Mycobacterium leprae

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My·co·bac·te·ri·um lep·'rae

a bacterial species that causes Hansen disease (leprosy); an obligatory intracellular mycobacterium that has not been propagated in the laboratory but will survive in the nine-banded armadillo (Dasypus novemcinctus).

Mycobacterium leprae

a species of bacteria that causes leprosy. It has not yet been cultivated in vitro. Organisms are isolated from suspect lesions as acid-fast bacilli, typically in intracellular clumps or in groups of bacilli side by side.

Mycobacterium leprae

The aerobic intracellular, pleomorphic, acid-fast mycobacterium that causes leprosy.
Clinical findings; culture in mouse foot pads or in armadillos.

Multidrug regimen with dapsone, rifampicin and clofazimine.

Mycobacterium leprae

Infectious disease The mycobacterium that causes leprosy. See Leprosy.

My·co·bac·te·ri·um lep·rae

(mī'kō-bak-tēr'ē-ŭm lep'rē)
A bacterial species that causes leprosy.
Synonym(s): Hansen bacillus.


the only genus in the family Mycobacteriaceae of bacteria; slender acid-fast rods which may be straight or slightly curved. They may produce filaments or cocci. The most serious disease caused by members of this genus is tuberculosis. M. fortuitum, M. chelonea, M. marinum are listed as causes of piscine tuberculosis. Other species, including M. aquae, M. kansasii and M. scrofulaceum, may occasionally cause disease in a number of different species.

Mycobacterium avium
found mostly in birds but occasionally also in other animals and in humans. The tubercle bacillus of birds, it causes avian tuberculosis.
Mycobacterium avium subsp. paratuberculosis
causes Johne's disease in cattle, sheep, goats, deer and camelids. Previously called M. johnei and M. paratuberculosis.
Mycobacterium avium-intracellulare
complex see M. intracellulare (below).
Mycobacterium bovis
the tubercle bacillus of the bovine, it causes tuberculosis in many animal species and humans.
Mycobacterium chelonei, Mycobacterium fortuitum, Mycobacterium phlei, Mycobacterium smegmatis, Mycobacterium thermoresistible
cause disease in a number of animal species, including mastitis in cattle and cutaneous mycobacterial granuloma in cats and dogs. See also opportunist (atypical) mycobacteria.
Mycobacterium farcinogenes, Mycobacterium senegalense
associated with bovine farcy.
Mycobacterium genovense
causes mycobacteriosis in birds.
Mycobacterium intracellulare
found in tuberculin-positive cattle and causes limited lymph node lesions in pigs. Closely related to M. avium and also described as M. avium-intracellulare complex.
Mycobacterium johnei
see M. avium subsp. paratuberculosis (above).
Mycobacterium kansasii
causes tuberculosis-like disease in pigs, deer and cattle.
Mycobacterium leprae
the cause of leprosy in humans.
Mycobacterium lepraemurium
causes murine and feline leprosy.
Mycobacterium marinum
found in water, it causes tuberculosis in fish and skin ulcers in humans.
Mycobacterium microti
the vole bacillus; lesions sometimes occur in other species.
Mycobacterium paratuberculosis
previously called M. johnei. See M. avium subsp. paratuberculosis (above).
Mycobacterium tuberculosis
the tubercle bacillus of humans, but found also in monkeys and pigs, and rarely in cattle, dogs and parrots.
Mycobacterium ulcerans
causes skin ulcers in humans and cats.
Mycobacterium xenopi
causes mycobacterial granuloma in cats and lymph node lesions in pigs.
References in periodicals archive ?
Most HD patients in Louisiana, Texas, and Florida who had not traveled outside the United States were infected with the M.
Of the 55 patients, four (40%) of the 10 TT, six (55%) of the 11 BT, 23 (85%) of 27 BL and all the seven (100%) LL cases were positive for M.
This DNA chip was used to screen the loci showing variability in two M.
Otros investigadores han identificado diferentes clones de expresion que contienen inserto el DNA del M.
Ademas, ha sido descrita una es-tructura unica polimorfica del genpola y de 3 a 4 copias repetidas de GA-CATC en el gen rpoT pero su valor para identificar genotipos de M.
La base de la PQT es la rifampicina, ya que es el componente con mayor actividad bactericida, incluso mayor que la de nuevos antimicrobianos empleados especificamente contra M.
Por el contrario, el paciente con LL presenta una profunda anergia frente a los antigenos de M.
A total of 185 consenting new leprosy cases were enrolled in the study, and were tested using M.
In an ecologic cohort study, we surveyed armadillos and patients in the southeastern United States for M.
This animal model is valuable because when inoculated with M.
Analysis of expression of hypothetically virulence-associated genes of M.