has role virmugen virmugen role Bacillus anthracis gene mntA from Bacillus anthracis NCBI_Gene_ID: 7848141; PMID: 16194238 Rebecca Racz An mntA deletion mutant, generated by allelic replacement, in Bacillus anthracis was attenuated and provided protection for guinea pigs against lethal spore dose (60 LD50) of the virulent B. anthracis Vollum strain gene Oliver He