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http://dx.doi.org/10.1128/JCM.02306-08 | DOI Listing |
Am J Trop Med Hyg
January 2025
Zambia National Public Health Institute, Lusaka, Zambia.
Zambia experienced the largest cholera epidemic in the country's history in 2023-2024; however, the antimicrobial susceptibility profile of Vibrio cholerae during the epidemic is unknown. A total of 2,384 stool samples were collected from suspected cholera cases in Eastern, Lusaka, and Luapula provinces in Zambia from January 2023 to March 2024. Among them, 549 (23.
View Article and Find Full Text PDFFEMS Microbiol Lett
January 2025
Jiaxing Key Laboratory of Pathogenic Microbiology, Jiaxing Center for Disease Control and Prevention, Jiaxing 314050, China.
Non-O1/non-O139 (NOVC) strains inhabit aquatic environments and sporadically induce human illnesses. This study involved the virulence and antimicrobial genetic characterization of 176 NOVC strains, comprising 25 from clinical samples and 151 from environmental sources, collected between 2021 and 2023. The antimicrobial susceptibility of the examined NOVC population was predominantly high, exhibiting only poor susceptibility to colistin, with 89.
View Article and Find Full Text PDFMol Microbiol
January 2025
Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Bacterial pathogens possess a remarkable capacity to sense and adapt to ever-changing environments. For example, Vibrio cholerae, the causative agent of the severe diarrheal disease cholera, thrives in aquatic ecosystems and human hosts through dynamic survival strategies. In this study, we investigated the role of three photolyases, enzymes that repair DNA damage caused by exposure to UV radiation and blue light, in the environmental survival of V.
View Article and Find Full Text PDFMicrobiol Spectr
January 2025
Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.
The marine ecosystem is characterized by a rich diversity of bacterial hosts and their phages. The propagation of phages is primarily limited by their ability to adsorb to host cells and is further challenged by various bacterial defense mechanisms. To fully realize the potential of phage therapy in aquaculture, a comprehensive understanding of phage-host interactions and their regulation is essential.
View Article and Find Full Text PDFUnlabelled: The intestinal diarrheal pathogen colonizes the host terminal ileum, a microaerophilic, glucose-poor, nitrate-rich environment. In this environment, respires nitrate and increases transport and utilization of alternative carbon sources via the cAMP receptor protein (CRP), a transcription factor that is active during glucose scarcity. Here we show that nitrate respiration in aerated cultures is under control of CRP and, therefore, glucose availability.
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