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Global Health and Tropical Medicine

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Boldine-derived Alkaloids inhibit the activity of DNA topoisomerase I and growth of Mycobacterium tuberculosis

The spread of multidrug-resistant isolates of Mycobacterium tuberculosis requires the discovery of new drugs directed to new targets. In this study, we investigated the activity of two boldine-derived alkaloids, seconeolitsine (SCN) and N-methyl-seconeolitsine (N-SCN), against M. tuberculosis. These compounds have been shown to target DNA topoisomerase I enzyme and inhibit growth of Streptococcus pneumoniae. Both SCN and N-SCN inhibited M. tuberculosis growth at […]
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Synergy between circular bacteriocin AS-48 and ethambutol against mycobacterium tuberculosis

The increasing incidence of multi-drug resistant Mycobacterium tuberculosis and the very few drugs available for treatment is promoting the discovery and development of new molecules that could help in the control of this disease. Bacteriocin AS-48 is an antibacterial peptide produced by Enterococcus faecalis, active against several Gram-positive bacteria. We have found that AS-48 was active against Mycobacterium tuberculosis, […]
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GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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