Phytoremediation evaluation of forever chemicals using hemp (Cannabis sativa L.): Pollen bioaccumulation and the risk to bees

Chemosphere, Journal Year: 2024, Volume and Issue: 370, P. 143859 - 143859

Published: Dec. 12, 2024

Per- and polyfluoroalkyl substances (PFAS), often termed "forever chemicals," are a diverse group of persistent fluorinated compounds, including the well-known perfluorooctanesulfonic acid (PFOS), which has been identified as lethal to bee larvae. However, risk PFAS exposure through pollen, bee's primary food source, not thoroughly investigated. In controlled greenhouse experiments, Cannabis sativa L. (hemp) plants were cultivated in soil contaminated with eight compounds. Phytoremediation potential was assessed by measuring bioconcentration factors (BCF) both total above-ground biomass pollen. The study found that BCF for hemp pollen significant (>20.8), over 45% uptake around 3,248 μg/kg concentrated Based on these figures, estimated daily intake (EDI) PFOS western honeybees (Apis mellifera) be about 124.5 body weight per day. These findings underscore critical global threat pollinator health, implications agriculture biodiversity.

Language: Английский

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Early-Life Sublethal Exposure to Thiacloprid Alters Adult Honeybee Gut Microbiota

Genes, Journal Year: 2024, Volume and Issue: 15(8), P. 1001 - 1001

Published: July 31, 2024

Thiacloprid, a neonicotinoid pesticide, is known to affect the gut microbiome of honeybees, yet studies often focus on immediate alternations during exposure, overlooking long-term microbiological impacts post-exposure. This study investigates influences sublethal thiacloprid administered larval developmental stage honeybees physiological changes and microbiota adult honeybees. We found that exposure increased mortality sugar intake in emerged Using 16S rDNA sequencing, we analyzed intestinal microbial diversity at one six days post-emergence. Our findings reveal significant but transient disruption day 1, with recovery from dysbiosis by 6. emphasizes importance evaluating chronic risks protect honeybee health.

Language: Английский

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Development of Germline Progenitors in Larval Queen Honeybee ovaries

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: April 26, 2024

Abstract Honeybees ( Apis mellifera ) are a keystone species for managed pollination and the production of hive products. Eusociality in honeybees leads to much reproduction driven by queen. Queen bees have two large active ovaries that can produce numbers eggs if conditions appropriate. These also throughout long lives these insects, up 5 years some cases. Recent studies indicated germline precursors adult honeybee queen ovary organized into 8 cell clusters, joined together polyfusome; cytoplasmic bridge. To understand origin trace development ovary, we examined types regionalization developing larval pupal ovaries. We used established nanos castor ), novel odd skipped gene expression markers determine regions ovary. Primordial cells develop embryo structures before hatches. The is regionalized Larval Stage 3 terminal filaments germaria. At this stage clusters germaria fusomes dividing synchronously. 8-cell germarium therefore during stages. On emergence, has but not yet developed any vitellaria, which produced after embarks on nuptial flight. lack germaria, storing progenitors as may be adaptions endure metabolic demands flight, well rapidly lay establish hive.

Language: Английский

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Liposome-based RNAi delivery in honeybee for inhibiting parasite Nosema ceranae

Synthetic and Systems Biotechnology, Journal Year: 2024, Volume and Issue: 9(4), P. 853 - 860

Published: July 18, 2024

, a parasite that parasitizes and reproduces in the gut of honeybees, has become serious threat to global apiculture industry. RNA interference (RNAi) technology can be used inhibit

Language: Английский

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Versatile and potent insecticide scavengers based on locust cell membrane-adapted mesoporous silicon microparticles to protect managed pollinators

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 11, 2024

Sustainable agriculture highly relies on pollinators which affect the production and diversity of around 75% foodcrops worldwide. However, population fitness are showing sharp declining trends for years. Exposure to insecticides especially during crop pollination together with lacking effective management method has been reported as a dominant factor. Here, we have developed versatile potent insecticide scavengers based locust cell membrane tannic acid (TA)-coated mesoporous silicon microparticles (MTSM) prevent from broad-spectrum including organophosphorus, pyrethroids, neonicotinoids. Leveraging π-π stacking TA specific binding by acetylcholinesterases, nicotine receptors acetylcholine, or voltage-gated sodium channels membrane, MTSM presented enormously high removal efficiency various while minimum nonspecific clearance favorable enzymes mainly exsisting in gastrointestinal system bees. Notably, exhibited over 12 h residency tract bumblebees facilitate scanvenging, could be almost entirly excreted bees within 48 h, causing no death even at concentration 50 mg/mL. In microcolonies bumblebee fed insecticide-contaminated impatien pollen patties, revealed dose-dependent detoxicification capacity towards organophosphorus neonicotinoids insecticides. constrast complete triazophos dose 98 ng/bee 5 days, survival rate was significantly elevated 90% doses 1.0 20 mg/mL 10 respectively. Overall, combining merits good safety, facile construction, efficient detoxification presents protect managed multiclass

Language: Английский

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Comprehensive assessment of the health condition of managed honey bees potentially exposed to contamination with agrochemical residues

Anais da Academia Brasileira de Ciências, Journal Year: 2024, Volume and Issue: 96(suppl 3)

Published: Jan. 1, 2024

The growing demand for honey bee pollination services induces fluctuations in their populations and changes health status. current study aims to characterize the condition of managed bees three territories Department Lambayeque, Peru, from a holistic perspective, considering several factors affecting health, including management practices, traits beekeepers apiaries, colony strength, infestation rates by Varroa sp., presence agrochemical residues bread. results showed land use, with large areas crops dependent on pollination, determining exposition residues. 67% bread samples presented pesticide residues, mainly, chlorpyrifos, carbendazim, boscalid, azoxystrobin. In addition, limited expertise good practices (i.e., inadequate disinfection beekeeping materials, unsatisfactory varroa mites' surveillance, lack protein supplements, sanitary gaps) leads deficiencies strength high sp. prevalence territory, altering condition. To best our knowledge, this article illustrates impact strongly anthropized ecosystems found along Peru's coast's arid zone that territory One Health perspective.

Language: Английский

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Impact of Fipronil and Lambda-Cyhalothrin on Foraging Behaviour of <i>Apis dorsata</i> in Onion

Indian Journal of Entomology, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 5

Published: Dec. 6, 2024

This study investigated the impact of fipronil and lambda-cyhalothrin on foraging behaviour Apis dorsata in onion. Prior to treatment, activity was 16.11 16.88 bees/ m²/ 10 min which dropped 0.88 1.11 after first day application lambda-cyhalothrin, respectively. Similarly, reduced rates 8.83 9.24/ min. Foraging speed decreased significantly for both treatments but gradually recovered; fipronil-treated bees averaged 4.33 sec/flower initially returned 10.16 sec/ flower by 6, while lambda-cyhalothrin-treated showed a decrease from 16.66 2.66 flower, stabilizing at 5. varied with plants showing peak 1 (9.66 flowers/ min) before normalizing, increased 8.33 min, then declined 6.50 14.

Language: Английский

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Acute and sublethal effects of acetamiprid alone and in mixture with emamectin benzoate on honeybee, Apis mellifera

Journal of Asia-Pacific Entomology, Journal Year: 2023, Volume and Issue: 26(4), P. 102125 - 102125

Published: Aug. 25, 2023

Language: Английский

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