The serially 5′ -deleted promoter constructs of the OsPIANK1 gene were fused to the GUS reporter gene in the vector pCMDC163. H: HSE, cis-acting element involved in heat stress responsiveness. C: CGTCA-box, cis-acting regulatory element involved in the MeJA-responsiveness. J: JERE, cis-acting regulatory element involved in the MeJA-responsiveness. E: ERE, ethylene-responsive element. D: DRE, cis-acting element involved in dehydration, low-temp, salt stresses. M: MBS, MYB binding site involved in drought-inducibility. G: GCC-box, ethylene- responsive element. A: ABRE, cis-acting element involved in the abscisic acid responsiveness. T: TCA-element, cis-acting element involved in SA responsiveness.