text:  T-bet KO, replicate 3 OT1 cells sorted at d6 of Listeria-OVA infection of T-bet KO mice strain: C57BL/6; gender: Male; age: 6 weeks; tissue: Spleen; genotype/variation: T-bet KO; phenotypic marker: CD8+ CD45.1+ CD45.2- CD4- MHCII- B220- Gr1- NK1.1-