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Article
Entomology
Lei Guo et al.
Summary: This study reveals that the P450 gene CYP402C1 is associated with the resistance of Bemisia tabaci to imidacloprid. Knocking down CYP402C1 significantly reduces the resistance of B. tabaci, while overexpressing CYP402C1 in transgenic Drosophila melanogaster increases resistance. Heterologous expression of CYP402C1 shows its ability to metabolize imidacloprid.
Article
Biochemical Research Methods
Patrick J. Lariviere et al.
Summary: Honey bees are important pollinators and model organisms for studying social behavior, development, and cognition. Researchers have engineered a bee gut bacterium, Snodgrassella alvi, to induce a sustained host RNA interference response that reduces the expression of targeted genes. This method offers a streamlined and scalable approach for studying honey bee biology.
Article
Entomology
Chen Ma et al.
Summary: The red imported fire ant (RIFA), also known as Solenopsis invicta Buren, has had a detrimental impact on biological diversity, public safety, agriculture, and economics. Due to the growth in global trade, the threat of RIFA to China is expected to increase. A study on 130 new occurrence records in 2021 revealed that RIFA preferred to invade the provinces of Sichuan and Guangxi, with large agricultural producers being more vulnerable. Plantations experienced significant damage from invasive RIFA, and areas with high precipitation, average temperature, and elevation showed a greater abundance of RIFA. Strict inspection and quarantine measures are necessary in new occurrence areas to prevent further outbreaks, and cross-provincial cooperation and national coordination are essential to slow its spread.
ENTOMOLOGICAL RESEARCH
(2023)
Article
Entomology
Huanling Xing et al.
Summary: This study investigated the insecticidal properties of essential oils from the bark and leaves of Cinnamomum loureirii Nees on Solenopsis invicta using the fumigation method. It was found that the essential oils extracted from the leaves were more effective in killing the ants compared to those from the bark. Cinnamyl acetate played a vital role in enhancing the insecticidal effect. The essential oils caused disorganization and shedding of the ants' antennae morphology and receptors, resulting in their death.
JOURNAL OF PEST SCIENCE
(2023)
Article
Biodiversity Conservation
Robert J. Warren et al.
Summary: Non-native species invasion, habitat fragmentation, and climate change have negative impacts on natural systems individually, but their combined effects are even worse. A study in the Southeastern U.S. found that experimental warming and forest fragmentation favored invasive non-native ant frequency, while experimental warming exacerbated the negative effects of non-native ants on native ant foraging. Moreover, fragmented edge habitat strongly limited native forest ant foraging and experimental warming increased the negative effects of non-native ant invaders on native ants.
BIOLOGICAL INVASIONS
(2023)
Article
Entomology
Dandan Shi et al.
Summary: This study determined the susceptibility of 15 field populations of Aphis gossypii in Central China to six chemical insecticides and explored the potential resistance mechanisms of these populations. The results showed that most populations have evolved varying degrees of resistance to imidacloprid, thiamethoxam, flonicamid, and pirimicarb. However, they remained susceptible to chlorpyrifos, and showed low to moderate levels of resistance to ?-cyhalothrin. Correlation analysis revealed that the enzyme activity of cytochrome P450 and carboxylesterase were associated with the resistance to certain insecticides. Additionally, multiple resistance-associated target site mutations were detected in the field populations. These findings provide important information for understanding insecticide resistance in China and designing effective strategies for managing A. gossypii.
JOURNAL OF APPLIED ENTOMOLOGY
(2023)
Article
Biodiversity Conservation
Ming Li et al.
Summary: Invasive alien ant species, especially Solenopsis invicta, pose significant threats to agriculture, ecosystems, and human health in China, resulting in substantial economic losses and public health concerns. Estimating their spatial distribution and ecological niche is crucial for effective prevention and control measures. This study used occurrence records and environmental variables to estimate the potential suitable area and ecological niche of S. invicta in China.
Article
Engineering, Environmental
Mingxia He et al.
Summary: The annual invasion of Solenopsis invicta has caused significant ecological damage, but the improper use of prevention and control agents has led to the development of pesticide tolerance. This study developed carbon nanotube grafted hexagonal star nanoparticles NiCoNC, which showed promising insecticidal efficacy. The combination of NiCoNC with S. invicta tissue fluid exhibited significant ROS scavenging ability and enhanced the insecticidal activity of the insecticide by entering the intestine. Overall, the research led to the development of a novel nano-enzyme that can significantly enhance the efficacy of flonicamid against S. invicta.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Environmental Sciences
Jiantao Fu et al.
Summary: The red imported fire ant (RIFA) is an invasive species that poses significant threats to human health and the environment. Chemical insecticides are currently used to control RIFA, but there is a need for environmentally friendly pest control methods. This study investigated the fumigation activity of six essential oils against RIFA using the HS-SPME-GC/MS method. The essential oils exhibited excellent fumigation activity and caused the death of RIFA. Furthermore, the essential oils affected the aggregation, aggressiveness, gripping abilities, and enzyme activities of RIFA. In conclusion, plant essential oils have the potential to be a green and sustainable control method for RIFA.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Jiantao Fu et al.
