The luxS gene is not required for Borrelia burgdorferi tick colonization, transmission to a mammalian host, or induction of disease.
Blevins JS, Revel AT, Caimano MJ, Yang XF, Richardson JA, Hagman KE, Norgard MV. The luxS gene is not required for Borrelia burgdorferi tick colonization, transmission to a mammalian host, or induction of disease. Infect Immun. 2004 Aug; 72(8):4864-7.