Strains: 1, M05T; 2, FI-05198; 3. M.parafortuitum CCUG 20999T; 4, M. wolinskyi CCUG 47168T; 5, M. mageritense CCUG 37984T; 6, M. senegalense CCUG 21001T; 7, M. fortuitum CCUG 20994T; 8, M. porcinum CCUG 37674T; 9, M. farcinogenes CCUG 21047T; 10, M. insubricum CCUG 55636T.Only CFAs with contents greater than 1.0 % of the species total CFA profile are included. ECL, Equivalent chain length; TR, trace. All the strains were grown for 10 days at 37 uC on Middlebrook 7H11 agar.