298 results match your criteria: "University of Natural Resources and Life Sciences Vienna (BOKU)[Affiliation]"

Recycling honey bee drone brood for sustainable beekeeping.

J Econ Entomol

December 2024

Institute of Bioanalytics and Agro-Metabolomics, Department of Agrobiotechnology IFA-Tulln, University of Natural Resources and Life Sciences Vienna (BOKU), Tulln, Austria.

Pollination by insects is vital for global agriculture, with honey bees (Apis mellifera L.) being the most important pollinators. Honey bees are exposed to numerous stressors, including disease, pesticides, and inadequate nutrition, resulting in significant colony losses.

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Article Synopsis
  • The study investigates polymorphic genomic inversions in the spruce bark beetle (Ips typographus), a significant forest pest in Europe, examining their prevalence and role in local adaptation.
  • Researchers analyzed 240 individuals across 18 populations, identifying 27 polymorphic inversions that account for ~28% of the genome, revealing a complex genomic landscape influenced by recombination and overlap.
  • The findings suggest that these inversions may be maintained by neutral processes rather than traditional evolutionary mechanisms, and they are notably enriched in genes related to odorant receptors, highlighting their potential impact on traits linked to ecological interactions.
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A novel ionic liquid-based approach for DNA and RNA extraction simplifies sample preparation for bacterial diagnostics.

Anal Bioanal Chem

December 2024

Institute of Chemical, Environmental and Bioscience Engineering, Working Area Molecular Diagnostics 166/5/3, IFA Tulln, TU Wien, Tulln, Austria.

Article Synopsis
  • DNA- and RNA-based diagnostics are crucial for detecting health-related bacteria, providing important information on their presence and treatment effectiveness.
  • A new extraction protocol using an ionic liquid and magnetic beads enables quick and easy molecular diagnostics by efficiently capturing nucleic acids without needing extensive materials.
  • This method demonstrates comparable or better performance than current commercial extraction kits, is cost-effective, requires minimal resources, and is suitable for rapid testing in various settings, promoting advancements in molecular diagnostics.
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Enhancing NA immunogenicity through novel VLP designs.

Vaccine

October 2024

University of Natural Resources and Life Sciences Vienna (BOKU), Department of Biotechnology, Institute of Molecular Biotechnology (IMBT), Muthgasse 18, 1190 Vienna, Austria. Electronic address:

Current influenza virus vaccines poorly display key neuraminidase (NA) epitopes and do not robustly induce NA-reactive antibodies; instead, they focus on the induction of hemagglutinin (HA)-reactive antibodies. Next-generation influenza vaccines should be optimized in order to activate NA-reactive B cells and to induce a broadly cross-reactive and protective antibody response. We aimed at enhancing the immunogenicity of the NA on vaccines by two strategies: (i) modifying the HA:NA ratio of the vaccine preparation and (ii) exposing epitopes on the lateral surface or beneath the head of the NA by extending the NA stalk.

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Advances in affinity chromatography now make it possible to analyze immunoglobulin G from plasma and its fractions with a simple chromatographic method. Ligands derived from camelid antibodies have been developed which have affinity to all 4 subclasses of human IgG without a cross reactivity to other immunoglobulins. The commercially available Capture Select FcXL is the basis for a simple method for direct quantification of immunoglobulin G from plasma or from fractions from cold ethanol precipitation.

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Fungi as heterotrophs are key participants in the decomposition of organic materials and the transformation of nutrients in agroecosystems. Ditch-buried straw return as a novel conservation management strategy can improve soil fertility and alter hydrothermal processes. However, how ditch-buried straw return strategies affect the soil fungal community is still unclear.

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The pursuit of renewable and eco-friendly raw materials for biobased materials is a growing field. This study utilized ellagitannin and cellulose microfibrils derived from rambutan peel waste alongside gelatin to develop eco-conscious hydrogels. The cellulose/gelatin hydrogels were formulated in two weight ratios (0.

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Neurodegenerative diseases represent an increasingly burdensome challenge of the past decade, primarily driven by the global aging of the population. Ongoing efforts focus on implementing diverse strategies to mitigate the adverse effects of neurodegeneration, with the goal of decelerating the pathology progression. Notably, in recent years, it has emerged that the use of nanoparticles (NPs), particularly those obtained through green chemical processes, could constitute a promising therapeutic approach.

