Legionella

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Related to L. pneumophila: Legionella pneumophila, Legionella species

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 ?
Hierarchical Genome Assembly Process version 3 was used to construct the complete L.
The widespread use of monoclonal antibodies for routine subgrouping of L.
Food and Drug Administration reported an association between L.
Oligonucleotide primers (Integrated DNA Technologies; Coralville, Iowa, USA) were designed using L.
Dentro de las manifestaciones clinicas mas comunes, que se han observado en los pacientes que cursan con la infeccion respiratoria por L.
Clinical samples of acute phase and convalescent sera were performed to detect serum antibodies to heat-killed whole-cell antigens from L.
Netherland) were used for detection of serum IgG, IgM and IgA present in patients and controls against L.
We obtained a collection of 28 isolates from the 79 samples and identified all of them as L.
In 2007, a similar pseudo-outbreak occurred among 13 patients whose bronchoalveolar lavage specimens were contaminated with L.
We analyzed allelic differences of 1,521 gene targets of the core genome of L.
Data suggesting that use of humidifiers may be associated with risk of LD have been limited to case reports 6,9) and a study in which subclinical infection occurred in laboratory animals exposed to aerosols from a humidifier contaminated with L.