Byeong Il Hwang, Yu Kyung An, Dong Ho Seo, Jong Hyun Jung, Dong Hyun Jung, Cheon-Seok Park
언어
영어(ENG)
URL
https://www.earticle.net/Article/A294731
※ 원문제공기관과의 협약기간이 종료되어 열람이 제한될 수 있습니다.
원문정보
초록
영어
The trehalose phosphorylase (TPase, EC 2.4.1.64) and kojibiose phosphorylase (KPase, EC 2.4.1.230) catalyze the phospholytic activities on the α1,1glucosidic linkage and α 1,2glucosidic linkage in each substrates (trehalose and kojibiose), respectively. Both enzymes also perform the reverse reaction of the phosphorylase, with which α1,1 and α 1,2- glucosidic linkages are formed with glucose and glucose-6-phosphate as substrates. In this study, the KPase and TPase genes were expressed in E. coli. Two phosphorylases, TPase and KPase from each Anaerocellum thermophilum DSM 6725 and Pyrococcus sp. ST04 were incorporated into E. coli BL21, respectively. The presence of catalytic activities of both recombinant enzymes were confirmed. The continuous reaction with TPase and KPase was carried out with trehalose as a sole substrate. The thin layer chromatography (TLC) and high performance anion exchange chromatography (HPAEC) analysis revealed the formation of an unusual trisaccharide in a reaction mixture. The structural analysis of an unusual trisaccharide showed that the final product was a rare tripolysaccharide, selaginose. The result indicated that a rare tripolysaccharide, selaginose, can be synthesized by one-step enzymatic reaction system with KPase and TPase.
저자
Byeong Il Hwang [ Graduate School of Biotechnology and Institute of Life Sciences & Resources, Kyung Hee University, Yongin 17104, Republic of Korea ]
Yu Kyung An [ Graduate School of Biotechnology and Institute of Life Sciences & Resources, Kyung Hee University, Yongin 17104, Republic of Korea ]
Dong Ho Seo [ Graduate School of Biotechnology and Institute of Life Sciences & Resources, Kyung Hee University, Yongin 17104, Republic of Korea ]
Jong Hyun Jung [ Graduate School of Biotechnology and Institute of Life Sciences & Resources, Kyung Hee University, Yongin 17104, Republic of Korea ]
Dong Hyun Jung [ Graduate School of Biotechnology and Institute of Life Sciences & Resources, Kyung Hee University, Yongin 17104, Republic of Korea ]
Cheon-Seok Park [ Graduate School of Biotechnology and Institute of Life Sciences & Resources, Kyung Hee University, Yongin 17104, Republic of Korea ]
본 학회는 화학, 생화학, 분자생물학, 미생물학, 식품공학, 의학, 약학, 유전공학 및 생물공학, 환경 및 기타 공업 등 전 분야의 탄수화물관련 이론과 기술을 연구 발전시키고 산학협동을 통해 이를 보급하여 국내 관련 산업의 발전 및 국민생활의 과학화에 기여하고자 하며, 이러한 목표와 비젼의 실현을 위해 회원들이 적극적인 참여와 활동을 전개하고자 한다.