Summary: Bacteriophages (phages) are incredibly abundant and genetically diverse. The volume of phage genomics data is rapidly increasing, driven in part by the SEA-PHAGES program, which isolates, sequences and manually annotates hundreds of phage genomes each year. With an ever-expanding genomics dataset, there are many opportunities for generating new biological insights through comparative genomic and bioinformatic analyses. As a result, there is a growing need to be able to store, update, explore and analyze phage genomics data. The package pdm_utils provides a collection of tools for MySQL phage database management designed to meet specific needs in the SEA-PHAGES program and phage genomics generally.
Availability And Implementation: https://pypi.org/project/pdm-utils/.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8388035 | PMC |
http://dx.doi.org/10.1093/bioinformatics/btaa983 | DOI Listing |
Foods
December 2024
College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China.
is a key foodborne pathogen in seafood that poses health risks to consumers. The application of phages and organic acids is considered an alternative strategy for controlling bacterial contamination in foods. In the present study, the genome features of five previously isolated virulent phages (VPpYZU64, VPpYZU68, VPpYZU81, VPpYZU92, and VPpYZU110) were characterized, and their bacteriostatic effects in combination with citric acid were analyzed.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
CAS Key Laboratory for Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
Recently, we developed a spatial phage-assisted continuous evolution (SPACE) system. This system utilizes chemotaxis coupled with the growth of motile bacteria during their spatial range expansion in soft agar to provide fresh host cells for iterative phage infection and selection pressure for preserving evolved genes of interest carried by phage mutants. Controllable mutagenesis activated only in a subpopulation of the migrating cells is essential in this system to efficiently generate mutated progeny phages from which desired individuals are selected during the directed evolution process.
View Article and Find Full Text PDFAnimals (Basel)
December 2024
College of Animal Science, South China Agricultural University, Guangzhou 510642, China.
The impact of antibiotic therapy on the spread of antibiotic resistance genes (ARGs) and its relationship to gut microbiota remains unclear. This study investigated changes in ARGs, mobile genetic elements (MGEs), and gut microbial composition following tilmicosin administration in pigs. Thirty pigs were randomly divided into control (CK), low-concentration (0.
View Article and Find Full Text PDFCommun Biol
January 2025
Bioinformatics Laboratory, Infectious Diseases and Pathogen Biology Center, The First Hospital of Jilin University, Changchun, China.
The bacteria-phage arm race drives the evolution of diverse bacterial defenses. This study identifies and characterizes the defense hotspots in Acinetobacter baumannii using a reference-free approach. Among 4383 high-quality genomes, we found a total of 17,430 phage defense systems and with 54.
View Article and Find Full Text PDFVet Microbiol
January 2025
Department of Biotechnology and Food Microbiology, Faculty of Biotechnology and Food Sciences, Wrocław University of Environmental and Life Sciences, Poland. Electronic address:
Avian pathogenic Escherichia coli (APEC) is a principal etiologic agent of avian colibacillosis, responsible for significant economic losses in the poultry industry due to high mortality and disease treatment with antibiotics. APEC and its ability to form biofilms on food and processing surfaces contributes to its persistence within farms. Bacteriophages are promising antibacterial agents for combating APEC.
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