Unexpected discovery can open a new chapter in the fight against tuberculosis

A close relative of the microorganism that causes tuberculosis in humans has been found to form spores. This is a sensational finding because researchers have long been convinced that these kinds of bacteria-the mycobacteria-were incapable of forming spores. Leif Kirsebom's research group at Uppsala University now has photographic proof, obtained while working with the bacteria that causes tuberculosis in fish, to challenge this long-held belief. Their discovery, which has attracted much attention from other scientists, might constitute a new turn in the fight against human tuberculosis.

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