Summary: In this study, the fumigation activity and behavioral effects of six plant essential oils on red imported fire ant (RIFA) were investigated. It was found that the essential oils could cause the death of RIFA and reduce their aggregation, aggressiveness, and gripping abilities. Additionally, the essential oils enhanced the activities of protective enzymes in RIFA. The results demonstrate that plant essential oils have the potential to be a green and environmentally sustainable control method for RIFA.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Biodiversity Conservation
Robert J. Warren et al.
Summary: The invasion of non-native species, habitat fragmentation, and climate change individually have negative impacts on natural systems. However, their combined effects can be worse than the sum of their parts. A study conducted in the Southeastern U.S. found that forest fragmentation and experimental warming facilitated the invasion of non-native ants on native ants. Additionally, experimental warming exacerbated the negative effects of non-native ants on native ant foraging.
BIOLOGICAL INVASIONS
(2023)
Review
Entomology
Ralf Nauen et al.
Summary: Insect cytochrome P450 monooxygenases (P450s) play important physiological roles and are particularly involved in the detoxification of xenobiotics. Recent advances in insect genomics and functional approaches have shed light on the evolution of insect P450s, their regulation mechanisms, and the genetic alterations leading to insecticide resistance. Additionally, studies on the sensitivity of beneficial insects to insecticides have provided valuable knowledge for managing P450-mediated resistance and safeguarding their health.
ANNUAL REVIEW OF ENTOMOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Junaid Ali Siddiqui et al.
Summary: The red imported fire ant poses a significant threat to biodiversity and ecosystems through its invasive behavior. A study investigated the biochemical response of the ant species to the insecticide indoxacarb and found that it caused substantial changes in gene expression and signaling pathways.
Article
Genetics & Heredity
Wanjun Lu et al.
Summary: This study systematically examined the susceptibility of fruit fly nAChR subunit mutants to eleven insecticides and found that different subtypes of nAChRs are responsible for the toxicity of different insecticides. Three subtypes were identified as the major molecular targets of neonicotinoids. Spinosyns were found to exclusively act on one specific subtype of nAChRs. The results further confirmed that neonicotinoids exert their insecticidal effects through receptor activation rather than inhibition. These findings have important implications for resistance management and the development of novel insecticides.
Article
Entomology
Bai-Zhong Zhang et al.
Summary: Cytochrome P450 monooxygenases are key in pest resistance to insecticides. Among the four new P450 genes identified from Solenopsis invicta, CYP6AS160 was highly expressed in the abdomen and could be significantly induced by exposure to fipronil, while CYP4AB73 was not highly expressed in the abdomen and could not be significantly induced by fipronil.
BULLETIN OF ENTOMOLOGICAL RESEARCH
(2022)
Article
Agronomy
Yonglei Zhang et al.
Summary: Three insect cytochrome P450 monooxygenase genes (TcCYP4Q3, TcCYP4Q5, and TcCYP4Q7) in Tribolium castaneum are regulated by the CncC signaling pathway and play a role in the susceptibility of the beetles to eugenol, a phytochemical. These findings have implications for the development of novel therapeutics to control pests.
PEST MANAGEMENT SCIENCE
(2022)
Article
Entomology
Raed Bouafoura et al.
Summary: The study found significant variations in the expression of key transcripts in Colorado potato beetles resistant to clothianidin, and reducing endogenous levels of targets modulated by clothianidin increased susceptibility to this neonicotinoid.
Article
Entomology
Wenya Zhu et al.
Summary: Parasitic Trichogramma chilonis Ishii, an egg parasitoid, plays a critical role in biological control of insect pests in crop plants. However, its efficacy is hindered by resistance to the pesticide chlorantraniliprole. This study identified differentially expressed genes (DEGs) associated with chlorantraniliprole resistance in T. chilonis at different developmental stages. The DEGs were found to be involved in cytochrome P450- and glutathione metabolism-related pathways, which are predicted to be responsible for chlorantraniliprole detoxification. These findings provide valuable insights for optimizing agricultural production through a balanced approach of chemical and biological control practices.
JOURNAL OF INSECT SCIENCE
(2022)
Article
Physiology
Shengfang Wen et al.
Summary: The study showed that continuous use of TFM can increase resistance of SBPH to TFM, but the resistance level can gradually decrease after stopping use. The resistant strains did not show cross-resistance to other neonicotinoid insecticides, but the increased activity of P450 enzyme may be due to the overexpression of P450 genes.
FRONTIERS IN PHYSIOLOGY
(2022)
Article
Multidisciplinary Sciences
Xiaomu Qiao et al.
Summary: This study identified nicotinamidase (Naam) as a previously unknown molecular target for the insecticide flonicamid. Inhibition of Naam by a metabolite of flonicamid led to defects in gravity sensing in flies. The resistance of bees to flonicamid was due to a gene duplication.
