Figure 5

Transcript of 15 selected  P. hopeiensis  genes at different stages of water-deficit treatment as determined by quantitative RT-PCR and semi-quantitative RT-PCR. The Poplar ACTINII-like (accession number: EF145577) and UBIQUITIN genes were used as an internal controls. Genes expression patterns relative to the ACTINII-like gene were used as an internal control,and are represented as a white column (notated as ACT). Genes expression patterns relative to that UBIQUITIN gene were used as internal control, and are represented as a gray column (notated as UBQ). Significant differences between treatments (P≦0.01) are denoted by letters A-D, Bars indicate SE, 1–4, four time point of water-deficit treatment. Annotation of TDF91-408 were shown in Table 1.