistic or synergistic, acting to benefit or detriment of a host. Pederin-producing endosymbionts (PPE) are considered protective mutualists in their Paederus fuscipes (rove beetle) hosts but little is known about whether PPE affect other aspects of host fitness as well as host microbial diversity. We find strong deleterious costs of PPE infections on hosts related to an extended development time, smaller and shorter lifespan of females, as well as a lower hatching rates of progeny. 16S rRNA data reveal that PPE affect the microbiome of P. fuscipes depending on gender and organ, resulting in a decrease in the number of the potentially beneficial symbiotic bacteria Apibacter and the reproductive manipulator Wolbachia and an increase in the conditional pathogenic bacterium Bartonella. Predicted microbe functions related to metabolism, longevity, immunity and resistibility are enriched in uninfected females, potentially contributing to fitness costs of PPE infections. We further sequence and annotate the first complete genome of PPE and compare the pederin biosynthetic gene cluster (ped) with the pederin family biosynthetic gene cluster from other bacterial-eukaryote symbioses. This study highlights the fitness costs of PPE infections to P. fuscipes, even though the defensive pederin compound produced by PPE helps protect the host. The ecology and evolution of this mutualism is shaped by costs, not just the benefits they confer. Changes in the microbial community within infected rove beetles may mediate the negative impacts of PPE on fitness.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186715","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
The RNAi lethal effect of a serine protease gene (TcSP3) on Tetranychus cinnabarinus and its safety evaluation 丝氨酸蛋白酶基因(TcSP3)对朱砂菌的 RNAi 致死效应及其安全性评估
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-08-22 DOI: 10.1127/entomologia/2024/2335
Xing-Ru Chen, Teng-Yue Rao, Guang-Ming Liu, Yi-Ni Chen, Yan-Jie Luo, Lin He, Guang-Mao Shen
{"title":"The RNAi lethal effect of a serine protease gene (TcSP3) on Tetranychus cinnabarinus and its safety evaluation","authors":"Xing-Ru Chen, Teng-Yue Rao, Guang-Ming Liu, Yi-Ni Chen, Yan-Jie Luo, Lin He, Guang-Mao Shen","doi":"10.1127/entomologia/2024/2335","DOIUrl":"https://doi.org/10.1127/entomologia/2024/2335","url":null,"abstract":"RNA interference technology has been recognized in recent years as an ideal and specific new approach for pest control. In this study, a serine protease gene TcSP3 was found specifically expressed during the egg stage of Tetranychus cinnabarinus. Treatment of dsTcSP3 caused high mortality in egg and larvae stages of T. cinnabarinus, but a lower mortality rate after treating adult mites. Persistence analysis showed that dsTcSP3 degraded rapidly after application to cowpea leaves and was essentially undetectable after 60 h. It was also safe to Neoseiulus barkeri and caused essentially no death or deformity of N. barkeri. In conclusion, silencing of the serine protease gene TcSP3 successfully impeded the growth and development process of T. cinnabarinus with less impact on the environment and predatory mite (Neoseiulus barkeri), which can be used as a new target of RNAi for T. cinnabarinus.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":null,"pages":null},"PeriodicalIF":6.9,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142186881","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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