Mycobacteria ''Mycobacterium'' is a genus of over 190 species in the phylum Actinomycetota, assigned its own family, Mycobacteriaceae. This genus includes pathogens known to cause serious diseases in mammals, including tuberculosis ('' M. tuberculosis'') and ...

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 bovis'' is a slow-growing (16- to 20-hour generation time) aerobic bacterium and the causative agent of tuberculosis in cattle (known as bovine TB). It is related to ''Mycobacterium tuberculosis'', the bacterium which causes tube ...

* Mycobacterium leprae * Mycobacterium lacus * Mycobacterium lepraemurium * Mycobacterium microti * Mycobacterium pinnipedii * Mycobacterium shottsii *

Mycobacterium tuberculosis ''Mycobacterium tuberculosis'' (M. tb) is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis. First discovered in 1882 by Robert Koch, ''M. tuberculosis'' has an unusual, waxy coating on its c ...

Smooth

* Mycobacterium branderi * Mycobacterium heidelbergense * Mycobacterium intracellulare * Mycobacterium malmoense

Smooth to rough

* Mycobacterium gastri *

Mycobacterium haemophilum ''Mycobacterium haemophilum'' is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''Mycobacterium''. Description Short, oc ...

Small and Transparent

Mycobacterium avium avium ''Mycobacterium avium'' is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''Mycobacterium''. The type strain is ATCC 25 ...

Mycobacterium avium paratuberculosis ''Mycobacterium avium'' subspecies ''paratuberculosis'' (MAP) is an obligate pathogenic bacterium in the genus '' Mycobacterium''. It is often abbreviated ''M. paratuberculosis'' or ''M. avium'' ssp. ''paratuberculosis''. It is the causative ag ...

* Mycobacterium avium silvaticum *

Mycobacterium genavense Mycobacterium genavense is a slow-growing species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''Mycobacterium''. Description N ...

* Mycobacterium montefiorense * Mycobacterium ulcerans

Photochromogenic

* Mycobacterium intermedium Yellow and smooth * Mycobacterium asiaticum * Mycobacterium marinum Yellow and rough *

Mycobacterium kansasii ''Mycobacterium kansasii'' is a bacterium in the ''Mycobacterium'' genus. It is an environmental bacteria that causes opportunistic infections in humans, and is the one of the leading mycobacterial causes of human disease after tuberculosis and ...

Scotochromogenic

Yellow

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

Yellow-Orange

* Mycobacterium cookii *

Mycobacterium flavescens ''Mycobacterium flavescens'' is a species of the phylum Actinomycetota (Gram-positive bacteria with high G+C ratio, guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''Mycobacterium''. Etymology It ...

Mycobacterium gordonae ''Mycobacterium gordonae'' is a species of ''Mycobacterium'' named for Ruth E. Gordon. It is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), be ...

Rose-Pink

* Mycobacterium hiberniae

References

Bacteriology *S {{actinobacteria-stub