摘要 |
<p>Micro-organisms having a chromosome in which at least one gene has been partly or wholly replaced by a homologous gene from another micro-organism, and an artificially introduced reporter gene is present and is expressed in a manner related to a homologous gene expression product. Panels of such micro-organisms are also described. Methods of assessing an agent for antibiotic activity and using the agent as an antibiotic. Methods of killing or inhibiting the growth of bacteria.</p> |