- Persistence of Mycobacterium tuberculosis in macrophages and mice requires the glyoxylate shunt enzyme isocitrate lyase. McKinney, J.D., Höner zu Bentrup, K., Muñoz-Elías, E.J., Miczak, A., Chen, B., Chan, W.T., Swenson, D., Sacchettini, J.C., Jacobs, W.R., Russell, D.G. Nature (2000)