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Vaccination against influenza virus can reduce the risk of influenza by 40% to 60%, they rely on the production of neutralizing antibodies specific to influenza hemagglutinin (HA) ignoring the neuraminidase (NA) as an important surface target. Vaccination with standardized NA concentration may offer broader and longer-lasting protection against influenza infection. In this regard, we aimed to compare the potency of a NA displayed on the surface of a VLP with a soluble NA.

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Insights into the early-life chemical exposome of Nigerian infants and potential correlations with the developing gut microbiome.

Environ Int

June 2024

University of Vienna, Faculty of Chemistry, Department of Food Chemistry and Toxicology, 1090 Vienna, Austria; University of Vienna, Vienna Doctoral School of Chemistry (DoSChem), 1090 Vienna, Austria; Exposome Austria, Research Infrastructure and National EIRENE Node, Austria. Electronic address:

Early-life exposure to natural and synthetic chemicals can impact acute and chronic health conditions. Here, a suspect screening workflow anchored on high-resolution mass spectrometry was applied to elucidate xenobiotics in breast milk and matching stool samples collected from Nigerian mother-infant pairs (n = 11) at three time points. Potential correlations between xenobiotic exposure and the developing gut microbiome, as determined by 16S rRNA gene amplicon sequencing, were subsequently explored.

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This manuscript aims to study the reliability of different variables related to performance and acceleration during the golf putt in players with medium-to-high handicaps and to determine the number of attempts necessary to find reliable values for these variables. Eight males and two females [55.67 (13.

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Spent brewer's yeast as a selective biosorbent for metal recovery from polymetallic waste streams.

Front Bioeng Biotechnol

March 2024

Department of Agrobiotechnology, IFA-Tulln, Institute of Environmental Biotechnology, University of Natural Resources and Life Sciences Vienna BOKU, Tulln an der Donau, Austria.

While the amount of electronic waste is increasing worldwide, the heterogeneity of electronic scrap makes the recycling very complicated. Hydrometallurgical methods are currently applied in e-waste recycling which tend to generate complex polymetallic solutions due to dissolution of all metal components. Although biosorption has previously been described as a viable option for metal recovery and removal from low-concentration or single-metal solutions, information about the application of selective metal biosorption from polymetallic solutions is missing.

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Zearalenone (ZEN) is a mycoestrogenic polyketide produced by and other phytopathogenic members of the genus . Contamination of cereals with ZEN is frequent, and hydrolytic detoxification with fungal lactonases has been explored. Here, we report the isolation of a bacterial strain, PFA D8-1, with ZEN hydrolyzing activity, cloning of the gene encoding α/β hydrolase ZenA encoded on the linear megaplasmid pSFRL1, and biochemical characterization of nine homologues.

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Microplastics role in cell migration and distribution during cancer cell division.

Chemosphere

April 2024

University of Vienna, Department of Pharmaceutical Sciences, Division of Pharmaceutical Chemistry, Vienna, Austria; CBmed GmbH - Center for Biomarker Research in Medicine, Graz, Styria, Austria. Electronic address:

Article Synopsis
  • The study highlights the role of micro- and nanoplastics (PS-MNPs) as pollutants entering the body through the gastrointestinal tract, and their complex interactions with colorectal cancer cells.
  • Researchers found that the uptake of PS-MNPs was dependent on their size and concentration, with HCT116 cells showing the highest absorption rates, especially during cell division.
  • Short-term exposure to the smallest particles (0.25 μm) increased cell migration, raising concerns about their potential to promote tumor progression and metastasis without being eliminated from the cells.
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The application of natural zeolites to improve soil quality and functioning has become highly popular, but we still miss information about the long-term effects on the soil due to its application. This study assesses the soil quality index (SQI) of three distinct agricultural soil systems 6-10 years after a single application of natural chabazite zeolite as a soil amendment. These soils exhibit different management practices: intensive arable (cereals), intensive perennial (pear) and organic perennial (olive).

