Plasmids are at the forefront of scientific research as models for understanding innumerable biological mechanisms of living cells, as tools for creating the most diverse therapies, and as invaluable helpers to understand the dissemination of microbial populations. Plasmids: Biology and Impact in Biotechnology and Discovery contains a series of expertly written chapters that describe the latest advances in the basic knowledge of plasmid biology, the specialized functions plasmids confer to the host cell, and the practical utilization of plasmids for discovery, medicine, and agriculture.