The release of larger quantities of cytoplasmic antigen in vivo can be ensured using strains with a knockout alr gene encoding alanine racemase (Grangette et al. 2004; Hugentobler et al. 2012a; Corthesy et al. 2005)
The release of larger quantitiesof cytoplasmic antigen in vivo can be ensured using strainswith a knockout alr gene encoding alanine racemase(Grangette et al. 2004; Hugentobler et al. 2012a; Corthesyet al. 2005)