International Journal of Molecular Sciences Article Uridine Diphosphate-Dependent Glycosyltransferases from Bacillus subtilis ATCC 6633 Catalyze the 15-O-Glycosylation of Ganoderic Acid A Te-Sheng Chang 1,† , Jiumn-Yih Wu 2,†, Tzi-Yuan Wang 3 , Kun-Yuan Wu 1 and Chien-Min Chiang 4,* ...