Virulence genes, proteins, and their use

摘要

A series of genes form Neisseria meningitidis are shown to encode products which are responsible for DNA uptake. The identification of these genes therefore allows attenuated microorganisms to be produced that have a reduced ability to take up DNA. Microorganisms of the invention may be used in the production of genetically stable mutant microorganisms. The genes or their encoded products can be used in the manufacture of vaccines for therapeutic application.