Additional file 4.

Validation of microarray results using quantitative RT-PCR. Relative transcript levels of five Xoo (A) and two Xoc (B) genes in PSB vs. XOM2 culture were quantified with reference to corresponding standard curves and plotted as ng PCR product. The primers used are noted below each plot.

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Seo et al. BMC Microbiology 2008 8:99   doi:10.1186/1471-2180-8-99