Publications by authors named "Grim C"

Metagenomic sequencing is increasingly being employed to understand the assemblage and dynamics of the oyster microbiome. Specimen collection and processing steps can impact the resultant microbiome composition and introduce bias. To investigate this systematically, a total of 54 farmed oysters were collected from Chesapeake Bay between May and September 2019.

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Background: Per- and polyfluoroalkyl substances (PFAS) comprise thousands of fluorinated chemicals. They are of growing concern because many PFAS compounds are persistent and toxic. Food contact materials (FCM) containing PFAS pose multiple exposure pathways to humans, prompting twelve states to enact laws banning FCM with PFAS levels exceeding 100 ppm of TOF.

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Article Synopsis
  • The study investigated the genomic characteristics of different serotypes of bacterial isolates (Agona, Braenderup, Muenchen, and Panama) found in surface waters of Chile, Mexico, and Brazil over three years.
  • Mexican isolates showed a higher prevalence of antimicrobial resistance (AMR) genes compared to those from Chile and Brazil, with specific patterns of ARG distribution across the different serotypes and countries.
  • The research highlights the intricate relationships between the isolates, including gene sharing and clustering patterns that point to surface waters as potential reservoirs for multidrug-resistant bacteria, underscoring the need for ongoing monitoring and research.
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Oxford Nanopore long reads of simulated bacterial communities from fresh spinach and surface water were generated (R9.4.1+SQK-LSK109 and R10.

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Surface water ecosystems are intimately intertwined with anthropogenic activities and have significant public health implications as primary sources of irrigation water in agricultural production. Our extensive metagenomic analysis examined 404 surface water samples from four different geological regions in Chile and Brazil, spanning irrigation canals (n = 135), rivers (n = 121), creeks (n = 74), reservoirs (n = 66), and ponds (n = 8). Overall, 50.

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This study examined the diversity and persistence of in the surface waters of agricultural regions of Brazil, Chile, and Mexico. Research groups (three in 2019-2020 and five in 2021-2022) conducted a long-term survey of surface water across 5-8 months annually ( = 30 monthly). On-site, each team filtered 10-L water samples with modified Moore Swabs to capture which were then isolated and identified using conventional microbiological techniques.

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Antimicrobial resistance (AMR) is a world-wide public health threat that is projected to lead to 10 million annual deaths globally by 2050. The AMR public health issue has led to the development of action plans to combat AMR, including improved antimicrobial stewardship, development of new antimicrobials, and advanced monitoring. The National Antimicrobial Resistance Monitoring System (NARMS) led by the United States (U.

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A total of 55 food and clinical . Schwarzengrund isolates were assayed for plasmid content, among which an IncFIB-IncFIC(FII) fusion plasmid, conferring streptomycin resistance, was detected in 17 isolates. Among the 17 isolates, 9 were food isolates primarily collected from poultry meat, and 8 clinical isolates collected from stool, urine, and gallbladder.

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Unlabelled: Wastewater surveillance has emerged as a crucial public health tool for population-level pathogen surveillance. Supported by funding from the American Rescue Plan Act of 2021, the FDA's genomic epidemiology program, GenomeTrakr, was leveraged to sequence SARS-CoV-2 from wastewater sites across the United States. This initiative required the evaluation, optimization, development, and publication of new methods and analytical tools spanning sample collection through variant analyses.

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Oxford Nanopore sequencing is one of the high-throughput sequencing technologies that facilitates the reconstruction of metagenome-assembled genomes (MAGs). This study aimed to assess the potential of long-read assembly algorithms in Oxford Nanopore sequencing to enhance the MAG-based identification of bacterial pathogens using both simulated and mock communities. Simulated communities were generated to mimic those on fresh spinach and in surface water.

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Surface waters are considered ecological habitats where can persist and disseminate to fresh produce production systems. This study aimed to explore the genomic profiles of serotypes Typhimurium, Newport, and Infantis from surface waters in Chile, Mexico, and Brazil collected between 2019 and 2022. We analyzed the whole genomes of 106 .

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Background: Musculoskeletal diseases affect 1.71 billion people worldwide, impose a high biopsychosocial burden on patients, and are associated with high economic costs. The use of digital health interventions is a promising cost-saving approach for the treatment of musculoskeletal diseases.

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Seventeen serovar Schwarzengrund isolates from chicken ( = 9) and clinical samples including stool ( = 6), urine ( = 1), and gallbladder ( = 1) were sequenced and found to carry an IncFIB-IncFIC (FII) fusion plasmid of approximately 145 Kb. This information provides reference genomic data for comparative studies of . Schwarzengrund pathogenicity and plasmid genetics.