Article
Biochemistry & Molecular Biology
Ming-yang Li et al.
Summary: This study evaluated the impact of chlorantraniliprole on Chilo suppressalis and two parasitic wasps. The results showed that chlorantraniliprole had negligible toxicity to Eriborus terebrans but was significantly toxic to Chelonus munakatae. The detoxification metabolism and target site might mediate the susceptibility difference between C. suppressalis and its parasitic wasps.
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Chengyu Chen et al.
Summary: This study identified P450 genes involved in thiamethoxam detoxification in Bradysia odoriphaga through transcriptome sequencing and analysis of differentially expressed genes.
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Ting Xiong et al.
Summary: This article studied the toxicity of Fluralaner against S. invicta and the involvement of metabolism-related enzymes in the metabolism process of Fluralaner. The results showed that Fluralaner was effective against S. invicta through topical application and feeding application, and cytochrome P450 monooxygenase and carboxylesterase might be involved in the detoxification of Fluralaner.
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
(2022)
Article
Physiology
Junaid Ali Siddiqui et al.
Summary: Insecticide resistance is a major challenge in controlling destructive pests such as red imported fire ants. In this study, resistance development and its molecular mechanisms were examined in populations of Solenopsis invicta collected from different cities in Guangdong, China. The results showed high resistance to fipronil and beta-cypermethrin in the Guangzhou population. Enzymatic activities associated with detoxification were found to significantly increase with insecticide concentrations. Transcriptomic analysis revealed differentially expressed genes and identified metabolic pathways and signaling pathways associated with insecticide resistance. The study highlights the importance of detoxification enzymes and provides valuable information for future research on insecticide detoxification and risk assessment.
FRONTIERS IN PHYSIOLOGY
(2022)
Editorial Material
Ecology
Zinan Wang et al.
Summary: The study by Marden et al. investigates how gene variants with opposing effects on fitness in juvenile and adult insects perform in different ecological settings, using alleles of antagonistic genes in the Glanville fritillary butterfly as a model. The research highlights how antagonistic pleiotropy can contribute to species adaptation in patchy environments.
Article
Entomology
Hironori Sakamoto et al.
Summary: The red imported fire ant is a serious invasive alien ant that has expanded its invasive range to the Pacific Rim since the early 2000s. However, little information is available on the efficacy of insecticides against S. invicta in Japan. Research has shown that fipronil is the most promising agent for controlling S. invicta.
APPLIED ENTOMOLOGY AND ZOOLOGY
(2021)
Article
Biology
Ralf Nauen et al.
Summary: Insect cytochrome P450 monooxygenases play a crucial role in oxidative transformation of substrates, including insecticides, detoxification of plant secondary metabolites, and determining insecticide selectivity in beneficial arthropods. Recent advancements in studying the functional relevance of P450s for xenobiotic metabolism through recombinant expression have shown partial success in improving functional expression by borrowing strategies from mammalian P450s.
CURRENT OPINION IN INSECT SCIENCE
(2021)
Article
Biology
Kai Lu et al.
Summary: The article discusses the role of insect P450-mediated detoxification in adaptation to xenobiotics and highlights recent progress in the molecular regulation of P450.
CURRENT OPINION IN INSECT SCIENCE
(2021)
Article
Multidisciplinary Sciences
Ting Yang et al.
Summary: This study utilized RNAi techniques to determine the roles of key P450 genes overexpressed in permethrin resistant mosquitoes. The results revealed that knockdown of 8 key P450 genes significantly decreased resistance to permethrin in resistant mosquitoes, highlighting the functional importance of these genes in insecticide resistance. Additionally, in silico modeling and docking analysis indicated the potential metabolic function of overexpressed P450 genes in the development of insecticide resistance in mosquitoes.
SCIENTIFIC REPORTS
(2021)
Article
Chemistry, Medicinal
Jerome Eberhardt et al.
Summary: AutoDock Vina is a widely used open-source program for molecular docking with new features such as support for macrocycles and explicit water molecules. The latest version also includes support for AutoDock4.2 scoring function, simultaneous docking of multiple ligands, and a batch mode for docking a large number of ligands. Python bindings have been implemented to facilitate scripting and workflow development.
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(2021)
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(2020)
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Lei Wang et al.
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Yuzhe Du et al.
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Environmental Sciences
Shanshan Wang et al.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2018)
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Shuguang Yuan et al.
WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL MOLECULAR SCIENCE
(2017)
Review
Entomology
Fang-Hao Wan et al.
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JOURNAL OF INTEGRATIVE AGRICULTURE
(2016)
Review
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Michelle T. Fountain et al.
BIOLOGICAL CONTROL
(2015)
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Nannan Liu et al.
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Angela M. Moraes et al.
BIOTECHNOLOGY ADVANCES
(2012)
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Eugene V. Koonin et al.
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PEST MANAGEMENT SCIENCE
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