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Isolation and characterization of a broad-spectrum bacteriophage against multi-drug resistant Escherichia coli from waterfowl field.

Poult Sci

January 2025

Avian Disease Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China; Institute of Veterinary Medicine and Immunology, Sichuan Agricultural University, Chengdu 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, PR China; Engineering Research Center of Southwest Animal Disease Prevention and Control Technology, Ministry of Education, PR China. Electronic address:

Escherichia coli (E. coli) is a significant pathogen responsible for intestinal infections and foodborne diseases. The rise of antibiotic resistance poses a significant challenge to global public health.

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Insights into Within-Host Evolution and Dynamics of Oral and Intestinal Streptococci Unveil Niche Adaptation.

Int J Mol Sci

December 2024

Division of Oral Microbiology and Immunology, Department of Operative Dentistry, Periodontology and Preventive Dentistry, Rheinisch-Westfälische Technische Hochschule (RWTH) University Hospital, 52074 Aachen, Germany.

The oral-gut axis is a complex system linking the oral cavity and gastrointestinal tract, impacting host health and microbial composition. This study investigates genetic changes and adaptive mechanisms employed by streptococci-one of the few genera capable of colonizing oral and intestinal niches-within the same individual. We conducted whole-genome sequencing (WGS) on 218 streptococcal isolates from saliva and fecal samples of 14 inflammatory bowel disease (IBD) patients and 12 healthy controls.

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Unlabelled: and are recognized as significant opportunistic pathogens affecting aquatic animals and humans. However, their infections in amphibians are poorly documented, and their pathogenicity to the Chinese spiny frog () remains unexplored. This study investigated an outbreak of putrid-skin disease among on a farm in Lishui City, Zhejiang Province, China.

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A 61-year-old woman underwent an open right hemicolectomy for perforated ascending colon cancer. Later, the patient underwent R2 surgery for duodenal invasion. Chemotherapy was initiated with mFOLFOX6 and panitumumab post-surgery.

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Antibiotic Use and Subsequent Cognitive Decline and Dementia Risk in Healthy Older Adults.

Neurology

January 2025

From the Clinical and Translational Epidemiology Unit (Y.W., A.T.C.), and Division of Gastroenterology (Y.W., A.T.C.), Massachusetts General Hospital and Harvard Medical School, Boston; School of Public Health and Preventive Medicine (Z.Z., J.C.B., R.L.W., S.G.O., R.W., J.R.), Monash University, Melbourne; Menzies Institute for Medical Research (Z.Z.), University of Tasmania, Australia; Department of Pharmacy Practice and Science (E.J.E.. M.E.E.), College of Pharmacy, and Department of Family Medicine (M.E.E.), Carver College of Medicine, University of Iowa, Iowa City; Department of Immunology and Infectious Diseases (A.T.C.), Harvard T.H. Chan School of Public Health, Boston; and Cancer Center (A.T.C.), Massachusetts General Hospital, Boston, MA.

Background And Objectives: Antibiotics rapidly reduce intestinal bacterial diversity, leading to dysbiosis that persists for months to years. Although emerging evidence from retrospective and claims-based studies has linked dysbiosis to cognitive function, prospective data are lacking. We aim to examine the prospective association of antibiotics with cognitive aging among initially healthy older adults.

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