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Methylococcales

RANK: Order

TAXONOMY: cellular organisms -> Bacteria -> Proteobacteria -> Gammaproteobacteria -> Methylococcales

OVERVIEW:

Cells appear as cocci or rods, 0.8–1.5 × 1.0–1.5 µm. Usually occur singly or in pairs. Form a polysaccharide-containing cyst-like resting stage that is desiccation sensitive. Poly-β-hydroxybutyrate granules present. Gram negative. If motile, cells are propelled by single polar flagellum. Catalase and oxidase positive. Strictly aerobic respiratory metabolism with oxygen as the electron acceptor. Obligate utilizers of methane and methanol for carbon and energy. Contain a partially functional Benson–Calvin cycle (phosphoribulokinase and ribulose-1,5-diphosphate carboxylase activity present); however, incorporation of CO2 for cellular carbon occurs only in the presence of methane. Fix atmospheric nitrogen via an oxygen-sensitive nitrogenase. Thermotolerant or moderately thermophilic with optimal growth between 40–60°C. Major fatty acids include C16:0 and C16:1 ω7c. 18-Methyleneubiquinone-8 (MQ-8) is the predominant lipoquinone. Isolated from sediments of freshwater lakes and rivers, wetland muds, activated sludge, and wastewater. Belongs to the Gammaproteobacteria as part of the Order Methylococcales, Family Methylococcaceae.

The mol % G + C of the DNA is: 59–65 (Tm).

Type species: Methylococcus capsulatus



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
DESCENDANTS
INTERACTIONS
KEGG PATHWAYS

CLUSTERS WITH
METABOLOMICS       
NUTRIENTS/ SUBSTRATES
  • Methane
  • Methanol

  • ENDPRODUCTS
    ANTIBIOTIC RESISTANCE   
    BIOFILM FORMERS   
    COGEM PATHOGENICITY   

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