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Brevibacterium

RANK: Genus

TAXONOMY: Bacteria -> Terrabacteria group -> Actinobacteria -> Actinobacteria -> Micrococcales -> Brevibacteriaceae -> Brevibacterium

OVERVIEW:

Identified as constituent of skin microbiome. [PMC2746716] Aerobic, catalase-positive, non-acid-fast, asporogenous actinomycetes which have a rod–coccus cell cycle when grown on complex media. Usually nonmotile, but some species show motility. Both rod and coccoid forms are Gram-stain-positive, but some strains and older cultures decolorize readily. Cells are variable in length but generally are 0.6–1.0 µm in diameter; those from older cultures (3–7 d) are composed mainly or entirely of coccoid cells or coccobacilli. On transfer to a suitable fresh medium, these forms grow out to give the irregular, slender rods characteristic of exponential phase cultures. Many cells are arranged at an angle to give V-forms. Primary branching may occur but not a true mycelium. Respiratory mode of metabolism. Optimum growth temperature is 20–37°C depending on the species and strain. Grows well on peptone-yeast extract agar at neutral pH. Little or no acid is produced from glucose or other carbohydrates in a peptone medium. Proteinases produced. The cell-wall peptidoglycan contains meso-diaminopimelic acid as the diamino acid and is of the A1γ type. Contains dihydrogenated menaquinones with eight isoprene units as the predominant isoprenologue and major proportions of branched cellular fatty acids, notably C15:0 anteiso and C17:0 anteiso. Mycolic acids are absent.

DNA G+C content (mol%): 55–70.

Type species: Brevibacterium linens

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



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
  • Brevibacterium PG27
  • Brevibacterium album
  • Brevibacterium ammoniilyticum
  • Brevibacterium antarcticum
  • Brevibacterium antiquum
  • Brevibacterium aurantiacum
  • Brevibacterium aureum
  • Brevibacterium avium
  • Brevibacterium casei
  • Brevibacterium celere
  • Brevibacterium daeguense
  • Brevibacterium epidermidis
  • Brevibacterium equis
  • Brevibacterium fuscum
  • Brevibacterium helvolum
  • Brevibacterium iodinum
  • Brevibacterium jeotgali
  • Brevibacterium linens
  • Brevibacterium luteolum
  • Brevibacterium marinum
  • Brevibacterium massiliense
  • Brevibacterium mcbrellneri
  • Brevibacterium oceani
  • Brevibacterium otitidis
  • Brevibacterium paucivorans
  • Brevibacterium permense
  • Brevibacterium picturae
  • Brevibacterium pityocampae
  • Brevibacterium ravenspurgense
  • Brevibacterium salitolerans
  • Brevibacterium samyangense
  • Brevibacterium sandarakinum
  • Brevibacterium sanguinis
  • Brevibacterium senegalense
  • Brevibacterium siliguriense
  • Brevibacterium sp.
  • Brevibacterium sp. 10-1
  • Brevibacterium sp. MBTD_CMFRI_Br02
  • Brevibacterium sterolicum
  • Brevibacterium yomogidense
  • PAH-contaminated sludge bacterium PB-28
  • bacterium Osw
  • environmental samples
  • INTERACTIONS
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