We are grateful to Prof.Yuhui Sun from Wuhan university,China,and the late Prof.Keqian Yang from Institute of Microbiology,Chinese Academy of Sciences,for providing plasmids pWHU2653 and pDR-4-K^*,respectively.This work was supported by grants from the National Natural Science Foundation of China(No.31470157,21661140002);the Ministry of Science and Technology of China(No.2012AA02A706).
Theα-glucosidase inhibitor acarbose is commercially produced by Actinoplanes sp.and used as a potent drug in the treatment of type-2 diabetes.In order to improve the yield of acarbose,an efficient genetic manipulatio...
supported by grants from the Ministry of Science and Technology of China (2012CB721005, 2012AA02A706, 2011ZX08009-001, 2012AA022107);the National Natural Science Foundation of China (31070070, 31121064);Ministry of Education of China (20110073110048);the SJTU-UM Collaborative Program
The highly potent antitumor agent ansamitocin P3 is a macrolactam isolated from Actinosynnema pretiosum ATCC 31565. A 120-kb DNA fragment was previously identified as the ansamitocin biosynthetic gene cluster, and con...