The present invention provides a method of regulating expression of a gene by (a) preparing a recombinant plant cell line, plant tissue or plant with an expression vector having an abiotic environmental stress-responsive promoter of SEQ ID NO: 27 and the gene downstream thereof; and (b) culturing and cultivating the recombinant plant cell, plant tissue or plant under an abiotic environmental stress, wherein the promoter regulates the expression of the gene under the abiotic environmental stress.