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Deteriorating microbiomes in agriculture - the unintended effects of pesticides on microbial life.

There is emerging concern regarding the unintentional and often unrecognized antimicrobial properties of "non-antimicrobial" pesticides. This includes insecticides, herbicides, and fungicides commonly used in agriculture that are known to produce broad ranging, off-target effects on beneficial wildlife, even at seemingly non-toxic low dose exposures. Notably, these obscure adverse interactions may be related to host-associated microbiome damage occurring from antimicrobial effects, rather than the presumed toxic effects of pesticides on host tissue. Here, we critically review the literature on…

High Pesticide Exposure Events and Dream-Enacting Behaviors Among US Farmers.

BACKGROUND: Dream-enacting behavior is a characteristic feature of rapid eye movement sleep behavior disorder, the most specific prodromal m … he analyses of specific pesticides involved, we found positive associations with two organochlorine insecticides (dichlorodiphenyltrichloroethane and lindane), four organophosphate insecticides (phorate, ethoprop, terbufos, and parathion), two herbicides (alachlor and paraquat), and fungicides as a group. CONCLUSIONS: This study provides the first epidemiolog …

Occupational pesticide use and self-reported olfactory impairment in US farmers.

OBJECTIVES: Pesticide exposure may impair human olfaction, but empirical evidence is limited. We examined associations between occupational … odds of olfactory impairment compared with never use (p-trend ≤ 0.05), including two organochlorine insecticides (dichlorodiphenyltrichloroethane and lindane), two organophosphate insecticides (diazinon and malathion), permethrin, the fungicide captan and six herbicides (glyphosate, petroleum distillates, 2,4-dichlorophenoxyacetic acid, 2,4,5-trichlorophenoxya …

Beyond neonicotinoids - Wild pollinators are exposed to a range of pesticides while foraging in agroecosystems.

Pesticide exposure is a growing global concern for pollinator conservation. While most current pesticide studies have specifically focused on the impacts of neonicotinoid insecticides toward honeybees and some native bee species, wild pollinators may be exposed to a broader range of agrochemicals. In 2016 and 2017 we collected a total of 637 wild bees and butterflies from the margins of cultivated agricultural fields situated on five Conservation Areas in mid-northern Missouri. Pollinators were composited by individual genera (90 samples) and whole tissues were then analyzed for the presence o…

New dimensions in the field of antimalarial research against malaria resurgence.

Malaria is a life threatening disease caused by microscopic parasites called Plasmodium that are transmitted to human beings by mosquitoes. … vector of the disease i.e. mosquitoes became resistive towards Pyrethroids, which are only class of insecticides recommended for vector control. Artemisinin based combination therapy gained acceptance as an effective approach to counter the spread of disease resistance to chloroquine, sulfadoxine, pyrimethamine and other anti malarial drugs. Understanding the …

Evaluation of active ingredients and larvicidal activity of clove and cinnamon essential oils against Anopheles gambiae (sensu lato).

BACKGROUND: Mosquitoes are well-known vectors of many diseases including malaria and lymphatic filariasis. Uses of synthetic insecticides are associated with high toxicity, resistance, environmental pollution and limited alternative, effective synthetic insecticides. This study was undertaken to evaluate the larvicidal efficacy of clove and cinnamon essential oils against laboratory Anopheles gambiae (sensu stricto) and wild An. arabiensis larvae. METHODS: The standard WHO guideline for larvicides evaluation was used, and the GC-MS machine was used for active compounds percentage composition …

Pesticides are Associated with Allergic and Non-Allergic Wheeze among Male Farmers.

BACKGROUND: Growing evidence suggests that pesticide use may contribute to respiratory symptoms. OBJECTIVE: We evaluated the association of … gative); 11 pesticides were associated with both. Seven pesticides (herbicides: 2,4-D and simazine; insecticides: carbaryl, dimethoate, disulfoton, and zeta-cypermethrin; and fungicide pyraclostrobin) had significantly different associations for allergic and non-allergic wheeze. In exposure-response models with up to five exposure categories, we saw evidence o …

Evaluation of the efficacy of bendiocarb in indoor residual spraying against pyrethroid resistant malaria vectors in Benin: results of the third campaign.

