18,453 results match your criteria: "Estonia; Tartu University Hospital[Affiliation]"

Mycoplasmas are significant pathogens in human health, implicated in a range of clinical conditions from respiratory infections to urogenital disorders. Their resistance to commonly used antibiotics poses a substantial challenge to treatment and control. This study aims to provide a comprehensive overview of the global distribution of clinical mycoplasmas, elucidate their resistance to various antibiotics, and identify the genetic and molecular mechanisms underlying their resistance.

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Tropical peatlands significantly influence local and global carbon and nitrogen cycles, yet they face growing pressure from anthropogenic activities. Land use changes, such as peatland forests conversion to oil palm plantations, affect the soil microbiome and greenhouse gas (GHG) emissions. However, the temporal dynamics of microbial community changes and their role as GHG indicators are not well understood.

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Pharmacogenomics is central to precision medicine, informing medication safety and efficacy. Pharmacogenomic diplotyping of complex genes requires full-length DNA sequences and detection of structural rearrangements. We introduce StarPhase, a tool that leverages PacBio HiFi sequence data to diplotype 21 CPIC Level A pharmacogenes and provides detailed haplotypes and supporting visualizations for , , and .

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is one of the most reported causes of bacterial gastroenteritis worldwide. Birds are the predominant reservoirs for thermotolerant , therefore consumption of contaminated and undercooked poultry products represents one of the major transmission routes for campylobacteriosis. In addition to foodborne diseases, another relevant public challenge is the silent pandemic of antimicrobial resistance (AMR), impacting also the food chain.

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The utilisation of massively parallel sequencing (MPS) in forensic DNA analysis is on the rise, driven by the expansion of targeted MPS panels in the market and the introduction of forensic investigative genetic genealogy. The MPS library preparation process, integral to both whole-genome sequencing (WGS) and targeted MPS panel data generation, is largely based on converting double-stranded DNA (dsDNA) into sequencing libraries. In the current study, we examined the effect of seven routinely used forensic DNA extraction methods on the strandedness (single-stranded or double-stranded) and the fragment size of the DNA extracted from buccal swab, blood, bone and tooth samples.

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RORA-neurodevelopmental disorder: a unique triad of developmental disability, cerebellar anomalies, and myoclonic seizures.

Genet Med

December 2024

Genetics Department, Hospices Civils de Lyon, Lyon, France; Neuromyogene Institute, Pathology and Genetics of neuron and muscle, CNRS UMR 5261 INSERM U1315, University of Lyon - Université Claude Bernard Lyon 1, Lyon, France. Electronic address:

Article Synopsis
  • RORA is a gene linked to the development and function of the cerebellum, and this study explores the largest group of individuals with RORA-related neurodevelopmental disorders (RORA-NDD).
  • The study involved 40 participants with various pathogenic variants of RORA, revealing a range of clinical features including developmental and intellectual disabilities, as well as cerebellar symptoms that can vary in onset and severity.
  • Findings indicate that certain missense variants are associated with more severe cerebellar issues, and common elements of RORA-NDD include developmental disabilities, cerebellar symptoms, and different types of myoclonic epilepsy.
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Dynamics of SARS-CoV-2 lineages in children and adults in 2021 and 2022.

PLoS One

December 2024

Department of Microbiology, Faculty of Medicine, Institute of Biomedicine and Translational Medicine, University of Tartu, Tartu, Estonia.

Purpose: We aimed to describe SARS-CoV-2 lineages and diversity in children and adults in Estonia and similarity to travel-related cases and neighbouring countries.

Methods: SARS-CoV-2 sequences in 2021-2022 from a nationwide study were included. The proportion of predominant lineages in Estonian regions and among travel-related cases was described by multinomial logistic regression.

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The COVID-19 pandemic, caused by SARS-CoV-2, highlighted the importance of understanding transmission modes and implementing effective mitigation strategies. Recognizing airborne transmission as a primary route has reshaped public health measures, emphasizing the need to optimize indoor environments to reduce risks. Numerous tools have emerged to assess airborne infection risks in enclosed spaces, providing valuable resources for public health authorities, researchers, and the general public.

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Moth flies (Diptera, Psychodidae) of Estonia.

Zookeys

December 2024

Department of Entomology, National Museum, Cirkusová 1740, CZ - 193 00, Praha 9 - Horní Počernice, Czech Republic National Museum Praha Czech Republic.

A fundamental prerequisite for understanding and protecting biodiversity is the construction of a high-quality faunal database. The primary objective of this study was to address knowledge gaps in the biodiversity of the family Psychodidae in Estonia. Faunistic data on 45 species of moth flies (Diptera: Psychodidae) from Estonia are presented, including 30 new country-records.

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Tourist perceptions, motivations and expectations when interacting with African lion () cubs.

Anim Welf

December 2024

Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia.

Tourism wildlife interactions are controversial, the debate hinging largely on the compromised welfare of the animals used. Despite this, lion cub () interactions are popular, and there is a need to understand what motivates interactors to participate in the activity, their perceptions and expectations. We surveyed the attitudes of 300 visitors to three lion cub interaction facilities in South Africa.

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Personality associations with online vs. offline social capital and well-being variables.

BMC Psychol

December 2024

Department of Molecular Psychology, Institute of Psychology and Education, Ulm University, Helmholtzstr. 8/1, 89081, Ulm, Germany.

Social capital is an important construct in diverse scientific disciplines for understanding health promotion, entrepreneurship, and economic growth. In an increasingly digitalized world, social capital can be established and used in both online and offline contexts. Previous research suggests that personality might be relevant to an understanding of individual differences in social capital.

