Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Phage/prokaryote host ratio in gut | Human Homo sapiens | ~10 | phage/prokaryotic host cell | 113938 | Pfeiffer JK, Virgin HW.... |
| Density of prokaryotes on the skin of humans | prokaryote | ~1,000 to 10,000: in groin and underarm 1,000,000 | cells/cm^2 | 108504 | William B. Whitman,*†... |
| Rate of turnover of e. coli strains in intestine | Human Homo sapiens | 2-4 | weeks | 102540 | Hartl DL, Dykhuizen DE.... |
| Concentration of E. coli in gut | Human Homo sapiens | 1e+8 | Cells/gram gut content | 104949 | Macfarlane GT, Macfarlane S... |
| Number of Peyer’s patches in the small intestine | Human Homo sapiens | ~339 | patches/small intestine | 110511 | McConnell EL, Basit AW... |
| Time of transit of gut contents through large bowel | Human Homo sapiens | 60 (20 - 140 (range in United Kingdom)) | hours | 112837 | G. T. Macfarlane and... |
| Variation in the cell cycle time (FLM derived), in hours in different cell position groups in the large intestine | Rodent | Table - link | N/A | 110533 | Nicholas A. Wright, Malcolm... |
| Number of intestinal microbe species | Human Homo sapiens | 400 - 500 | microbial species | 117016 | Breitbart M et al., ... |
| Fraction of epithelial cells in the crypt and villus that are enterocytes | Mouse Mus musculus | in crypt ≤90%: in villus >95% | % of epithelial cells | 112182 | Fan MZ, Stoll B, Jiang R... |
| Density of bacteria in gastrointestinal tract | Human Homo sapiens | Figure - link | cfu/ml | 108289 | O'Hara AM, Shanahan F.... |
| Percent of indigenous gastrointestinal tract microflora that are obligate anaerobes | Human Homo sapiens | 99.9 | % | 105706 | Berg RD. The indigenous... |
| Examples of estimated copy numbers per cell | Human Homo sapiens | Table - link | protein copies/cell | 111218 | Wisniewski JR, Ostasiewicz P... |
| Size of exosome vesicle | Mammals | 40 to 100 | nm | 107324 | Tauro BJ, Greening DW... |
| pH values of the mouse and rat gastrointestinal tract | Rodent | Table - link | unitless | 110513 | McConnell EL, Basit AW... |
| Concentration of total anaerobic bacteria in gut | Human Homo sapiens | >1e+10 | Cells/gram gut content | 104948 | Macfarlane GT, Macfarlane S... |
| Volume of cell | Mammalian tissue culture cell | 1 | pL | 106738 | Christopher E. Sims and... |
| Enterocyte volume | Human Homo sapiens | ~1,400 | µm^3 | 111216 | Wisniewski JR, Ostasiewicz P... |
| Protein content of cell | Mammals | ~20 | % | 111217 | Wisniewski JR, Ostasiewicz P... |
| Fraction of of colitis-associated tumors in which allelic deletion of p53 was observed | Human Homo sapiens | 50-80 | % | 106629 | Ullman TA, Itzkowitz... |
| Permeability of sodium-potassium pump | Guinea Pig Cavia porcellus | 9E-09 | cm/sec | 103033 | Brading AF, Widdicombe... |