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High pathogenicity islands (HPIs) in Escherichia coli encode genes that are primarily involved in iron uptake and regulation, and confer virulence and pathogenicity. The aim of this study was to investigate the transfer of HPIs in avian E. coli and identify the function of HPI in the acceptor strain. The HPI transfer strain was obtained under conditions of low temperature and low iron abundance, and...
Avian pathogenic Escherichia coli (APEC) is a major bacterial infectious disease that may lead to local or systemic infections in chickens with clinical manifestations. The irp2-fyuA gene cluster has been confirmed to be the main genes involved in the synthesis of HPI. The objective of this study was to determine the influence of the irp2 and fyuA genes in the high pathogenicity island (HPI) of avian...
Hangzhou is in the process of becoming a world-famous city known for its quality of life and advancement of environmental protection. This research evaluates how the city’s surrounding environment is affected by the development of urban wetlands. It is simulated upon the numerical model on an urban scale, with the full advantage of meteorological data and updated techniques related to RS (remote sensing),...
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