has role virmugen virmugen role Edwardsiella ictaluri gene crp from Edwardsiella ictaluri Oliver He A crp mutant is attenuated in zebrafish and catfish that were immunized intramuscularly and intracoelomically, respectively. Six weeks after immunization, both zebrafish and catfish were protected from challenge with wild type E. ictaluri NCBI_Gene_ID: 7962173; PMID: 22015784 Rebecca Racz gene