Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Average ratio between numbers of cytoplasmic and nuclear mRNAs per cell in MIN6 cells | Mouse Mus musculus | 3.8 (±0.05) | unitless | 112416 | Bahar Halpern K et al.... |
| pH in the duodenum and jejunum of neonatal rats | Rat Rattus norvegicus | 6.0 - 6.5 | unitless | 117061 | Saji F, Samejima Y, Kamiura S... |
| 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... |
| Fraction of all cells that are peptide- or polypeptide-producing enteroendocrine cells | Mouse Mus musculus | in stomach body ~7: in pyloric antrum 3: in small intestine crypt-villus cells ~0.5: in colon ~0.4 | % | 112583 | Karam SM, Lineage commitment... |
| Number of species in microbiome | Human Homo sapiens | 500-1000 | unitless | 102387 | Sears CL. A dynamic ... |
| Ratio between number of genes in microbiome and in human | Human Homo sapiens | 50-100 | unitless | 102388 | Sears CL. A dynamic ... |
| Passage of digesta through the stomach and small bowel | Human Homo sapiens | ~4 - 6 | hours | 112836 | G. T. Macfarlane and... |
| Number of bacterial species in colon | Mammals | >400 | species | 112893 | Macpherson AJ, Harris... |
| Estimated origin of the enzyme lysozyme, encoded by the LYZ gene | Unspecified | 400 - 600 | million years ago | 112309 | Rubio CA. The Natural... |
| Number of bacteria across the whole body of the "reference man" | Human Homo sapiens | 3.8e+13 | bacteria/human | 113000 | Sender R, Fuchs S, Milo... |
| Overall mass of bacteria in the body | Human Homo sapiens | ~0.2 (~0.3% of overall body weight) | kg | 113003 | Sender R, Fuchs S, Milo... |
| Population structure of the uncultured fecal viral community as determined by mathematical modeling | Human Homo sapiens | Table - link | N/A | 117018 | Breitbart M et al., ... |
| Estimated fate of ingested polyphenols | Human Homo sapiens | absorbed in small intestine 5-10%: intensively degraded by microbiota in colon 90-95% | % | 112856 | Dueñas M et al., Studies... |
| Estimated number of viral particles in feces | Human Homo sapiens | ≥1E+9 | virus-like particles/gram | 110707 | Minot S, Bryson A, Chehoud C... |
| Number of bacteria in the human intestinal tract | Human Homo sapiens | ≤1E+14 | bacteria/intestinal tract | 110957 | Suau A et al., Direct... |
| Distribution and composition of bacterial species in the gastrointestinal tract | Human Homo sapiens | Figure link - link | CFU/mL | 112858 | Dueñas M et al., Studies... |
| Particle size of the food emptied through the pylorus during the fed state | Human Homo sapiens | <1 to 2 | mm | 109068 | Kong F, Singh RP. Di... |
| Number of bacteria in colon content | Human Homo sapiens | 1e+11 | cells/gram | 102535 | Hartl DL, Dykhuizen DE.... |
| Number of e. coli in colon content | Various | 1e+6 | cells/gram | 102536 | Hartl DL, Dykhuizen DE.... |
| Concentration of cells grown on gluconate 0.69mM in minimal medium | Bacteria Escherichia coli | 1.5e+8 | cells/ml | 105658 | Peekhaus N, Conway T.... |