Legionella

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Related to Legionella species: Legionella pneumonia, Legionella pneumophila

Legionella

 [le″jun-el´ah]
a genus of gram-negative, aerobic rod-shaped bacteria, the cause of legionellosis. Species include L. micda´dei, the etiologic agent of Pittsburgh pneumonia, and L. pneumo´phila, the etiologic agent of legionnaires' disease and pontiac fever.

Legionella

(lē'jŭn-el'lă),
A genus of aerobic, motile, nonacid-fast, nonencapsulated, gram-negative bacilli (family Legionellaceae) that have a nonfermentative metabolism and require l-cysteine HCl and iron salts for growth; they dwell in water, spread in air, and are pathogenic for humans. Over 40 species have been identified; the type species is Legionella pneumophila.

Legionella

/Le·gion·el·la/ (le″jah-nel´ah) a genus of gram-negative, aerobic, rod-shaped bacteria (family Legionellaceae), normal inhabitants of lakes, streams, and moist soil; they have often been isolated from cooling-tower water, evaporative condensers, tap water, shower heads, and treated sewage. L. micda´dei is the causative agent of Pittsburgh pneumonia. L. pneumo´phila is the causative agent of legionnaires' disease.

Le·gion·el·la

(lējŏ-nelă)
A genus of aerobic, motile, non-acid-fast, nonencapsulated, gram-negative bacilli; they dwell in water and are borne by air; pathogenic for humans. The type species is L. pneumophila.

Le·gion·el·la

(lējŏ-nelă)
A genus of aerobic, motile, non-acid-fast, nonencapsulated, gram-negative bacilli; they dwell in water and are borne by air; pathogenic for humans. The type species is L. pneumophila.

Legionella

(lē´jənel´ə),
n a genus of areobic, motile, non acid-fast, nonencapsulated, gram-negative bacilli that have a nonfermentative metabolism. They are water dwelling, airborne spread, and pathogenic for man.
L. pneumophila,
n the causative agent of Legionnaires' disease.
References in periodicals archive ?
Legionella species colonization in cooling towers: risk factors and assessment of control measures.
Clinical application of a multiplex real-time PCR assay for simultaneous detection of Legionella species, Legionella pneumophila, and Legionella pneumophila serogroup 1.
Prevalence of antibodies in response to Legionella species, analysis of a healthy population from Jeollanam-do Province, Korea.
Development of a new seminested PCR method for detection of Legionella species and its application to surveillance of legionellae in hospital cooling tower water.
Comparison of Culture Methods for monitiring Legionella species in Hospital potable water systems and recomendations for standardization of such methods.
The in-vitro activity of moxifloxacin against Legionella species and the effects of medium on susceptibility test results.
It has been shown that there is an increased risk of hospital transmission if a high proportion of water sites are positive for Legionella species (particularly L.
The new test kit, which is based on immunochromatographic assay, can identify all Legionella species and Legionella pneumophila, the most prominently-expressed species in a single test.
In those patients, he would order a urinary antigen test for Legionella species, because of its virulence and because it is a public health problem, and perhaps a urinary antigen test for pneumococcus, to pick up bacteremia.
They identified 18 studies comparing a beta-lactam antibiotic with an antibiotic active against the atypical pathogens M pneumoniae, Legionella species, and C pneumoniae: macrolides, fluoroquinolones, or ketolides (eg, telithromycin [Ketek]).