''Mycobacterium diernhoferi'' is a species of the phylum
Actinomycetota
The ''Actinomycetota'' (or ''Actinobacteria'') are a phylum of all gram-positive bacteria. They can be terrestrial or aquatic. They are of great economic importance to humans because agriculture and forests depend on their contributions to s ...
(
Gram-positive
In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall.
Gram-positive bact ...
bacteria
Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one Cell (biology), biological cell. They constitute a large domain (biology), domain of prokaryotic microorganisms. Typically a few micrometr ...
with high
guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''
Mycobacterium''.
Description
Gram-positive
In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall.
Gram-positive bact ...
, nonmotile and acid-fast rods (2-6
µm x 0.5 µm).
Colony characteristics
*White smooth and non-photochromogenic
colonies
In modern parlance, a colony is a territory subject to a form of foreign rule. Though dominated by the foreign colonizers, colonies remain separate from the administration of the original country of the colonizers, the '' metropolitan state'' ...
.
Physiology
*Fast growth at 28 °C and 37 °C within 3 days, no growth at 42 °C.
*Resistant to
isoniazid
Isoniazid, also known as isonicotinic acid hydrazide (INH), is an antibiotic used for the treatment of tuberculosis. For active tuberculosis it is often used together with rifampicin, pyrazinamide, and either streptomycin or ethambutol. For la ...
,
rifampin
Rifampicin, also known as rifampin, is an ansamycin antibiotic used to treat several types of bacterial infections, including tuberculosis (TB), ''Mycobacterium avium'' complex, leprosy, and Legionnaires’ disease. It is almost always used tog ...
, Susceptible to
ethambutol
Ethambutol (EMB, E) is a medication primarily used to treat tuberculosis. It is usually given in combination with other tuberculosis medications, such as isoniazid, rifampicin and pyrazinamide. It may also be used to treat ''Mycobacterium avi ...
.
Differential characteristics
Belongs to the ''
Mycobacterium parafortuitum'' complex. Which unifies rapidly growing,
scotochromogenic mycobacteria (''
M. parafortuitum'', ''
Mycobacterium aurum
''Mycolicibacterium aurum'' 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 ''Mycolicibacterium''.
The species is an ...
'', ''
Mycobacterium neoaurum'', ''M. diernhoferi'' and ''
Mycobacterium austroafricanum'').
Pathogenesis
*Not associated with disease.
Biosafety level 1.
Type strain
First isolated from soil in a
cattle
Cattle (''Bos taurus'') are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus ''Bos''. Adult females are referred to as cows and adult ma ...
field (
Germany
Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
).
Strain 41001 =
ATCC 19340 = CIP 105384 = DSM 43524 = HAMBI 2269 = IFO (now NBRC) 14756 = JCM 6371.
Further reading
*Tsukamura et al. 1983. Numerical taxonomy of rapidly growing, scotochromogenic mycobacteria of the Mycobacterium parafortuitum complex: Mycobacterium austroafricanum sp. nov. and Mycobacterium diernhoferi sp. nov., nom. rev. Int. J. Syst. Bacteriol.,33, 460–469.
External links
Type strain of ''Mycobacterium diernhoferi'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Acid-fast bacilli
diernhoferi
Bacteria described in 1983
{{Mycobacterium-stub