Nanoplasmonic SERS-enabled structural identification of an uncharacterised indole metabolite directly in E. coli cultures
M H Pouriaye Vali, Elle W. Wyatt, Kieran Abbott, Cameron Croft, Píetro Lió, Thomas F. Krauss, Minahil Khan, Ashraf Zarkan, Jeremy J. Baumberg, Diana Fusco
This study identifies a novel indole metabolite, I*, produced by TnaA in E. coli using nanoplasmonic SERS, without isolation or purification.
bioRxiv · Nov 10, 2025 · PreprintMicrobiology