Genes up- and down-regulated only in the root tips of wild-type rice.

aFuncronal classification based on Table 1.bRAP-ID based The Rice Annotation Project (RAP) ID numbers.cAccsesion based GenBank locus of the National Center of Biotechnology Information (NCBI).dAnnotation based on the Rice Annotation Project Database (RAP-DB) build 3.0 by the International Rice Genome Sequencing Project (IRGSP).eFold change, ratio of transcript abundance in Al treatement/transcript abundance in control (−Al) treatment.fStandard deviation of the mean.