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논문 상세정보

Abstract

UDP-glucose/galactose-4-epimerase (UGE) catalyzes the interconversion of UDP-glucose and UDP-galactose. Oryza sativa contains four UGEs. Expression of OsUGE3 was higher than other OsUGEs in all tissues except the stem. OsUGE1 expression was enhanced after drought, salt or UV-irradiation stress. Four rice UGEs (OsUGE1-4) were cloned by polymerase chain reaction and sequenced. OsUGE1-4 were expressed in Escherichia coli with glutathione S-transferase fusion protein and purified. All four OsUGEs could covert UDP-glucose into UDP-galactose better than vice versa. Kinetic parameters of OsUGEs showed that OsUGE1 was most efficient. These OsUGEs could be used for biosynthesis of various UDP-sugars, which serve as a cosubstrates of UDP-dependent glycosyltransferase modification reactions of antibiotics or flavonoids.

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이 논문을 인용한 문헌 (1)

  1. 2011. "" Journal of the Korean Society for Applied Biological Chemistry, 54(2): 206~210 

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