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Veillonella

RANK: Genus

TAXONOMY: Bacteria -> Terrabacteria group -> Firmicutes -> Negativicutes -> Selenomonadales -> Veillonellaceae -> Veillonella

OVERVIEW:

'Veillonella' are Gram-negative anaerobic cocci. This bacterium is well known for its lactate fermenting abilities. They are a normal bacterium in the intestines and oral mucosa of mammals. In humans they have been rarely implicated in cases of osteomyelitis and endocarditis, for example with the species Veillonella parvula.Babies with a higher risk of asthma presented lower levels of four bacteria in their feces samples in comparison with the infants who did not show any symptoms. Those bacteria were identified as Faecalibacterium, Lachnospira, Veillonella and Rothia - known all together as FLVR. [http://www.gutmicrobiotawatch.org/en/2015/11/25/four-types-of-gut-bacteria-may-protect-children-against-asthma-risk/]

Cocci, 0.3–0.5 μm in diameter; cells are usually arranged in pairs, masses, or short chains. Stains Gram negative. Nonmotile, nonsporeforming. Anaerobic. Optimum temperature, 30–37°C. Optimum pH, 6.5–8.0. Oxidase negative. Nitrate is reduced. Some species produce an atypical catalase lacking porphyrin. Gas is produced by most strains. Pyruvate, lactate, malate, fumarate, and oxaloacetate are fermented. Carbohydrates and polyols are not fermented by most strains. Major metabolic end products in trypticase-glucose-yeast extract (TGY, see below) broth are acetic and propionic acids. In addition, CO2 and H2 are produced from lactate (Rogosa, 1964). Resident of oral cavity, genito-urinary, respiratory, and intestinal tracts of humans and animals, but can also cause severe human infections such as bacteremia, endocarditis, osteomyelitis, and prosthetic joint infection.

DNA G+C content (mol%): 36–43 (Tm) or 40–44 (Bd).

Type species: Veillonella parvula

This genus contains microbial species that can reside in the human gastrointestinal tract. [PMC 4262072]



Microbial Abundance Data: Veillonella
(Percent of total population with standard deviation [PMID: 22698087])
Group 1
Group 2
Group 3
Group 4
Group 1 Avg
Buccal
Mucosa
Keratinized
Gingiva
Hard
Palate
Group 2 Avg
Throat
Throat
Tonsils
Saliva
Group 3 Avg
Supragingival
Plaque
Subgingival
Plaque
Stool
5.228 %
(4.589)
3.674 %
(3.417)
5.570 %
(6.282)
6.440 %
(4.068)
10.240 %
(5.424)
8.543 %
(4.706)
8.371 %
(5.487)
11.100 %
(4.884)
12.945 %
(6.617)
3.745 %
(4.456)
3.611 %
(3.679)
3.879 %
(5.234)
0.070 %
(0.400)
TAGS
Keystone
Core species
Type species
Pathogen
Dysbiosis associated
Flora/ commensal
Gut associated
Probiotic
Leanness
Obesity
Skin microbiome
Fecal distribution
Oral microbiome
Vaginal microbiome
Butyrate producer
Catalase producer
Histamine producer
Food fermenter
Amylolytic
Propionate producer
Nitrifying
Biofilm producer
DESCENDANTS
INTERACTIONS
KEGG PATHWAYS
  • 2-Oxocarboxylic acid metabolism
  • ABC transporters
  • Alanine, aspartate and glutamate metabolism
  • Amino sugar and nucleotide sugar metabolism
  • Aminoacyl-tRNA biosynthesis
  • Arachidonic acid metabolism
  • Arginine and proline metabolism
  • Arginine biosynthesis
  • Ascorbate and aldarate metabolism
  • Bacterial secretion system
  • Base excision repair
  • Benzoate degradation
  • Biosynthesis of amino acids
  • Biosynthesis of antibiotics
  • Biosynthesis of secondary metabolites
  • Biosynthesis of unsaturated fatty acids
  • Biotin metabolism
  • Butanoate metabolism
  • C5-Branched dibasic acid metabolism
  • Carbapenem biosynthesis
  • Carbon metabolism
  • Cationic antimicrobial peptide (CAMP) resistance
  • Citrate cycle (TCA cycle)
  • Cyanoamino acid metabolism
  • Cysteine and methionine metabolism
  • D-Alanine metabolism
  • D-Arginine and D-ornithine metabolism
  • D-Glutamine and D-glutamate metabolism
  • DNA replication
  • Degradation of aromatic compounds
  • Fatty acid biosynthesis
  • Fatty acid degradation
  • Fatty acid metabolism
  • Folate biosynthesis
  • Fructose and mannose metabolism
  • Galactose metabolism
  • Glutathione metabolism
  • Glycerolipid metabolism
  • Glycerophospholipid metabolism
  • Glycine, serine and threonine metabolism
  • Glycolysis / Gluconeogenesis
  • Glyoxylate and dicarboxylate metabolism
  • Histidine metabolism
  • Homologous recombination
  • Lipopolysaccharide biosynthesis
  • Lysine biosynthesis
  • Lysine degradation
  • Metabolic pathways
  • Methane metabolism
  • Microbial metabolism in diverse environments
  • Mismatch repair
  • Monobactam biosynthesis
  • Nicotinate and nicotinamide metabolism
  • Nitrogen metabolism
  • Nitrotoluene degradation
  • Nonribosomal peptide structures
  • Novobiocin biosynthesis
  • Nucleotide excision repair
  • One carbon pool by folate
  • Oxidative phosphorylation
  • Pantothenate and CoA biosynthesis
  • Pentose and glucuronate interconversions
  • Pentose phosphate pathway
  • Peptidoglycan biosynthesis
  • Phenylalanine metabolism
  • Phenylalanine, tyrosine and tryptophan biosynthesis
  • Phosphotransferase system (PTS)
  • Porphyrin and chlorophyll metabolism
  • Propanoate metabolism
  • Protein export
  • Purine metabolism
  • Pyrimidine metabolism
  • Pyruvate metabolism
  • RNA degradation
  • RNA polymerase
  • Riboflavin metabolism
  • Ribosome
  • Selenocompound metabolism
  • Starch and sucrose metabolism
  • Sulfur metabolism
  • Sulfur relay system
  • Taurine and hypotaurine metabolism
  • Terpenoid backbone biosynthesis
  • Thiamine metabolism
  • Tryptophan metabolism
  • Two-component system
  • Tyrosine metabolism
  • Ubiquinone and other terpenoid-quinone biosynthesis
  • Valine, leucine and isoleucine biosynthesis
  • Valine, leucine and isoleucine degradation
  • Vancomycin resistance
  • Vitamin B6 metabolism
  • beta-Alanine metabolism
  • beta-Lactam resistance

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