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Property Organism Value Units ID Details
Stool weight and transit time in 220 healthy adults in the United Kingdom Human Homo sapiens Table - link N/A 112359 Cummings JH, Bingham SA...
Number of bacteria in the human intestinal tract Human Homo sapiens ≤1E+14 bacteria/intestinal tract 110957 Suau A et al., Direct...
Fraction of 16S rDNAs molecular species that correspond to known organisms in fecal sample Human Homo sapiens 24 % 110959 Suau A et al., Direct...
Generation time in mouse large intestine Bacteria Escherichia coli 40-80 min 105657 Peekhaus N, Conway T....
Number of fungal genera detected in every faecal sample from apparently healthy individuals Human Homo sapiens >50 fungal genera 113941 Stappenbeck TS, Virgin...
Concentration of methanogens in the human gastrointestinal tract Archaea 1e+10 methanogens/gram of stool sample 106261 Cavicchioli R, Curmi PM...
Concentrations of different microorganisms in human fecal material bacteria Table - link Viable counts × 10^3/gram wet weight 108512 J. van Houte, R. J. Gibbons...
Fraction of bacteria out of faecal solids in persons living on Western diets Human Homo sapiens ~55 (equivalent to 18 g of bacterial dry matter) % 112838 G. T. Macfarlane and...
Ratio of anaerobic/aerobic bacteria in faeces Human Homo sapiens 1000 anaerobes/aerobes 112842 A. Lidbeck and C. E. Nord...
Values of bacteria density in stool as reported in several past articles Human Homo sapiens Table - link N/A 112983 Sender R, Fuchs S, Milo...
Detailed calculations for number of cells in body-Spreadsheets with the detailed calculations mentioned throughout the text and references for all data sources Human Homo sapiens Excel table - link N/A 113009 Sender R, Fuchs S, Milo...
Fraction of total human microflora that have not been cultivated Human Homo sapiens 60 - 80 % 110958 Suau A et al., Direct...
Percent of microbiota that belong to the phyla Bacteroidetes or Firmicutes Human Homo sapiens > 99 % 109671 Rawls, J. F., Mahowald...
Number of intestinal microbe species Human Homo sapiens 400 - 500 microbial species 117016 Breitbart M et al., ...
Number of species out of 400 to 500 human intestinal microbial species that account for 99% of the total population Human Homo sapiens 30 - 40 species 117017 Breitbart M et al., ...
Escherichia coli bacteriophage concentration in gut Mammals human 10^3 - 10^4: cows and pigs ≤10^7 phages/gram feces 117014 Fortier LC, Sekulovic...
Concentration of total anaerobic bacteria in gut Human Homo sapiens >1e+10 Cells/gram gut content 104948 Macfarlane GT, Macfarlane S...
Concentration of E. coli in gut Human Homo sapiens 1e+8 Cells/gram gut content 104949 Macfarlane GT, Macfarlane S...
Stool weight and bowel cancer incidence in various populations Human Homo sapiens Table - link N/A 112360 Cummings JH, Bingham SA...
Colonic transit time Human Homo sapiens ~25-40 hours 112986 Sender R, Fuchs S, Milo...