核糖糖基化引起仓鼠卵巢细胞GRP75变化

<正>Dear Editor,Recently,type 2 diabetic patients were clinically observed to suffer from dysfunction not only in glucose metabolism,but also ribose[1-2].Ribose is rapidly reacted with protein[3-4],producing cytotoxic ribosylated products[5],whose progress is much faster than glucose[6-7].A 75 ku glucose regulated protein(GRP75)is generally recognized as a member of the heat shock protein 70(HSP70)class of proteins,which is induced under conditions of low glucose and other nutritional and environmental stresses[8-9].Administration of ribose induces a decrease in blood     

湖南小溪自然保护区树附生苔藓植物研究

采用水平拉线法调查了小溪国家级自然保护区中树附生苔藓植物的种类,并对其进行了地理成分的分析.研究结果表明:该地区附生苔藓植物共18科26属共43种,其中苔类植物6科6属6种,藓类植物12科20属37种;树附生苔藓植物区系成分以东亚成分为主,其次为热带亚洲成分,再次为旧世界温带成分及温带亚洲成分.