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Property Organism Value Units ID Details
Bacterial counts at various points after two test breakfasts Human Homo sapiens Table - link N/A 106530 Berghouse L, Hori S, Hill M...
Total bacterial and Streptococcus mutans activity per bacterial cell (RNA to DNA ratio) Human Homo sapiens Table - link N/A 106834 Gu F et al., In vivo...
Daily water balance Human Homo sapiens Table - link ml/day 111021 Lauralee Sherwood, Human...
NADH concentrations in tissues from the breast and oral cavity Human Homo sapiens Table - link N/A 108366 Uppal A, Gupta PK. M...
Number of coat protein molecules per viral particle Bacteriophage MS2 180 molecules/particle 109051 Grosjean H, Fiers W....
Average concentration of amino acids entering the colon available in free form Human Homo sapiens 100 μM 102118 Michael A. Savageau, 1983...
Usual concentration of bacteria in stomach Human Homo sapiens <1,000 cfu/ml 110219 Simon GL, Gorbach SL....
Fraction of adult weight that is microorganisms Human Homo sapiens 1 - 3 % 110478 MacDougall, Raymond (13...
Fraction of all anaerobes in the colon of healthy human adults that is M. smithii, the most common archaeon in human gut Archaea Methanobrevibacter smithii ≤10 % 107457 Lurie-Weinberger MN, Peeri M...
Fraction of gut microbiota that are Firmicutes and Bacteroidetes Human Homo sapiens >90 % 107456 Lurie-Weinberger MN, Peeri M...
Water content of hair at different relative humidities Human Homo sapiens Table - link % 116976 Robbins, Clarence R....
Fraction of microflora that are yeast strains Human Homo sapiens <0.1 % 113405 Saber A et al., Cellular...
Fraction of all bacteria isolated from the gastrointestinal tracts of rodents that is M. schaedleri Bacteria Mucispirillum schaedleri ~27 % 115618 Young KD. The selective...
Isolation of HIV from body fluids HIV Table - link N/A 102399 Levy JA. Pathogenesis...
Protein-pigment mass ratio in chlorosomes bacteria 0.5-2.2 Table - link Unitless 104563 Jorg Overmann and Ferran...
Ratio between number of microbial cells and number of animal cells in body Human Homo sapiens 10 (outdated, updated value is 1.3, see comments section) unitless 102391 Savage DC. Microbial...
Ratio between number of genes in microbiome and in human Human Homo sapiens 50-100 unitless 102388 Sears CL. A dynamic ...
Number of microbial cells, number of species and total mass in gastrointestinal tract Human Homo sapiens total population ~10^14cells: Num. of species ~500-1,000: total mass ~1.5kg N/A 112308 Rubio CA. The Natural...
Percent of daily calories supplied by microbiota Human Homo sapiens 10-15 % 109650 Xu J, Bjursell MK, Himrod J...
Number of intact bacteria in drinking water in Beijing (article published in 2016) bacteria 2200-16000 intact cells/ml 114121 Liu et al., Bacterial...