低温胁迫对甘薯S-腺苷甲硫氨酸合成酶mRNA表达水平的影响

S5; [Objective]The mRNA expression level changes of S-adenesylmethionine synthetase(SAMS)under low temperature stress was studied.[Method]Total RNA were extracted from leaves,stem and earthnut of sweet potato 0,12,24,48 and 72 h after low temperature treatement,mRNA expression level was analyzed by reverse expression and Real-time PCR technique.[Result]The expression quality of the gene extracted from leaves,stem and earthnut increased and the expression quality reached the peak point 24,72 and 72 h after low ~nperature treatment respectively.The expression change of earthnut was the biggest.[Conclusion]Low temperature was good for increasing mRNA expression of relevart genes.