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Microbiome selection and evolution within wild and domesticated plants.

Trends Microbiol

December 2024

Department of Agroecology, Faculty of Technical Sciences, Aarhus University, Slagelse, 4200, Denmark.

Microbes are ubiquitously found across plant surfaces and even within their cells, forming the plant microbiome. Many of these microbes contribute to the functioning of the host and consequently affect its fitness. Therefore, in many contexts, including microbiome effects enables a better understanding of the phenotype of the plant rather than considering the genome alone.

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How does air quality reflect the land cover changes: remote sensing approach using Sentinel data.

Environ Monit Assess

December 2024

Department of Physical Geography and Geoinformatics, University of Debrecen, Egyetem tér 1, Debrecen, 4032, Hajdú-Bihar, Hungary.

Significant environmental challenges, such as urban and industrial expansion, alongside vegetation preservation, directly influence the concentrations of critical air pollutants and greenhouse gases in cities and their surroundings. The urban development and expansion process is aptly captured by classifying land use and land cover (LULC). We aimed to analyze LULC changes in an Andean area, Ecuador, and to reveal the relations of LULC classes with three air pollutants ozone ( ), nitrogen dioxide ( ), and sulfur dioxide ( ), using remote sensing datasets (Sentinel-5P - Sentinel 1 - Sentinel-2) across different periods.

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Balancing increasing demand for wood products while also maintaining forest biodiversity is a paramount challenge. Europe's Biodiversity and Forest Strategies for 2030 attempt to address this challenge. Together, they call for strict protection of 10% of land area, including all primary and old growth forests, increasing use of ecological forestry, and less reliance on monocultural plantations.

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Increasing infertility rates represent a growing medical challenge in modern societies resulting from a complex interplay of sociocultural trends, lifestyle factors, exposure to environmental toxins, and underlying health problems. Women's fertility is particularly vulnerable to these shifts. The obesogenic lifestyle not only accelerates weight gain, but also disrupts ovulation driving the rise in infertility.

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Background: European cancer programmes and policies lack a unified health-related quality of life (HRQoL) assessment tool. The European oncology quality of life toolkit (EUonQoL-Kit) is a novel set of HRQoL questionnaires, co-designed with cancer patients and survivors, translated and culturally adapted into 31 European languages, and with both static and dynamic electronic administration modes. The main aim of this study is the psychometric assessment of the static version.

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Purpose: Gastrointestinal (GI) dysfunction is common in critically ill patients and associated with poor outcomes. There is a lack of standardised methods for daily monitoring of GI function. COSMOGI aimed to develop a Core Outcome Set (COS) for daily monitoring of GI function to improve consistency and comparability in future studies in critically ill patients.

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Benefits and challenges of the integration of haptics-enhanced virtual reality training within dental curricula.

J Dent Educ

December 2024

Faculty of Health & Life Sciences, Institute of Life Course and Medical Sciences, School of Dentistry, University of Liverpool, Liverpool, UK.

Background: Haptics-enhanced virtual reality (VR-haptic) simulation in dental education has evolved considerably during the past decade, representing a promising resource of simulation-based training opportunities to support conventional practice. We aim to summarize current literature on the applications of VR-haptics in learning, practicing, and teaching dental education.

Methods: A literature search was performed using PubMed, focusing on research articles published between January 2010 and January 2024.

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Soil biology: Fungi in plant roots - what do they all do down there?

Curr Biol

December 2024

Department of Botany, Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia. Electronic address:

Plant roots host a range of fungi, including mycorrhizal fungi and endophytes. A new study shows that mucoromycotinan fine root endophytes can selectively utilise organic nitrogen, keep the carbon, transfer nitrogen to host and receive carbon from plants.

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It remains unclear how serum 25-hydroxyvitamin D (25(OH)D) concentrations relate to childhood bone health. We hypothesized that 25(OH)D was inversely associated with bone turnover biomarkers and positively associated with bone stiffness. Cross-sectional analyses were performed using data from participants (2-15-year-old, 51% boys) from the Identification and Prevention of Dietary- and Lifestyle-induced Health Effects in Children and Infants Study (IDEFICS)/I.

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Here we show how surface-enhanced Raman spectroscopy (SERS) features can be fine-tuned in optically active substrates made of layered materials. To demonstrate this, we used DNA-assisted lithography (DALI) to create substrates with silver bowtie nanoparticle-aperture pairs and then coated the samples with rhodamine 6G (R6G) molecules. By varying the spacing between the aperture and particle layer, we were able to control the strength of the interlayer coupling between the plasmon resonances of the apertures and those of the underlying bowtie particles.

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A Systematic Review of Cutting-Edge Radar Technologies: Applications for Unmanned Ground Vehicles (UGVs).

Sensors (Basel)

December 2024

Department of Computer and Systems Engineering, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia.

This systematic review evaluates the integration of advanced radar technologies into unmanned ground vehicles (UGVs), focusing on their role in enhancing autonomy in defense, transportation, and exploration. A comprehensive search across IEEE Xplore, Google Scholar, arXiv, and Scopus identified relevant studies from 2007 to 2024. The studies were screened, and 54 were selected for full analysis based on inclusion criteria.

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Detecting defects in plates is crucial across various industries due to safety risks. While ultrasonic bulk waves offer point-by-point inspections, they are time-consuming and limited in coverage. In contrast, guided waves enable the rapid inspection of larger areas.

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