Deletion of the Bacillus anthracis capB homologue in Francisella tularensis subspecies tularensis generates an attenuated strain that protects mice against virulent tularaemia. - Michell SL; Dean RE; Eyles JE; Hartley MG; Waters E; Prior JL; Titball RW; Oyston PCF (Journal of medical microbiology, 2010)