Mycobacterium confluentis

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Mycobacterium confluentis
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Actinomycetota
Class:	Actinomycetia
Order:	Mycobacteriales
Family:	Mycobacteriaceae
Genus:	Mycobacterium
Species:	M. confluentis
Binomial name
*Mycobacterium confluentis* Kirschner et al. 1992, ATCC 49920

Mycobacterium confluentis is a non-pathogenic bacterium of the oral cavity.

Description

Gram-positive, nonmotile, acid-fast coccobacillus (0.5-0.8 μm x 0.7-1.7 μm), does not form spores, capsules or aerial hyphae.

Physiology

Rapid growth within 2 to 4 days on Löwenstein-Jensen media at 22 °C, 31 °C, 37 °C and 41 °C (optimum growth between 31 °C and 37 °C).
In vitro susceptibility to isoniazid, ethambutol and streptomycin.

Differential characteristics

Differentiation from other thermotolerant mycobacteria by its inability to grow at temperatures of more than 41 °C.
Separation from other rapidly growing mycobacteria by its susceptibility to antituberculotic drugs.
Differentiated from the phenotypic closely related M. thermoresistibile by its inability to grow at 52 °C.

Pathogenesis

Not associated with disease. Biosafety level 1.

Type strain

First isolated from sputum, Koblenz, Germany. strain 1389/90 = ATCC 49920 = CIP 105510 = DSM 44017 = JCM 13671.

References

Kirschner et al. 1992. Mycobacterium confluentis sp. nov. Int. J. Syst. Bacteriol., 42, 257–262. PMID 1374623

External links

Type strain of Mycobacterium confluentis at BacDive - the Bacterial Diversity Metadatabase

Mycobacteria (including Nontuberculous)

Slowly growing
(R1P=photochromogenic;
R2S=scotochromogenic;
R3N=nonchromogenic)

Long helix 18
(TKHGC)

M. tuberculosis group

MTC: M. tuberculosis; M. bovis; M. africanum; M. microti; M. canettii; M. caprae; M. pinnipedii

MPM

R1P

M. marinum

R2S

M. pseudoshottsii

R3N

M. ulcerans

M. shottsii

M. ulcerans liflandii

Leprosy: M. leprae; M. lepraemurium; M. lepromatosis

R3N

other

M. lacus

M. kumamotonense

K/H groups

M. kansasii group	MAC R3N M. intracellulare/M. avium M. avium subp. paratuberculosis M. chimaera R2S M. bohemicum GK R1P M. kansasii R3N M. gastri R2S M. nebraskense M. seoulense R3N M. scrofulaceum
M. haemophilum group	M. haemophilum R2S M. szulgai R3N M. malmoense

M. gordonae group

R1P
- M. asiaticum
R2S
- M. gordonae

M. conspicuum group

R2S
- M. conspicuum

Long helix 18
(other)

M. xenopi group	M. botniense M. shimoidei/M. xenopi M. heckeshornense M. hassiacum
M. celatum group	R2S M. cookii R3N M. branderi M. celatum
M. hiberniae group	M. terrae M. hiberniae M. nonchromogenicum/M. arupense

Short helix 18

M. simiae clade	M. simiae group R3N M. genavense/M. triplex M. florentinum/M. montefiorense M. heidelbergense/M. parmense M. simiae R2S M. lentiflavum M. kubicae group R3N M. parascrofulaceum R2S M. palustre/M. kubicae M. interjectum group M. interjectum M. saskatchewanense
M. intermedium group	M. intermedium

Ungrouped

Rapidly growing/
Runyon IV

M. neoaurum group

M. mageritense
M. wolinskyi

M. brisbanense

M. fluoroanthenivorans

F/T groups

M. fortuitum group	M. chitae/M. fallax/M. gadium M. rhodesiae M. houstonense M. neworleansense/M. boenickei/M. fortuitum/M. porcinum/M. senegalense M. septicum/M. peregrinum/M. alvei M. farcinogenes
M. vaccae group	M. obuense/M. gilvum/M. parafortuitum M. chlorophenolicum/M. chubuense M. psychrotolerans/M. sphagni M. aubagnense/M. mucogenicum/M. phocaicum AV M. aurum M. vanbaalenii M. vaccae M. austroafricanum M. pyrenivorans M. poriferae

M. smegmatis group

M. agri/M. thermoresistibile
M. duvalii/M. flavescens
M. monacense
M. pulveris/M. conceptionense/M. moriokaense

M. novocastrense/M. brumae/M. phlei

M. confluentis/M. madagascariense

M. smegmatis/M. goodii

M. chelonae group

M. elephantis group

M. elephantis
M. holsaticum

Taxon identifiers
Mycobacterium confluentis	Wikidata: Q16986062 BacDive: 8422 CoL: 44W3K EoL: 971496 GBIF: 3225186 IRMNG: 10751876 ITIS: 963717 LPSN: mycobacterium-confluentis NCBI: 28047 Open Tree of Life: 304113

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