Slowly growing Mycobacteria

Mycobacteria that form colonies clearly visible to the naked eye in more than 7 days on subculture are termed slow growers.

They can cause disease in humans.

List of slowly growing Mycobacteria

Nonchromogenic

Rough

• Mycobacterium africanum
• Mycobacterium bovis
• Mycobacterium leprae
• Mycobacterium lacus
• Mycobacterium lepraemurium
• Mycobacterium microti
• Mycobacterium pinnipedii
• Mycobacterium shottsii
• Mycobacterium tuberculosis

Smooth

• Mycobacterium branderi
• Mycobacterium heidelbergense
• Mycobacterium intracellulare
• Mycobacterium malmoense

Smooth to rough

• Mycobacterium gastri
• Mycobacterium haemophilum

Small and transparent

• Mycobacterium avium avium
• Mycobacterium avium paratuberculosis
• Mycobacterium avium silvaticum
• Mycobacterium genavense
• Mycobacterium montefiorense
• Mycobacterium ulcerans

Photochromogenic

• Mycobacterium intermedium

Yellow and smooth

• Mycobacterium asiaticum
• Mycobacterium marinum

Yellow and rough

• Mycobacterium kansasii

Scotochromogenic

Yellow

• Mycobacterium conspicuum
• Mycobacterium botniense
• Mycobacterium farcinogenes
• Mycobacterium heckeshornense
• Mycobacterium interjectum
• Mycobacterium kubicae
• Mycobacterium lentiflavum
• Mycobacterium nebraskense
• Mycobacterium palustre
• Mycobacterium tusciae

Yellow-orange

• Mycobacterium cookii
• Mycobacterium flavescens
• Mycobacterium gordonae

Rose-pink

• Mycobacterium hiberniae

References