Table 3.

Summary scheme of fatty acids, secondary alcohols, MACP, and mycolic acids for characterization of nonpigmented slowly growing mycobacteria

SpeciesPresence ofa:Type of mycolates presentb
2,4-diMe-14:02-OH20:0alc2-Me-20:02-OH-22:0alc2-OH-8,15-diMe-22:1alc2,4-diMe-22:02-OH-8,17-diMe-24:1alc2,4,6-triMe-24:026:0
M. aviumc-M. intracellulare NPPNPNPNPNPNPNPNPAlpha, keto, dicarboxy
M. branderi NPPNPNPNPNPNPNPPAlpha, keto, dicarboxy
M. celatumc NPPNPNPNPNPNPNPPAlpha, keto, dicarboxy
M. gastri PNPNPNPNPNPNPNPNPAlpha, methoxy, keto
M. malmoense NPNPPNPNPPNPPPAlpha, alpha′, keto
M. nonchromogenicum NPPNPNPPNPPNPNPAlpha, keto, dicarboxy
M. shimoidei NPPNPPNPNPNPNPNPAlpha, alpha′, keto, dicarboxy
M. terrae NPPNPNPNPNPTNPNPAlpha, keto, dicarboxy
M. triviale NPNPNPNPNPNPNPNPNPAlpha
M. tuberculosis NPNPNPNPNPNPNPNPPAlpha, methoxy, keto
  • a P, present; NP, not present; T, trace.

  • b Data from reference 23.

  • c Occasionally produces yellow pigment (4,5, 7, 20).