The aim of this study was to use rapid mass spectrometry (MS)-based proteomics analyses for diagnosis of Babesia canis canis infections in dogs. The study was conducted on two groups of dogs--healthy dogs and dogs infected with B. canis canis which demonstrated symptoms of babesiosis. The matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) MS technique revealed the presence of a protein fraction of 51-52 kDa in the blood serum of all the animals infected with the protozoa, which was not found in the serum of healthy dogs. The proteins are suspected to be disease markers, whereas the MALDI-TOF technique itself has high specificity and sensitivity and can be applied in analytical laboratories in the diagnosis of canine babesiosis.
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http://dx.doi.org/10.1007/s00436-014-4124-1 | DOI Listing |
Microorganisms
December 2024
Operative Research Unit of Laboratory, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Rome, Italy.
Multidrug-resistant is a significant healthcare challenge that particularly affects vulnerable patients through opportunistic nosocomial infections. Surveillance is crucial for monitoring the prevalence of these infections. Eighty-four KPC strains (2019-2022) were collected from patients admitted in Fondazione Policlinico Universitario Campus Bio-Medico.
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November 2024
Université de Caen Normandie, CBSA UR 4312, UFR des Sciences, Campus 1, F-14000 Caen, France.
Uncultured microorganisms represent a promising and untapped source of antibacterial compounds, crucial in the fight against the significant threat of antimicrobial resistance (AMR). In this study, both traditional and isolation chip (iChip) cultivation techniques were employed to enhance the recovery of known and unknown microorganisms from soils located in Normandy, France. The isolates obtained were identified using 16S rDNA or ITS regions analysis and MALDI-TOF mass spectrometry and were screened for antibacterial activity.
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November 2024
Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
The significance of as a foodborne pathogen is increasingly acknowledged, but the assessment of its occurrence and transmission remains challenging due to the lack of validation of selective isolation, detection, and identification methods. The aim of the present study was to examine its presence on various meat samples at the retail level in order to assess a potential foodborne transmission and its occurrence in clinical stool samples. First, the evaluation and selection of a selective enrichment broth and isolation medium, combined with an optimized identification by MALDI-TOF MS, as well as a suitable DNA extraction method and a PCR-based detection strategy were developed.
View Article and Find Full Text PDFAntibiotics (Basel)
December 2024
UCIBIO-Applied Molecular Biosciences Unit, University Institute of Health Sciences (1H-TOXRUN, IUCS-CESPU), Avenida Central de Gandra 1317, 4585-116 Paredes, Portugal.
Animals destined for human consumption play a key role in potentially transmitting bacteria carrying antibiotic resistance genes. However, there is limited knowledge about the carriage of antibiotic-resistant bacteria in native breeds. We aimed to characterize the phenotypic profiles and antibiotic resistance genes in isolated from bovines, including three native Portuguese bovine breeds.
View Article and Find Full Text PDFAntibiotics (Basel)
December 2024
Healthcare Research Institute of Navarre (IdiSNA), 31008 Pamplona, Spain.
Introduction: Rapid microbiology reporting can enhance both clinical and economic outcomes.
Material And Methods: This three-year, quasi-experimental study, single-group pretest-posttest study, conducted at a university medical center, aimed to evaluate the clinical and economic impact of rapid microbiological identification reporting using MALDI-TOF MS. A total of 363 consecutive hospitalized patients with bacterial infections were evaluated, comparing a historical control group (CG, n = 183) with an intervention group (IG, = 180).
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