In contrast , iron repression of the ssaG gene did not occur in Fig. 2C , suggesting that Fur represses SPI-2 expression in an iron-dependent fashion .
In contrast , iron repression of the ssaG gene did not occur in the fur deletion mutant , suggesting that Fur represses SPI-2 expression in an iron-dependent fashion .
the same growth-condition was in contrast to the Fur repression of ssaG expression