Veillonella


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Veillonella

(vā'yō-nel'ă),
A genus of nonmotile, nonsporeforming, anaerobic bacteria (family Veillonellaceae) containing small (0.3-0.5 mcm in diameter), gram-negative cocci which occur as diplococci short chains and in masses. Carbon dioxide is required for growth, and carbohydrates are not fermented. These organisms are parasitic in the mouth and the intestinal and respiratory tracts of humans and other animals; they produce serologically specific endotoxins (lipopolysaccharides) that induce pyrogenicity and the Schwartzman phenomenon in rabbits; in humans, they have been associated with human bite infections and as a component of polymicrobial abscesses. The type species is Veillonella parvula.
[Adrien Veillon, French bacteriologist, 1864-1931]

Veillonella

/Veil·lon·el·la/ (va″yon-el´ah) a genus of gram-negative bacteria (family Veillonellaceae), found as nonpathogenic parasites in the mouth, intestines, and urogenital and respiratory tracts of humans and other animals.

Veillonella

[vā′yənel′ə]
Etymology: Adrien Veillon, French bacteriologist, 1864-1931
a genus of gram-negative anaerobic bacteria. The species Veillonella parvula is normally present in the alimentary tract, especially in the mouth. This infection is often mistaken for more serious gonococcal infection.

Veil·lo·nel·la

(vā'yō-nel'ă)
A genus of nonmotile, non-spore-forming, anaerobic bacteria containing small gram-negative cocci that occur as diplococci and in masses. These organisms are parasitic in the mouth and in the intestinal and respiratory tracts of humans and other animals.
[Adrien Veillon, French bacteriologist, 1864-1931]

Veillon,

Adrien, French bacteriologist, 1864-1931.
Veillonella - a genus of nonmotile, non--spore-forming, anaerobic bacteria.
subsp.Veillonella alcalescensalcalescens - a bacterial subspecies found primarily in the mouths of humans but occasionally in the buccal cavity of rabbits and rats.
subsp.Veillonella alcalescensdispar - a subspecies found in the mouths and respiratory tracts of humans.
Veillonella atypica - Synonym(s): Veillonella parvula subsp. atypica
Veillonella parvula - a bacterial species found normally as a harmless parasite in the natural cavities, especially the mouths and digestive tracts of humans and other animals.
subsp.Veillonella parvulaatypia - a bacterial subspecies found in the buccal cavity of rats and humans. Synonym(s): Veillonella atypica
subsp.Veillonella parvulaparvula - a bacterial subspecies found in the mouth, or intestinal or respiratory tract of humans.
subsp.Veillonella parvularodentium - a bacterial subspecies found in the buccal cavity and intestinal tract of hamsters, rats, and rabbits. Synonym(s): Veillonella rodentium
Veillonella rodentium - Synonym(s): Veillonella parvula subsp. rodentium
Veillonellaceae - a family of nonmotile, non--spore-forming, anaerobic bacteria containing gram-negative cocci.

Veillonella

small, gram-negative anaerobic cocci that are part of the normal microflora in the mouth, intestine, respiratory system of animals.
References in periodicals archive ?
Subsequent partial 16S ribosomal RNA (rRNA) gene sequencing identified a Veillonella sp.
Interestingly, anaerobes were found in a majority of samples, the most common being Veillonella and Prevotella, in agreement with published data (4, 35, 37-40).
sanguinis DSM 20068 Veillonella parvula ATCC 17745 Table 4: Design of the specific primers and probes.
9] described the first report of a monomicrobial prosthetic joint infection caused by Veillonella dispar in a prosthetic knee in 2001.
5) La bacteria Streptococcus mutans es una de las especies tradicionalmente responsables del inicio de las lesiones, junto a otras especies productoras de acidos, como Streptococcus sobrinus, Veillonella y Lactobacillus spp.
Selenomonas ruminantium, Veillonella parvula, Wolinella succinogenes, Campylobacter fetus, and Mannheimia succiniciproducens (Lewis, 1951; Lin et al.
1 2 0 Fusobacterium necrophorum 1 1 0 Gemella morbillorum 0 1 0 Veillonella spp.
Teniendo en cuenta los resultados de los estudios previos, Casarin y colaboradores (38) compararon la microbiota subgingival de los pacientes diabeticos y no diabeticos con periodontitis en una poblacion brasilera y encontraron diferencias significativas entre los grupos, donde los generos Aggregatibacter, Neisseria, Gemella, Eikenella, Selenomonas, Actinomyces, Capnocytophaga, Fusobacterium, Veillonella y Streptococcus fueron mas frecuentes en los pacientes diabeticos mientras que hubo bajos porcentajes de los generos Porphyromonas, Filifactor, Eubacterium, Synergistetes, Tannerella y Treponema.
In general, the oral microbiome is diverse, and oral wash samples (surrogates for the oral flora) from 20 healthy subjects analyzed using high-throughput methods revealed the presence of 5 major phyla (Firmicutes, Proteobacteria, Bacteroidetes, Actinobacteria, and Fusobacteria) and that Streptococcus, Veillonella, Leptotrichia, Prevotella, and Haemophilus genera were the most abundant.
Some Lactobacillus and Veillonella species are potentially protective against diarrhea or serve as markers of healthy gut microbiota (11-13).
Group 2 (saliva, tongue, tonsils, and posterior pharyngeal wall) demonstrated a decreased relative abundance of Firmicutes compared to Group 1 replaced by increased levels of four phyla: Bacteroidetes, Fusobacteria, Actinobacteria and the candidate phylum TM7, and with a predominance of Streptococcus (approximately 20%), followed by approximately equal abundance of the genera Veillonella, Prevotella, Neisseria, Fusobacterium, Actinomyces and Leptotrichia
Dependiendo de la via de acceso asi tambien pueden variar los organismos encontrados; en los casos asociados a trauma, los organismo predominantes seran: Staphylococcus, Enterobacter y Clostridium (2); por el contrario su provienen de un foco infeccioso abdominal los mas comunes son Streptococcus anaerobios y Bacteroides spp (aerobios y anaerobios) incluyendo: Bacteroides fragilis, Prevotella melaninogenica, Propionilbacterium, Fusobacterium, Eubacterium, Veillonella y Actinomyces spp (12).