Fig. 2.

Sensitivity test of PVX with RNA dilutions of (A) 10⁰, (B) 10¹ and (C) 10² fold using microarray, and (D) RT-PCR. The array image is a computer generated pseudo-color image. The construction of the microarray is described in Supplementary File 1. The target viruses of each probe are described in the data table of GEO platform GPL8484. Probes targeting Potexvirus were highlighted with red rectangles. Probes not included in the red rectangles were probes targeting the other virus genera. Some probes targeting Potexvirus were not positive, as can be seen in the lower right rectangle of each image, because they may target the other viruses, other than PVX, in the genus Potexvirus.