How does Clostridium perfringens carry multiple closely related plasmids?

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The project aims to determine how bacteria are able to replicate and maintain multiple copies of very closely related extrachromosomal elements or plasmids in the same cell. These plasmids are important as they encode toxin genes and antibiotic resistance genes. The project proposes to examine two fundamental hypotheses that are postulated to explain this novel phenomenon. The anticipated outcome of the project is the advancement of fundamental knowledge of how bacteria that cause disease in food-production animals can maintain the genetic elements that enable them to cause these diseases. This would contribute to our understanding of the epidemiology of these economically significant animal pathogens and may support the development of new methods of prevention or treatment.