Talaromycesone A is a fungal metabolite originally isolated fromTalaromyces.1It is active againstS. epidermidisand methicillin-resistantS. aureus(MRSA) bacteria (IC50s = 3.70 and 5.48 μM, respectively). Talaromycesone A inhibits acetylcholinesterase (AChE) in a cell-free assay (IC50= 7.49 μM for the human enzyme). 1.Wu, B., Ohlendorf, B., Oesker, V., et al.Acetylcholinesterase inhibitors from a marine fungus Talaromyces sp. strain LF458Mar. Biotechnol. (NY)17(1)110-119(2015)