Engineering of Phosphoserine Aminotransferase Increases the Conversion of l-Homoserine to 4-Hydroxy-2-ketobutyrate in a Glycerol-Independent Pathway of 1,3-Propanediol Production from Glucose Zhang, Yujun Ma, Cheng-Wei Dischert, Wanda Soucaille, Philippe Zeng, An-Ping 2019 - TUHH Open Research