Insights into insecticide-resistance mechanisms in invasive species: Challenges and control strategies

Frontiers in Physiology, Год журнала: 2023, Номер 13

Опубликована: Янв. 9, 2023

Threatening the global community is a wide variety of potential threats, most notably invasive pest species. Invasive species are non-native organisms that humans have either accidentally or intentionally spread to new regions. One effective and first lines control strategies for controlling pests application insecticides. These toxic chemicals employed get rid pests, but they pose great risks people, animals, plants. Pesticides heavily used in managing current era. Due overuse synthetic chemicals, numerous already developed resistance. The resistance development main reason failure manage Developing pesticide management techniques necessitates thorough understanding mechanisms through which insects acquire insecticide Insects use behavioral, biochemical, physiological, genetic, metabolic methods deal with can lead continuous overexpression detoxifying enzymes. An overabundance enzymes causes resistance, pesticides rendering them ineffective against pests. A key factor amplification certain enzymes, specifically esterases, Glutathione S-transferase, Cytochromes p450 monooxygenase, hydrolyses. Additionally, insect guts offer unique habitats microbial colonization, gut bacteria may serve their hosts useful services. Most importantly, detoxification insecticides leads development. complete knowledge could be very helpful coping challenges effectively developing Integrated Pest Management particularly at lowering risk chemical environmental contaminants resulting health issues, it also ways

Язык: Английский

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The pivotal roles of gut microbiota in insect plant interactions for sustainable pest management

npj Biofilms and Microbiomes, Год журнала: 2023, Номер 9(1)

Опубликована: Сен. 21, 2023

The gut microbiota serves as a critical "organ" in the life cycle of animals, particularly intricate interplay between herbivorous pests and plants. This review summarizes pivotal functions mediating insect-plant interactions, encompassing their influence on host insects, modulation plant physiology, regulation third trophic level species within ecological network. Given these significant functions, it is plausible to harness interactions underlying mechanisms develop novel eco-friendly pest control strategies. In this context, we also outline some emerging methods based intestinal or bacteria-mediated such symbiont-mediated RNAi paratransgenesis, albeit are still nascent stages confront numerous challenges. Overall, both opportunities challenges coexist exploration microbiota-mediated insect plants, which will not only enrich fundamental knowledge plant-insect but facilitate development sustainable

Язык: Английский

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Detoxification of phoxim by a gut bacterium of Delia antiqua

The Science of The Total Environment, Год журнала: 2024, Номер 943, С. 173866 - 173866

Опубликована: Июнь 9, 2024

Язык: Английский

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Enhanced capacity of a leaf beetle to combat dual stress from entomopathogens and herbicides mediated by associated microbiota

Integrative Zoology, Год журнала: 2024, Номер 19(6), С. 1092 - 1104

Опубликована: Фев. 20, 2024

Herbicides have demonstrated their impact on insect fitness by affecting associated microbiota or altering the virulence of entomopathogenic fungi toward insects. However, limited research has explored implications herbicide stress intricate tripartite interaction among insects, bacterial communities, and entomopathogens. In this study, we initially that bacteria confer a leaf beetle, Plagiodera versicolora, with capability to resist fungus Aspergillus nomius infection, sustained even under glyphosate stress. Further analysis revealed significant alteration in abundance composition due treatment. The dominant bacterium, post A. infection following combination treatments, exhibited strong suppressive effects fungal growth. Additionally, markedly inhibited pathogenic bacterium Pseudomonas though it P. versicolora's immunity, ultimately enhancing beetle's tolerance nomius. summary, our findings suggest bestow an augmented resilience against dual stressors both entomopathogen glyphosate. These results provide insight into residues interactions bacteria, fungi, holding for pest control ecosystem assessment.

Язык: Английский

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Contribution of insect gut microbiota and their associated enzymes in insect physiology and biodegradation of pesticides

Frontiers in Microbiology, Год журнала: 2022, Номер 13

Опубликована: Сен. 14, 2022

Synthetic pesticides are extensively and injudiciously applied to control agriculture household pests worldwide. Due their high use, toxic residues have enormously increased in the agroecosystem past several years. They caused many severe threats non-target organisms, including humans. Therefore, complete removal of compounds is gaining wide attention protect ecosystem diversity living organisms. Several methods, such as physical, chemical biological, degrade compounds, but compared other biological methods considered more efficient, fast, eco-friendly less expensive. In particular, employing microbial species purified enzymes makes degradation pollutants accessible converts them into non-toxic products by metabolic pathways. The digestive tract insects usually known a superior organ that provides nutrient-rich environment hundreds perform pivotal role various physiological ecological functions. There direct relationship between insect pests: reduce growth alter phyla located gut microbiome. comparison, microbiota tries changing toxicity, increasing production regulation diverse range enzymes. These breakdown derivatives, utilize sole source carbon, sulfur energy. resistance (carbamates, pyrethroids, organophosphates, organochlorines, neonicotinoids) developed mechanisms, expression detoxifying genes guts. This review summarizes effects agrochemicals on humans, animals, birds beneficial arthropods. It explores preferential process mechanism species. Additionally, pathways been systematically discussed better understand xenobiotics

