The invention includes the gene csrB, the RNA encoded thereby and methods of use thereof. csrB RNA binds to and antagonizes the ability of CsrA to down-regulate the production of certain metabolic products. This invention is also drawn to methods of using csrB polynucleotides, and combination of csrB...http://www.google.co.uk/patents/US6537815?utm_source=gb-gplus-sharePatent US6537815 - Method of altering the expression of csrB to modify the properties of a cell