BACKGROUND: Since 2008, the National Malaria Control Program (NMCP) has been engaged in the implementation of indoor residual spraying (IRS) … les populations resistant to pyrethroids. This product can be recommended in combination with other insecticides for the management of vector resistance to insecticides.

Роль семейных, экологических и профессиональных факторов в развитии болезни Паркинсона.

Несмотря на интенсивные исследования, проведенные за последние несколько десятилетий, причина болезни Паркинсона остается неизвестной. Инфекции, токсины, образ жизни и наследственные факторы должны были сыграть свою роль в зарождении болезни Паркинсона. Окончательные механизмы нейрональных травм и смерти, вероятно, аналогичны, когда важное значение имеют как генетические, так и экологические факторы, и эти два фактора взаимодействуют по этиопатогенному пути. ЦЕЛЬ: Цель настоящего исследования заключается в оценке роли семейных, экологических и профессиональных факторов в развитии болезни Парки

Совпадение в аннотации оригинала
BACKGROUND: Despite intensive research during the past several decades, the cause of Parkinson's disease remains unknown. Infections, toxins … of living, family history of Parkinson's disease and tremor, source of drinking water, exposure to insecticides, pesticides, herbicides and industrial toxins, acute poisoning, CNS infections and head injury. The duration of exposure to the risk factors and the history of Parkinson's disease among the cases were investigated after obtaining written informed co …

Unraveling acetamiprid resistance in Aphis craccivora (Hemiptera: Aphididae): resistance risk assessment, fitness costs, cross-resistance, biochemical and molecular characterization, and in silico docking study.

Aphis craccivora Koch (Hemiptera: Aphididae) is a major sucking pest of legumes. Neonicotinoid insecticides are extensively utilized for A. craccivora control. The extended use of neonicotinoids, including acetamiprid (ACP) to manage A. craccivora, has led to the development of resistance. However, the potential to delay the development of ACP resistance in A. craccivora has not yet been investigated. Our study aimed to examine the development of ACP resistance in A. craccivora over 20 generations, and the associated heritability (h2), fitness costs, biochemical mechanisms, and potential cross…

Effects of resistance to Bt proteins Cry1Ac and Vip3Aa on flight traits of Helicoverpa zea.

BACKGROUND: Genetically engineered crops producing insecticidal Bacillus thuringiensis proteins are useful for managing some key insect pests, including Helicoverpa zea (corn earworm or bollworm). In the United States, widespread practical resistance to crystalline (Cry) proteins and early warning of resistance to the vegetative insecticidal protein Vip3Aa have been reported for H. zea. To test the hypothesis that resistance to Cry1Ac or Vip3Aa causes fitness costs affecting flight and related traits in H. zea, we compared lab-selected Cry1Ac-resistant and Vip3Aa-resistant strains with their s

CYP6AB328-mediated spinetoram resistance via N-demethylation in Tuta absoluta: A potential resistance monitoring marker.

BACKGROUND: Tuta absoluta, a major pest of solanaceous crops, has rapidly evolved resistance to spinosyn insecticides, causing significant damage to global crops. Our previous study demonstrated that CYP6AB328 plays an important role in the development of spinetoram resistance. However, the direct metabolic role of this detoxification enzyme in spinetoram metabolism remains unclear. RESULTS: In this study, we conducted a docking analysis between CYP6AB328 and spinetoram. Our docking analysis showed a good binding affinity between CYP6AB328 and spinetoram, with an energy of less than -6.0 kcal…

Heterogeneous duplication and point mutation of ace-1 confer organophosphates and carbamates resistance to Anopheles sinensis field populations in Guizhou Province, China.

BACKGROUND: Guizhou Province has historically been a region severely affected by malaria in China. For decades, vector control has served as a cornerstone of national efforts to control and eliminate malaria. However, the efficacy of this strategy is largely challenged by the development of insecticide resistance. In the present study, the resistance status to organophosphates (OPs) and carbamates (CBs) of Anopheles sinensis field populations across Guizhou Province was investigated with a primary focus on elucidating the underlying mechanisms. METHODS: From 2017 to 2024, mosquitoes were coll

Experimental hut evaluation of mosquito shield, a transfluthrin spatial emanator, for control of wild pyrethroid resistant malaria vectors in Benin.

