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The effect of antibiotic resistance in bovine guts is needed to assess its potential effects based on a metagenomic approach and analysis. We collected 40 fecal samples to see drug resistance in the bacterial community by an analysis of the morphologies and differences of antibiotic-resistant genes in yak, beef, and dairy cattle. The rise, incidence, and differences in resistance genes in the intestines of yaks, beef, and dairy cattle may be due to the selective pressure of various feeding regimens, in which yaks were raised without antibiotics for growth promotion. In addition, the abundance of ARGs in yak was lower than in beef and dairy cattle, while the abundance of integron, a form of mobile genetic elements, was higher in yaks than those in beef and dairy cattle.
Source link: https://doi.org/10.1038/s41429-021-00425-2
Abstract RTE foods are thought to be reservoirs of antibiotic resistance bacteria, which are a direct threat to human health, but RTE foods' potential microbiological risks remain largely unexplored. In 18 RTE food samples in southern China, the metagenomic approach was used to characterize the comprehensive profiles of bacterial community and antibiotic resistance gene. With an abundance range ranging from 2. 81 10 5 to 7. 7 10 1 copy of ARG per copy of the 16S rRNA gene, 204 ARG subtypes belonging to 18 ARG species were discovered, with an abundance range of between 2. 81 10 5 to 7. 7 10 1 copy of ARG per copy of ARG's 16S rRNA gene in 18 ARG groups.
Source link: https://doi.org/10.1038/s41598-020-72620-4
The dissemination of fecal pollutants and antibiotic resistance in the aquatic environment is a significant public health issue, and it is expected to rise in the light of climate change's impacts and increasing human population pressure in the lagoon and coastal areas. Domestic wastewaters that, due to a lack of modern sewage treatment facilities in Venice's historic city center, are released into canals. The city of Venice is impacted by several microbial contamination sources, including domestic wastewaters that, due to the lack of modern sewage treatment facilities, are released into canals. Molecular community composition, the presence of fecal microbes, others non-enteric pathogens, and genes related to antibiotic and heavy metal resistance were all determined by virulence in six sites in the city's historic center's canals.
Source link: https://doi.org/10.3390/w14071161
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