A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. Plasmids naturally exist in bacterial cells, and they also occur in some eukaryotes.

into dangerous bacteria such as Shigella dysenteriae, in a blink. The word “episome” would later be replaced by a synonym, “plasmid.” Scientists now recognize plasmids as a major mechanism ...

GEM Toronto competed at the International Genetically Engineered Machine competition in Paris, France in October ...