Dinesh Koju

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Tuberculosis is one of the foremost public health problems causing an enormous burden of suffering and deaths. Chemotherapy is the basic approach to clinical tuberculosis control. Essential anti-tuberculosis drugs are Isoniazide (INH), Rifampicin (RMP), Pyrazinamide (PZA), Ethambutol (E) and Streptomycin (S). Department of Pharmacy, KU, KUTH, and Dhulikhel(More)
A number of secondary metabolites having therapeutic importance have been reported from the genus Nocardia. One of the polyketide antibiotic compounds isolated from Nocardia is nargenicin A(1). Recently, nargenicin A(1) has been isolated from Nocardia sp. CS682, a new Nocardia strain isolated from soil in Jeonnam, South Korea. It possesses strong(More)
Nargenicin A1 is a 28-membered polyketide macrolide, with antibacterial activity against methicillin-resistant Staphylococcus aureus, produced by Nocardia sp. CS682. In this study, the production of nargenicin A1 was improved by enhancing the supply of different biosynthetic precursors. In Nocardia sp. CS682 (KCTC11297BP), this improvement was ~4.62-fold(More)
A number of structurally diverse natural products harboring pyrrole moieties possess a wide range of biological activities. Studies on biosynthesis of pyrrole ring have shown that pyrrole moieties are derived from l-proline. Nargenicin A1, a saturated alicyclic polyketide from Nocardia sp. CS682, is a pyrrole-2-carboxylate ester of nodusmicin. We cloned and(More)
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