Influence of Light on Growth Characteristics and PAP Gene Expression of Hairy Roots Induced from Phytolacca americana Purification and Characterization of a New Ribosome Inactivating Protein from Cinchonaglycoside C-treated Tobacco Leaves Cloning of Pokeweed Antiviral Protein Gene from Phytolacca acinosa and its Transfer to Pepper(Capsicum annuum L) Cloning of Pokeweed Antiviral Protein Gene from Phytolacca acinosa and its Transfer to Pepper(Capsicum annuum L) Pokeweed antiviral protein and its therapeutic application to AIDS