Abstract
An Australian marine sediment-derived isolate, Nocardiopsis sp. (CMB-M0232), yielded a new class of prenylated diketopiperazine, indicative of the action of a uniquely regioselective diketopiperazine indole prenyltransferase. The bridged scaffold of nocardioazine A proved to be a noncytotoxic inhibitor of the membrane protein efflux pump P-glycoprotein, reversing doxorubicin resistance in a multidrug resistant colon cancer cell.
Original language | English |
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Pages (from-to) | 2770-2773 |
Number of pages | 4 |
Journal | Organic Letters |
Volume | 13 |
Issue number | 10 |
DOIs | |
Publication status | Published - 2011 |