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A hierarchical clustering of the presence (black) and absence (white) of M. tuberculosis H37Rv toxin/antitoxin orthologs in M. riyadhense, M. marinum, M. kansasii, M. shinjukuense, M. lacus, M. decipiens and MTBC species. The orange blocks denote the presence of either the toxin or antitoxin ortholog in a given pair of the T/A system. The black and white blocks represent presence and absence respectively. The name of the T/A system are shown for each row on the right.
