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'') a ...

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 africanum'' is a species of ''Mycobacterium'' that is most commonly found in West African countries, where it is estimated to cause up to 40% of pulmonary tuberculosis. The symptoms of infection resemble those of ''M. tuberculosis ...

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

Mycobacterium leprae ''Mycobacterium leprae'' (also known as the leprosy bacillus or Hansen's bacillus) is one of the two species of bacteria that cause Hansen's disease (leprosy), a chronic but curable infectious disease that damages the peripheral nerves and ta ...

* Mycobacterium lacus * Mycobacterium lepraemurium *

Mycobacterium microti ''Mycobacterium microti'' is a member of the Mycobacterium tuberculosis complex (MTBC) known as the 'Vole bacillus', first described as a pathogen of field voles in England. Description Gram-positive, nonmotile, acid-fast rods. Colony characte ...

Mycobacterium pinnipedii ''Mycobacterium pinnipedii'' is a member of the ''Mycobacterium tuberculosis'' complex which primarily infects seals. It is a slowly growing ''Mycobacterium''. The species is named after the pinnipeds, the organisms from which ''M. pinnipedii ...

* Mycobacterium shottsii *

Mycobacterium tuberculosis ''Mycobacterium tuberculosis'' (M. tb), also known as Koch's bacillus, 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'' ha ...

Smooth

* Mycobacterium branderi *

Mycobacterium heidelbergense ''Mycobacterium heidelbergense'' is a Gram-positive, nonmotile, acid-fast coccobacillus. 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), b ...

* 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'' 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'') a ...

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 age ...

* Mycobacterium avium silvaticum * Mycobacterium genavense * Mycobacterium montefiorense *

Mycobacterium ulcerans ''Mycobacterium ulcerans'' is a species of bacteria found in various aquatic environments. The bacteria can infect humans and some other animals, causing persistent open wounds called Buruli ulcer. ''M. ulcerans'' is closely related to ''Mycoba ...

Photochromogenic

Mycobacterium intermedium ''Mycobacterium intermedium'' 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''. Etymology: Latin; int ...

Yellow and smooth *

Mycobacterium asiaticum ''Mycobacterium asiaticum'' is a slowly growing photochromogenic mycobacterium ''Mycobacterium'' is a genus of over 190 species in the phylum Actinomycetota, assigned its own family, Mycobacteriaceae. This genus includes pathogens known to ...

Mycobacterium marinum ''Mycobacterium marinum'' is a slow growing fresh and saltwater mycobacterium (SGM) belonging to the genus ''Mycobacterium'' and the phylum Actinobacteria. It was formerly known as ''Mycobacterium balnei''. The strain marinum was first identified ...

Yellow and rough *

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

Scotochromogenic

Yellow

Mycobacterium conspicuum ''Mycobacterium conspicuum'' 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 Gram-posit ...

Mycobacterium botniense ''Mycobacterium botniense'' is a slowly growing ''Mycobacterium'', which produces a yellow pigment. It was first isolated from a stream of water. ''M. botniense'' is most closely related to '' Mycobacterium xenopi''. Etymology Etymology ( ...

Mycobacterium farcinogenes ''Mycobacterium farcinogenes'' 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''. Although slow-growin ...

Mycobacterium heckeshornense ''Mycobacterium heckeshornense'' 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 Gram-p ...

Mycobacterium interjectum ''Mycobacterium interjectum'' 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. Name Etymology: Phylogene ...

* Mycobacterium kubicae *

Mycobacterium lentiflavum ''Mycobacterium lentiflavum'' Etymology: Lentus from Latin for slow, flavus, Latin for yellow. Description Gram-positive, nonmotile and acid-fast coccobacilli. Colony characteristics *Smooth colonies, with bright yellow pigmentation 1-2mm in d ...

* 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 guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''Mycobacterium''. Etymology Its name is ...

* Mycobacterium gordonae

Rose-pink

* Mycobacterium hiberniae

References

Bacteriology *S {{actinobacteria-stub