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In August 2021, a large-scale mortality event affected harbor porpoises (Phocoena phocoena) in the Netherlands. Pathology and ancillary testing of 22 animals indicated that the most likely cause of death was Erysipelothrix rhusiopathiae infection. This zoonotic agent poses a health hazard for cetaceans and possibly for persons handling cetacean carcasses.
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http://dx.doi.org/10.3201/eid2904.221698 | DOI Listing |
Cell
September 2025
Centre for Palaeogenetics, Svante Arrhenius väg 20C, 10691 Stockholm, Sweden; Department of Bioinformatics and Genetics, Swedish Museum of Natural History, Stockholm, Sweden; Science for life Laboratory, 17165 Stockholm, Sweden.
Ancient genomic studies have extensively explored human-microbial interactions, yet research on non-human animals remains limited. In this study, we analyzed ancient microbial DNA from 483 mammoth remains spanning over 1 million years, including 440 newly sequenced and unpublished samples from a 1.1-million-year-old steppe mammoth.
View Article and Find Full Text PDFBMC Genom Data
September 2025
Veterinary Drugs and Biologics Division, Animal and Plant Quarantine Agency, 177, Hyeoksin 8-ro, Gimcheon-si, Gyeongsangbuk-do, Korea.
Objectives: Selecting and managing suitable seed strains according to standard principles is a critical factor in manufacturing high-quality biological products. In this study, we determined the complete genomes of live animal vaccine bacterial strains used in South Korea and comprehensively analyzed their gene annotations. This detailed genomic analysis provides a robust foundation for identifying and verifying whether manufacturers utilize the same seed strains at the strain level.
View Article and Find Full Text PDFDis Aquat Organ
August 2025
Laboratory of Immunology, Faculty of Veterinary Medicine, Ghent University, 9820 Merelbeke, Belgium.
Erysipelas, an infection caused by Erysipelothrix rhusiopathiae, has always been a threat to marine mammal collections. A first global survey (1989-2000) about erysipelas occurrences, covering 1384 animals, reported 69 cases of erysipelas (5%). To better understand the disease epidemiology and vaccine-related reactions, a second survey (2001-2020) was conducted, reaching a 68.
View Article and Find Full Text PDFEnviron Res
August 2025
College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China. Electronic address:
The increasing use of florfenicol in marine aquaculture poses significant challenges to biological nitrogen removal. However, its influence on mixotrophic denitrification in marine recirculating aquaculture systems (RAS) remains insufficiently explored. This study delved into the effects of florfenicol on intracellular electron transfer behavior, extracellular polymeric substance (EPS) defense mechanisms, and microbial community succession in sulfur autotrophic-heterotrophic denitrification systems.
View Article and Find Full Text PDFIDCases
July 2025
Department of Respiratory Medicine and Infectious Diseases, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.
is a zoonotic, facultatively anaerobic, non-spore-forming, gram-positive bacillus. Although the serotypes and phylogenetic clades of strains isolated from animals have been shown to be closely related, the serotype identification of clinical isolates from human patients remains limited. We report a case of a 66-year-old woman with bacteremia caused by serotype 6.
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