期刊論文
學年 | 80 |
---|---|
學期 | 1 |
出版(發表)日期 | 1991-09-18 |
作品名稱 | The conversion of group B red blood cells into group O by an α-d-galactosidase from taro (Colocasia esculenta) |
作品名稱(其他語言) | 轉變B型紅血球為O型紅血球 |
著者 | Chien, Su-fang; Lin-Chu, Marie |
單位 | 淡江大學化學學系 |
出版者 | Oxford: Pergamon |
著錄名稱、卷期、頁數 | Carbohydrate research 217, pp.191-200 |
摘要 | An α-d-galactosidase (EC 3.2.1.21), capable of converting group B into group O red cells, was isolated from the stem portion of taro. It was purified about 3000 fold by gel filtration and ion-exchange chromatography. The blood group-converting activity was demonstrated by hemolysis and hemagglutination studies. This activity is comparable to that of α-d-galactosidase isolated from coffee beans. Taro α-d-galactosidase also hydrolyzes (1→4)- and (1→6)-linked α-d-galactopyranosyl groups from d-galactose-containing glycoconjugates. Taro α-d-galactosidase has a low Km value (0.28mM), a low molecular weight (40 000), and a neutral optimal pH (6.0). At a final enzyme concentration of 30 units/mL in the incubation mixture, the conversion of group B into group O activity was completed within two hours, without apparent changes in the shape of the red cells. |
關鍵字 | |
語言 | en |
ISSN | 0008-6215 1873-426X |
期刊性質 | 國外 |
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產學合作 | |
通訊作者 | |
審稿制度 | |
國別 | GBR |
公開徵稿 | |
出版型式 | 紙本 |
相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/25341 ) |