Spatial emanators disrupt mosquito behaviour by inducing movement away from chemical stimuli and interfering with host detection and feeding. These tools were recently endorsed by the World Health Organization (WHO) for malaria control, based largely on clinical evidence from East Africa. Mosquito Shield™ is a passive, transfluthrin-based emanator designed to provide month-long protection in enclosed or semi-enclosed spaces. This study evaluated its entomological efficacy under experimental hut conditions in Benin, West Africa to generate evidence in support of WHO prequalification. An experim

CRISPR/Cas9-based evidence that overexpression of Gm-mGST1 mediates abamectin resistance in the oriental fruit moth, Grapholita molesta.

Abamectin-based insecticides are widely used in integrated pest management and are particularly effective against fruit borers such as the oriental fruit moth, Grapholita molesta. However, rapid resistance evolution threatens their long-term efficacy. This study elucidates the role of the glutathione S-transferase gene Gm-mGST1 in abamectin resistance in G. molesta. A laboratory-selected resistant strain (AB-R) exhibited an 85.5-fold increase in resistance compared with a susceptible strain (AB-S). Sequencing of glutamate-gated chloride channel (GmGluCl) gene revealed no target-site mutations,…

The BiteBarrier transfluthrin emanator demonstrates significant protection against susceptible and resistant malaria and arbovirus vectors in semi-field trials in Tanzania.

Controlling mosquito-borne diseases is becoming increasingly challenging due to factors such as insecticide resistance and shifts in mosquito behavior. The increasing proportion of early evening, morning, and outdoor biting reduces the effectiveness of core interventions like bed nets, which mainly protect people while sleeping indoors. In response, spatial emanators that release volatile active ingredients into the surrounding air to reduce human-vector contact offer a scalable, complementary strategy. This study evaluated the impact of BiteBarrier, a transfluthrin-based spatial emanator, ove

Impact of malaria control interventions on malaria infection and anaemia in areas with irrigated schemes: a cross-sectional population-based study in Sudan.

BACKGROUND: While the overall burden of malaria is still high, the global technical strategy for malaria advocates for two sets of interventions: vector control-based prevention and diagnosis and prompt effective treatment of malaria cases. This study aimed to assess the performance of malaria interventions on malaria infection and anaemia in irrigated areas in Sudan. METHODS: Based on the Sudan 2016 national malaria indicator survey, data for two states (Gezira and Sennar), characterized by large-irrigated schemes, were analysed. Four community-level malaria interventions were used as contex

Bioallethrin activates specific olfactory sensory neurons and elicits spatial repellency in Aedes aegypti.

BACKGROUND: Use of pyrethroid insecticides is a pivotal strategy for mosquito control globally. Commonly known for their insecticidal activity by acting on voltage-gated sodium channels, pyrethroids, such as bioallethrin and transfluthrin, are used in mosquito coils, emanators and other vaporizers to repel mosquitoes and other biting arthropods. However, whether specific olfactory receptor neurons are activated by pyrethroids to trigger spatial repellency remains unknown. RESULTS: We used behavioral and electrophysiological approaches to elucidate the mechanism of bioallethrin repellency in A…

Active dispersal in Triatoma infestans (Klug, 1834) (Hemiptera: Reduviidae: Triatominae): Effects of nutritional status, the presence of a food source and the toxicological phenotype.

In Argentina, the main vector of Chagas disease is Triatoma infestans (Klug, 1834). In recent years, the presence of T. infestans was reported in human dwelling after spraying with pyrethroids in several locations in Argentina. The presence of these insects can be attributed, among other factors, to colonization by bugs from sylvatic or peridomestic populations or to the evolution of resistance to insecticides. In both cases, the dispersal of insects is a determining factor. The aim was to determinate the interaction of dispersal with feeding, food resource and resistance to insecticides. Thre…

Lucilia cuprina genome unlocks parasitic fly biology to underpin future interventions.

Lucilia cuprina is a parasitic fly of major economic importance worldwide. Larvae of this fly invade their animal host, feed on tissues and excretions and progressively cause severe skin disease (myiasis). Here we report the sequence and annotation of the 458-megabase draft genome of Lucilia cuprina. Analyses of this genome and the 14,544 predicted protein-encoding genes provide unique insights into the fly's molecular biology, interactions with the host animal and insecticide resistance. These insights have broad implications for designing new methods for the prevention and control of myiasis