Acetylcholinesterase-Inhibiting Activity of Pyrrole Derivatives from a Marine Bacterium
Author Information
Author(s): Sangnoi Yutthapong, Sakulkeo Oraphan, Yuenyongsawad Supreeya, Kanjana-opas Akkharawit, Ingkaninan Kornkanok, Plubrukarn Anuchit, Suwanborirux Khanit
Primary Institution: Prince of Songkla University
Hypothesis
Can pyrrole derivatives from the marine gliding bacterium Rapidithrix thailandica inhibit acetylcholinesterase activity?
Conclusion
Marinoquinoline A from Rapidithrix thailandica shows strong acetylcholinesterase inhibition, while two related compounds were inactive.
Supporting Evidence
- Marinoquinoline A exhibited strong inhibition with an IC50 of 4.9 μM.
- Compounds 3 and 4 were virtually inactive in the acetylcholinesterase-inhibitory assay.
- The isolation of compound 3 from a natural source is reported for the first time.
Takeaway
Scientists found a new compound from a marine bacterium that can help with brain problems by stopping a certain enzyme, but two other similar compounds didn't work.
Methodology
The study involved isolating compounds from the bacterium and testing their ability to inhibit acetylcholinesterase activity.
Limitations
The study suggests that one of the compounds may be an isolation artifact.
Digital Object Identifier (DOI)
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