Mycobacterium bohemicum

Species of bacterium

Mycobacterium bohemicum
Scientific classification Edit this classification
Domain: Bacteria
Phylum: Actinomycetota
Class: Actinomycetia
Order: Mycobacteriales
Family: Mycobacteriaceae
Genus: Mycobacterium
Species:
M. bohemicum
Binomial name
Mycobacterium bohemicum
Reischl et al. 1998, CIP 105808

Mycobacterium bohemicum 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.

Mycobacterium bohemicum is a nontuberculous bacterium that has been isolated from human tissue, animals, and the environment. M. bohemicum affects soft tissue in animal cells.[1] Mycobacterium bohemicum was identified in 1998 when isolated from sputum that was produced by a 53-year-old Down's Syndrome patient with tuberculosis[2] M. bohemicum has been reported and documented in 9 patients worldwide.[3] Reports of the bacterium have been recorded from Finland and Austria. In children, M. bohemicum has induced laterocervical and submandibular lymphadenitis.[4] The excision of the subject's lymph nodes along with antimicrobial therapy increased the health of the subjects in less than 12 months.[1]

The lymph nodes of the subjects were minced and stained according to the Ziehl–Neelsen technique.[5] Within 12–17 days a culture was produced that could be analyzed on a molecular level "Richter". M. bohemicum contains combinations of α-, keto-, metoxy-, and dicarboxy-mycolates that are not commonly found in slow-growing bacteria [3]. Other distinct characteristics of M. bohemicum is identifiable by its unique 16S rDNA nucleotide sequence as well as its variation in the ITS sequence region of 16S-23S.[6]

Phenotypic Features

  • Sensitive to compounds such as prothionamide, cycloserine, clarithromycin, gentamicin, amikacin.[1]
  • Resistant to compounds such as isoniazid, streptomycin, ethambutol, rifampin, and ciprofloaxin.[1]
  • Optimum temperature is around 37 degrees Celsius.[1]
  • Enzymatic activity- weak positive test for urease.[1]

Genotypic Features

  • To identify M. bohemicum, its resulting sequence was isolated and compared to the international database.[2]
  • M. bohemicum has been phenotypically misidentified as M. scrofulaceum, however on the molecular level, the genetic makeup distinguishes the two starins of bacteria.[7]
  • Increased cases may surface as a result of improvement microbiological diagnostic analysis.[1]

Type strain: strain CIP 105808 = CIP 105811 = DSM 44277 = JCM 12402

References

  1. ^ a b c d e f g Huber, J.; E.Richter; L. Binder (July 2008). "Table. Characteristics of 4 children with cervical lymphadenitis caused by Mycobacterium bohemicum, Austria, 2002–2006". Emerging Infectious Diseases. 14 (7): 1158–1159. doi:10.3201/eid1407.080142. PMC 2600326. PMID 18598648.
  2. ^ a b Reischl, U.; Emler S; Horak Z; Kaustova J; Kroppenstedt R M; Lehn N; Naumann L. (1998). "Mycobacterium bohemicum sp. nov., a new slow-growing scotochromogenic mycobacterium". Int J Syst Bacteriol. 48 (4): 1349–1355. doi:10.1099/00207713-48-4-1349. PMID 9828436.
  3. ^ Tortoli, E.; Kirschner P; Springer B; Bartoloni A; Burrini C; Mantella A (1997). "Cervical lymphadenitis due to an unusual mycobacterium". Eur J Clin Microbiol Infect Dis. 16 (4): 308–311. doi:10.1007/bf01695636. PMID 9177965. S2CID 40823785.
  4. ^ Schulzke, S.; Adler H; Bar G; Heininger U; Hammer J. (2004). "Mycobacterium bohemicum—a cause of paediatric cervical lymphadenitis". Swiss Med Wkly. 134 (15–16): 221–2. PMID 15190440.
  5. ^ Richter, E.; Niemann S; Rüsch-Gerdes S; Hoffner S (1999). "Identification of Mycobacterium kansasii by using a DNA probe (AccuProbe) and molecular techniques". J Clin Microbiol. 37 (4): 964–970. doi:10.1128/JCM.37.4.964-970.1999. PMC 88633. PMID 10074510.
  6. ^ Torkko, P; Suutari M; Suomalainen S; Paulin L; Larsson L; Katila M-L. (1998). "Separation among species of Mycobacterium terrae complex by lipid analyses: comparison with biochemical tests and 16S rRNA sequencing". J Clin Microbiol. 36 (2): 499–505. doi:10.1128/JCM.36.2.499-505.1998. PMC 104567. PMID 9466766.
  7. ^ Patel, JB; Leonard DG; Pan X; Musser JM (2000). "Sequence-based identification of Mycobacterium species using the MicroSeq 500 16S rDNA bacterial identification system". J Clin Microbiol. 38 (1): 246–251. PMC 88703. PMID 10618095.

External links

  • Type strain of Mycobacterium bohemicum at BacDive - the Bacterial Diversity Metadatabase
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Mycobacteria (including Nontuberculous)
Slowly growing
(R1P=photochromogenic;
R2S=scotochromogenic;
R3N=nonchromogenic)
Long helix 18
(TKHGC)
M. tuberculosis group
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. gordonae group
M. conspicuum group
Long helix 18
(other)
M. xenopi group
M. celatum group
M. hiberniae group
Short helix 18
M. simiae clade
M. intermedium group
Ungrouped
Rapidly growing/
Runyon IV
M. neoaurum group
F/T groups
M. fortuitum group
M. vaccae group
M. smegmatis group
M. chelonae group
M. elephantis group
Taxon identifiers
Mycobacterium bohemicum