A method for biologically producing acetin such as monoacetin, diacetin, or triacetin according to an embodiment of the present disclosure includes reacting acetyl-CoA with glycerol in the presence of a first O-acetyl transferase to obtain the acetin. With the method, acetin which is sustainable and safe, and has more excellent quality while not causing environmental pollution may be obtained.

A system for expressing a chloramphenicol split protein is disclosed. Uses thereof are also disclosed.

A system for expressing a chloramphenicol split protein is disclosed. Uses thereof are also disclosed.