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Dynamic transitions of initiator binding coordinate the replication of the two chromosomes in Vibrio cholerae.
Nat Commun
January 2025
Institut Pasteur, Université Paris Cité, CNRS UMR3525, Unité Plasticité du Génome Bactérien, Département Génomes et Génétique, Paris, France.
The replication of the two chromosomes in the pathogenic bacterium Vibrio cholerae is coordinated by the binding of initiator protein RctB to a checkpoint sequence, crtS. Replication of crtS on the primary chromosome (Chr1) triggers replication of the secondary chromosome (Chr2), but the details are poorly understood. Here, we analyze RctB binding patterns in the V.
View Article and Find Full Text PDFGenomic Insights into from Southern Korea: Pathogenicity, Antimicrobial Resistance, and Phylogenetic Distinctions.
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December 2024
Research and Development Center, Insilicogen Inc., 13, Yongin-si 16954, Republic of Korea.
, a significant cause of gastroenteritis and a growing public health concern, has become increasingly prevalent owing to the rise in ocean temperatures driven by climate change. This study aimed to characterize the genetic diversity, pathogenic potential, and antimicrobial resistance (AMR) profiles of strains isolated from the southern coastal region of Korea. Using whole genome sequencing (WGS) and advanced bioinformatics tools, we identified novel sequence types through multilocus sequence typing and serotyped isolates using the VPsero database.
View Article and Find Full Text PDFBiological Hazards and Indicators Found in Products of Animal Origin in Cambodia from 2000 to 2022: A Systematic Review.
Int J Environ Res Public Health
December 2024
Natural Resources Institute, University of Greenwich, Medway ME4 4TB, UK.
Biological hazards in products of animal origin pose a significant threat to human health. In Cambodia, there are few comprehensive data and information on the causes of foodborne diseases or risks. To date, there has been no known published study similar to this review.
View Article and Find Full Text PDFEcological insights into the microbiology of food using metagenomics and its potential surveillance applications.
Microb Genom
January 2025
Quadram Institute Bioscience, Norwich Research Park, Norwich, UK.
A diverse array of micro-organisms can be found on food, including those that are pathogenic or resistant to antimicrobial drugs. Metagenomics involves extracting and sequencing the DNA of all micro-organisms on a sample, and here, we used a combination of culture and culture-independent approaches to investigate the microbial ecology of food to assess the potential application of metagenomics for the microbial surveillance of food. We cultured common foodborne pathogens and other organisms including , spp.
View Article and Find Full Text PDFProtein degradation mechanisms during refrigerated storage of gazami crab (Portunus trituberculatus) at endogenous and microbial-derived enzyme levels.
Food Chem
December 2024
State Key Laboratory of Marine Food Processing and Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, Qingdao 266237, PR China; Qingdao Key Laboratory of Food Biotechnology, Qingdao 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, Qingdao 266404, PR China. Electronic address:
During storage, the proteins of gazami crab (Portunus trituberculatus) are prone to hydrolysis into amino acids and biogenic amines, in which enzymes play a critical role. However, studies exploring spoilage mechanisms from the perspective of enzymes are limited. This study identified 84 endogenous and 52 microbial-derived proteolytic enzymes and peptidases by proteomics and metagenomics.
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