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Population structure and ongoing microevolution of the emerging multidrug-resistant Salmonella Typhimurium ST213.
NPJ Antimicrob Resist
April 2024
Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, MOR, Mexico.
Salmonella enterica serovar Typhimurium ST213 is an emergent multidrug-resistant sequence type associated with the food chain, and gastrointestinal and invasive infections in North America. Here, we applied genomic and phenotypic analyses to illustrate the diversity and evolution of sequence type ST213. The population structure and evolutionary history of ST213 strains, particularly the North American isolates (NA-ST213) distinguish them from other S.
View Article and Find Full Text PDFUse of Claims to Assess Outcomes and Treatment Effects in the Evolut Low Risk Trial.
Circ Cardiovasc Interv
January 2025
Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA (C.L., A.T., Y.S., J.S., R.W.Y.).
Background: Food and Drug Administration-mandated postmarket studies for transcatheter aortic valve replacement in low-risk populations plan to use passively collected registry data linked to claims for long-term follow-up out to 10 years. Therefore, it is critically important to understand the validity of these claims-based end points. We sought to evaluate the ability of administrative claims with () codes to identify trial-adjudicated end points and reproduce treatment comparisons of aortic valve replacement in the Evolut Low Risk Trial.
View Article and Find Full Text PDFA Tale of Two Cohorts: Differences in PARTNER 3 Populations.
Ann Thorac Surg
January 2025
Department of Cardiovascular and Thoracic Surgery, West Virginia University, 1 Medical Center Way, Morgantown, WV 26501. Electronic address:
Molecular dissection of laboratory contamination between two schistosome populations.
Parasit Vectors
December 2024
Disease Intervention and Prevention Program, Texas Biomedical Research Institute, P.O. Box 760549, San Antonio, TX, 78245, USA.
Background: Genomic analysis has revealed extensive contamination among laboratory-maintained microbes including malaria parasites, Mycobacterium tuberculosis, and Salmonella spp. Here, we provide direct evidence for recent contamination of a laboratory schistosome parasite population, and we investigate its genomic consequences. The Brazilian Schistosoma mansoni population SmBRE has several distinctive phenotypes, showing poor infectivity, reduced sporocyst number, low levels of cercarial shedding and low virulence in the intermediate snail host, and low worm burden and low fecundity in the vertebrate rodent host.
View Article and Find Full Text PDFA bio-cultural tale of the past, present and future of human nutrition.
J Anthropol Sci
December 2024
Independent Researcher, Rome, Italy.
Human nutrition represents a dynamic interplay between biological evolution and cultural development, profoundly shaping dietary practices and health outcomes. This paper traces the dietary evolution of the genus Homo, from practices like foraging, scavenging, hunting, and gathering to the Neolithic transition towards agropastoral subsistence. These changes influenced human biology, evident in genetic adaptations such as lactase persistence and amylase gene copy variation, and reshaped societal structures and population dynamics.
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