García, M.T. Carreño, D. Tirado-Vélez, J.M. Ferrándiz, M.J. Rodrigues, L. Gracia, B. Amblar, M. Ainsa, J.A. de la Campa, A.G. Boldine-derived Alkaloids inhibit the activity of DNA topoisomerase I and growth of Mycobacterium tuberculosis Front. microbiol. 10.3389/fmicb.2018.01659 2018 2018