Fig. 7From: The stringent response regulator (p) ppGpp mediates virulence gene expression and survival in Erwinia amylovoraProposed working model for (p) ppGpp regulation in E. amylovoran. RNAP: RNA polymerase; Symbols: orange spots: (p) ppGpp; blue oval: RNAP; downwards arrow: positive effect; box drawings light up and horizontal: negative effectBack to article page