Figure 2From: SagE induces highly effective protective immunity against Streptococcus iniae mainly through an immunogenic domain in the extracellular regionDetection of SagE in vaccinated fish. Muscle tissues were taken from flounder vaccinated with pSagE (A) and pCN3 (B) at 7 days post-vaccination and used for immunocolloidal gold electron microscopy with gold-labeled antibody. Arrows indicate gold particles. Bar = 100 nm.Back to article page