Cloning of spermidine synthase gene in Eleutherococcus senticosus and effect of endophytic fungus on its expression Effect of exogenous ALA、SNP and Spd on seed germination characteristics of Platycodon grandiflorum under NaCl stress Expression, Purification, Crystallization of SPD1587 Protein from Streptococcus pneumoniae SPD induced salt resistance and mechanism in Chinese cabbage Technology of refining A-linolenic acid in Semen Sesami oil by short path distillation Effects of Exogenous Spermidine on Chlorophyll Precursors Content of Spinach Plants under Salt Stress The Effects of Spermidine Pretreatment on Antioxidative Capacity in Wheat Seedlings under Osmotic Stress Effects of Exogenous Spd on NO3--N,NH4+-N Contents and Nitrate Reductase Activity of Salt Stressed Leaves and Roots of Cucumber Seedlings Overexpression of the OsPDCD5 Gene Induces Programmed Cell Death in Rice Effect of spermidine on seed germination and physiological characteristics of Perilla frutescens seedlings under NaCl stress Relationship between Endogenous Polyamines and Tolerance in Medicago sativa L. under Heat Stress Cloning of spermidine synthase gene in Eleutherococcus senticosus and effect of endophytic fungus on its expression