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Objectives: Deferred consent enables research to be conducted in the ICU when patients are unable to provide consent themselves, and there is insufficient time to obtain consent from surrogates before commencing (trial) treatment. The aim of this study was to evaluate how former ICU patients reflect on their participation in a study with deferred consent and examine whether their opinions are influenced by the quality of life (QoL) following hospital discharge.

Design: Survey study by questionnaire.

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A presumptive isolate with a multidrug resistance profile was isolated from surface seawater collected from a coastal canal in 2014 and identified as , designated as strain DA9. Here, we report a 5.1-Mb draft genome sequence of strain DA9 with a G + C content of 47.

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Here, we examine surface waters as a modality to better understand baseline antimicrobial resistance (AMR) across the environment to supplement existing AMR monitoring in pathogens associated with humans, foods, and animals. Data from metagenomic and quasimetagenomic (shotgun sequenced enrichments) are used to describe AMR in Maryland surface waters from high and low human impact classifications.

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Introduction: Foam Rolling (FR) as a technique of self-massage has become a widely used intervention in clinical and sports practice. It is assumed that FR leads to an increased intramuscular microvascular blood flow (MBF), and therefore is commonly recommended as a warm-up or regeneration method. However, no data validate the effects of FR on MBF.

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Introduction: Fluctuations in environmental physicochemical parameters can affect the diversity and prevalence of microbial communities, including vibrios, associated with aquatic species and their surrounding environments. This study aimed to investigate the population dynamics of two species as well as the microbial community diversity of whole crab and seawater from the Maryland Coastal Bays (MCBs), using 16S rRNA sequencing.

Methods: During this study, three crabs and 1 L of seawater were collected monthly from two sites for 3 months.

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In developed countries, the human diet is predominated by food commodities, which have been manufactured, processed, and stored in a food production facility. Little is known about the application of metagenomic sequencing approaches for detecting foodborne pathogens, such as , and characterizing microbial diversity in food production ecosystems. In this work, we investigated the utility of 16S rRNA amplicon and quasimetagenomic sequencing for the taxonomic and phylogenetic classification of culture enrichments of environmental swabs collected from dairy and seafood production facilities.

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Most current subtyping analyses rely on whole genome sequencing (WGS), which focuses on the high-resolution analysis of single genomes or multiple single genomes from the isolated colonies on microbiological agar plates. In this study, we introduce bioinformatics innovations for a metagenomic outbreak response workflow that accurately identifies multiple serovars at the same time. bettercallsal is one of the first analysis tools to identify multiple serotypes from metagenomic or quasi-metagenomic datasets with high accuracy, allowing these isolate-independent methods to be incorporated into surveillance and root cause investigations.

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Purpose: Microvascular blood flow (MBF) and its intramuscular regulation are of importance for physiological responsiveness and adaptation. The quantifiable in-vivo monitoring of MBF after cycling or systemic cold-water exposure may reveal new insights into capillary regulatory mechanisms. This study aimed to assess the role of exercise and cold therapy on MBF by using contrast-enhanced ultrasound (CEUS).

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Supplemental oxygen is widely administered to ICU patients, but appropriate oxygenation targets remain unclear. This study aimed to determine whether a low-oxygenation strategy would lower 28-day mortality compared with a high-oxygenation strategy. This randomized multicenter trial included mechanically ventilated ICU patients with an expected ventilation duration of at least 24 hours.

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Article Synopsis
  • - This study focuses on a significant zoonotic pathogen causing bacterial gastroenteritis, particularly highlighting its prevalence in South America, especially linked to poultry, and examining the growing issue of antibiotic-resistant strains.
  • - Researchers analyzed 88 strains of the pathogen from patients in Chile to assess genetic diversity, antibiotic resistance, and potential virulence factors over a 20-month period.
  • - Findings revealed high genetic diversity and the emergence of new clonal complexes, with a notable portion of strains showing resistance mutations; variations in virulence-related gene clusters suggest complexities in infection dynamics and public health risks.
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The proximal hamstring complex is a highly vulnerable area that is especially prone to injury. Proximal hamstring tendinopathies (PHTs) remain challenging in diagnosis, treatment, rehabilitation, and prevention due to a large variety of different injuries, slow healing response, persistent symptoms, and functional impairments. PHTs are often misdiagnosed or underdiagnosed, leading to delayed treatment and therapy failure.

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