Salmonella enterica serovar Typhimurium strain 798 has previously been shown to undergo phenotypic phase variation.One of the phenotypes expresses virulence traits such as adhesion, while the other phenotype does not.Phenotypic phase variation appears to correlate with the ability of this strain to cause persistent, asymptomatic infections of swine
Schools are one of the critical social infrastructures in a society, the first place for social activity and the most important indoor environment for children besides the home.Poor IAQ in classrooms can increase the chance of long-term and short-term health problems for students and staffs; affects productivity of teachers; and degrade the student
Erysipelothrix rhusiopathiae is a facultative anaerobe Gram-positive bacillus, which is considered a zoonotic pathogen.E.rhusiopathiae causes erysipeloid, mainly in occupational groups such as veterinarians, slaughterhouse workers, farmers, and fishermen.Two cutaneous forms (localised and generalised) and a septicaemic form have been described.Here
Abstract Background Biomechanical parameters can distinguish a skilled rower from a less skilled rower and can provide coaches with meaningful feedback and objective evidence to inform coaching practices on rowing technique.Therefore, it is critical to understand which technical characteristics can be related to the fundamental rowing performance i