Mycobacterium tuberculosis – Lineage 8 strain in BCCM/ITM public collection (ITM 500961)

The Mycobacterium tuberculosis strain (BCCM/ITM 500961), known as the new Lineage 8 strain, was found by chance in Rwanda by Claude Semuto. It has been described as a “missing link” in the evolution of tuberculosis (TB), one of the world’s oldest and most deadly pathogens to affect humans and brings us ‘a step closer’ to finding a cure for tuberculosis.

Read the full story behind this groundbreaking discovery.


New ancestral lineage (L8) of the Mycobacterium tuberculosis complex (strain ITM 500961) can now be ordered by contacting us via e-mail:



Date of publication: 
Tuesday, June 9, 2020