Cloning and expression analysis of tonoplast intrinsic proteins gene in Eleutherococcus senticosus Cloning and expression stability analysis of actin gene in Eleutherococcus senticosus Analysis on bias of functional gene codon of Eleutherococcus senticosus Gene cloning and expression level of bAS and their correlation with content of saponins in Eleutherococcus senticosus Cloning and analysis on GAPDH genomic DNA from Eleutherococcus senticosus