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Actinobacteria

RANK: Phylum

TAXONOMY: cellular organisms -> Bacteria -> Terrabacteria group -> Actinobacteria

OVERVIEW:

'Actinobacteria' is a phylum of Gram-positive bacteria with high guanine and cytosine content in their DNA. The G+C content of Actinobacteria can be as high as 70%, though some may have a low G+C content. They can be terrestrial or aquatic. Although understood primarily as soil bacteria, they might be more abundant in freshwaters. Actinobacteria is one of the dominant bacterial phyla and contains one of the largest of bacterial genera, Streptomyces.C.Michael Hogan. 2010. [http://www.eoearth.org/article/Bacteria?topic=49480 Bacteria. Encyclopedia of Earth. eds. Sidney Draggan and C.J.Cleveland, National Council for Science and the Environment, Washington DC] Analysis of glutamine synthetase sequence has been suggested for phylogenetic analysis of Actinobacteria. Although some of the largest and most complex bacterial cells belong to the Actinobacteria, the group of marine Actinomarinales has been described as possessing the smallest free-living prokaryotic cells. Antibiotic exposure was associated with an increase in fecal Proteobacteria and a decrease in Actinobacteria and particularly Bifidobacterium species at four weeks of age as compared to non-exposed neonates. [PMID: 25444008] Actinobacteria genomes contained a BioY biotin transporter, indicating a need for biotin. [PMC: 4403557]



Microbial Abundance Data: Actinobacteria
(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
4.619 %
(5.203)
5.335 %
(6.168)
1.192 %
(2.966)
7.329 %
(6.475)
7.260 %
(5.825)
7.871 %
(6.548)
5.863 %
(5.300)
10.877 %
(7.665)
4.428 %
(3.789)
23.693 %
(13.757)
27.186 %
(14.066)
20.200 %
(13.447)
0.507 %
(2.819)
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

ENDPRODUCTS

INHIBITED BY
  • High fat diet

  • ENHANCED BY
  • Biotin
  • Low FODMAP diet
  • Polymannuronic acid

  • BIOTRANSFORMS

    BIOTRANFORM
    ANTIBIOTIC RESISTANCE   
    BIOFILM FORMERS   
    COGEM PATHOGENICITY   

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