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  • Researchers developed a targeted LC-MS/MS assay to study 86 different polyphenol analytes in human breast milk, aiming to better understand their impact on infant health during breastfeeding.
  • The assay showed that nearly 70% of the polyphenols met strict validation criteria for quantitative assessment, providing valuable insights, even for those that didn't completely meet all criteria.
  • A proof-of-principle study analyzed samples from twelve Nigerian mothers, detecting 50 polyphenol analytes, including phenolic acids and phase II metabolites, suggesting these compounds may positively influence microbiome development and overall infant health.
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The demand for lithium-ion batteries (LIBs) has dramatically increased in recent years due to their application in various electronic devices and electric vehicles (EVs). Great amount of LIB waste is generated, most of which ends up in landfills. LIB wastes contain substantial amounts of critical metals (such as Li, Co, Ni, Mn, and Cu) and can therefore serve as valuable secondary sources of these metals.

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is a pioneer species in the cannabis family (Cannabaceae) that is widely distributed in Thai community forests and forest edges. The mature leaves are predominantly used as an anti-parasite treatment and feed for local freshwater fish, inspiring investigation of their phytochemical composition and bioactivity. The purpose of this work was to investigate the bioactive compounds in leaf extract and their cytotoxicity in the BF-2 fish cell line (ATCC CCL-91).

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Mycotoxins are toxic chemicals that adversely affect human health. Here, we assessed the influence of mycotoxin exposure on the longitudinal development of early life intestinal microbiota of Nigerian neonates and infants (NIs). Human biomonitoring assays based on liquid chromatography tandem mass spectrometry were applied to quantify mycotoxins in breast milk ( = 68) consumed by the NIs, their stool ( = 82), and urine samples ( = 15), which were collected longitudinally from month 1-18 postdelivery.

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Background: Artificial light at night, also referred to as light pollution (LP), has been shown to affect many organisms. However, little is known about the extent to which ecological interactions between earthworms and plants are altered by LP. We investigated the effects of LP on anecic earthworms (Lumbricus terrestris) that come to the surface at night to forage and mate, and on the germination and growth of the invasive and allergenic ragweed (Ambrosia artemisiifolia).

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Enhancing microbiome research in sub-Saharan Africa.

Trends Microbiol

February 2024

University of Vienna, Faculty of Chemistry, Department of Food Chemistry and Toxicology, Währinger Str. 38, A-1090 Vienna, Austria. Electronic address:

While there are lighthouse examples of microbiome research in sub-Saharan Africa (SSA), a significant proportion of local researchers face several challenges. Here, we highlight prevailing issues limiting microbiome research in SSA and suggest potential technological, societal, and research-based solutions. We emphasize the need for considerable investment in infrastructures, training, and appropriate funding to democratize modern technologies with a view to providing useful data to improve human health.

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3D-Printed Collagen-Nanocellulose Hybrid Bioscaffolds with Tailored Properties for Tissue Engineering Applications.

ACS Appl Bio Mater

December 2023

Faculty of Mechanical Engineering, Laboratory for Characterization and Processing of Polymers, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia.

Hybrid collagen (Coll) bioscaffolds have emerged as a promising solution for tissue engineering (TE) and regenerative medicine. These innovative bioscaffolds combine the beneficial properties of Coll, an important structural protein of the extracellular matrix, with various other biomaterials to create platforms for long-term cell growth and tissue formation. The integration or cross-linking of Coll with other biomaterials increases mechanical strength and stability and introduces tailored biochemical and physical factors that mimic the natural tissue microenvironment.

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This study explores the hysteresis phenomenon in DPPC (1,2-dipalmitoyl-sn-glycero-3-phosphocholine) monolayers, considering several variables, including temperature, compression and expansion rates, residence time, and subphase content. The investigation focuses on analyzing the influence of these variables on key indicators such as the π-A isotherm curve, loop area, and compression modulus. By employing the Langmuir-Blodgett technique, the findings reveal that all the examined factors significantly affect the aforementioned parameters.

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Background: Various anthropogenic activities continue to threaten the fish biodiversity of the East African water bodies such as the Victoria Nile. Although the Victoria Nile is a significant source of livelihood for human populations, the biology and ecology of Nile tilapia in this ecosystem remain understudied with little or no information on the morphology of the fish given varying and immense anthropogenic activities. Here, we use geometric morphometrics to examine the morphology/shape variations of Nile tilapia populations in Victoria Nile to gain insights into their current ecological state.

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