Table 1b. Five sRNAs involved in virulence of S. Typhimurium.

sRNA name	Target mRNA	Role in virulence	References
IsrJ		Control of effector protein production	32
IsrM	hilE, sopA	Modulates the expression of SPI1 proteins via hilE; downregulates SopA	57
IstR	tisAB	SOS induced toxic peptide – Inhibits growth allowing DNA repair	62,61
OxyS	Regulates about 40 genes; including rpoS	Inhibits alternate stress adaptation pathways during oxidative stress	20,32,61
SroA	Riboswitch element of the thiBPQ operon	Putative import of Thiamine and Thiamine pyrophosphate	61