syringae pv. Tabtoxin production in P. tabaci, tomato and glycinea on plant defense response. Therefore, we examined the expression level of another gene, epsD, which is involved in EPS synthesis in Streptococcus thermophilus (21), by RT-PCR. O'Toole. 3C and D). Each value was normalized for differences in cell density (35). Your browser doesn't accept cookies. Abstract/FREE Full Text Kinscherf, T.