Язык: Английский

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Role of gut symbionts of insect pests: A novel target for insect-pest control

Frontiers in Microbiology, Год журнала: 2023, Номер 14

Опубликована: Март 13, 2023

Insects possess beneficial and nuisance values in the context of agricultural sector human life around them. An ensemble gut symbionts assists insects to adapt diverse extreme environments occupy every available niche on earth. Microbial symbiosis helps host by supplementing necessary diet elements, providing protection from predators parasitoids through camouflage, modulation signaling pathway attain homeostasis trigger immunity against pathogens, hijacking plant pathways circumvent defence, acquiring capability degrade chemical pesticides, degradation harmful pesticides. Therefore, a microbial strategy can lead overpopulation insect pests, which drastically reduce crop yield. Some studies have demonstrated increased mortality via destruction symbionts; use antibiotics. The review summarizes various roles played microbiota pests some that been conducted pest control targeting symbionts. Manipulation or exploitation alters growth population is consequently potential target for development better strategies. Methods such as CRISPR/Cas9, RNAi combining IIT SIT increase are further discussed. In ongoing management scenario, proving be reliable, eco-friendly novel approach integrated management.

Язык: Английский

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“Ectomosphere”: Insects and Microorganism Interactions

Microorganisms, Год журнала: 2023, Номер 11(2), С. 440 - 440

Опубликована: Фев. 9, 2023

This study focuses on interacting with insects and their ectosymbiont (

Язык: Английский

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Insect Microbial Symbionts: Ecology, Interactions, and Biological Significance

Microorganisms, Год журнала: 2023, Номер 11(11), С. 2665 - 2665

Опубликована: Окт. 30, 2023

The guts of insect pests are typical habitats for microbial colonization and the presence bacterial species inside gut confers several potential advantages to insects. These bacteria located symbiotically digestive tracts insects help in food digestion, phytotoxin breakdown, pesticide detoxification. Different shapes chemical assets gastrointestinal have a significant impact on structure makeup population. number communities system differs owing varying shape composition tracts. Due their short generation times rapid evolutionary rates, can develop numerous metabolic pathways adapt diverse ecological niches. In addition, despite hindering insecticide management programs, they still biotechnological uses, including industrial, clinical, environmental uses. This review discusses prevalent associated with guts, mode symbiotic interaction, role resistance, various other biological significance, along knowledge gaps future perspectives. practical consequences microbiome its interaction host may lead encountering mechanisms behind evolution resistance

Язык: Английский

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Lactic acid bacteria modulate the CncC pathway to enhance resistance to β-cypermethrin in the oriental fruit fly

The ISME Journal, Год журнала: 2024, Номер 18(1)

Опубликована: Янв. 1, 2024

Abstract The gut microbiota of insects has been shown to regulate host detoxification enzymes. However, the potential regulatory mechanisms involved remain unknown. Here, we report that bacteria increase insecticide resistance by activating cap “n” collar isoform-C (CncC) pathway through enzymatically generated reactive oxygen species (ROS) in Bactrocera dorsalis. We demonstrated Enterococcus casseliflavus and Lactococcus lactis, two lactic acid-producing bacteria, B. dorsalis β-cypermethrin regulating cytochrome P450 (P450) enzymes α-glutathione S-transferase (GST) activities. These symbionts also induced expression CncC muscle aponeurosis fibromatosis. BdCncC knockdown led a decrease caused bacteria. Ingestion ROS scavenger vitamin C resistant strain affected BdCncC/BdKeap1/BdMafK, resulting reduced GST activity. Furthermore, feeding with E. or L. lactis showed BdNOX5 increased production, BdCncC/BdMafK genes. Moreover, acid activated ROS-associated regulation Collectively, our findings indicate symbiotic modulate intestinal pathways affecting physiological biochemistry, thus providing new insights into involvement insect microbes development resistance.

Язык: Английский

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Recent insights into pesticide resistance mechanisms in Plutella xylostella and possible management strategies

Environmental Science and Pollution Research, Год журнала: 2023, Номер 30(42), С. 95296 - 95311

Опубликована: Авг. 22, 2023

Язык: Английский

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