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Property Organism Value Units ID Details
Genome size (smallest eukaryotic nuclear genome) Microsporidian Encephalitozoon intestinalis 2.3 (Table - link) Mbp 110288 Corradi N, Pombert JF...
Composition of rumen microbiome Cow Bos Taurus prokaryotes 454: protozoa 12: fungi 46 species 117086 Wallace RJ et al., A...
Genome size (one of the smallest eukaryotic nuclear genomes) Microsporidian Encephalitozoon cuniculi 2.9 Mbp 105426 Peyretaillade E, Biderre C...
Comparison of yield and methodologies employed in the native producers of coenzyme Q10 Microbes Table - link mg/gDCW 113504 Lee SQ, Tan TS, Kawamukai M...
Effects of the diet on the rumen fermentation, absolute abundance, and alpha diversity of the main microbial groups in sheep Sheep Ovis aries Table - link N/A 117088 Belanche et al., A M...
Fraction of total gene sequences that are shared with other organism groups Mouse Mus musculus prokaryotes 23%: non-animal eukaryotes (protists, fungi, and plants) 29%: nonchordate animals 27 % 117010 Gerhart J, Kirschner...
Fraction of earth's surface covered by cold ecosystems (Arctic & Antarctica, non-polar cryosphere, and deep oceans) Biosphere 70 % 114093 Marcelo Baeza, Jennifer...
Cell volumes, (total mRNA when available) and total proteins per cell Various Table - link N/A 112160 Michael Lynch and Georgi...
Lectin molecular mass Mushroom Lentinus edodes 37-43 kDa 104343 Tsivileva OM, Nikitina VE...
Average genome size (for viruses 0.039518 Mb, see comments section) Various prokaryotes 3.2147 plants 5,958 animals 4,456 algae 855.59 unicellular eukaryotes 59.529 fungi 31.87 Mb 111596 Landenmark HK, Forgan DH...
Relative number and biomass of microbial species at 0–6 inches (0–15 cm) depth of soil Various Table - link N/A 106622 James J. Hoorman & Rafiq...
Number of species of known living organisms Biosphere Table - link N/A 105404 J.J.R. Fraústo da Silva...
Currently (as of 2011) catalogued and predicted total number of species on Earth and in the ocean Biosphere Table - link species 109317 Mora C, Tittensor DP...
Diameter of smallest bacteria - mycoplasma Bacteria Mycoplasma 0.2-0.4 µm 104717 Zhao H, Dreses-Werringloer U...
Fraction of genome that is repeated sequences Plants 12 Chlorella variabilis: 20 to 30 Arabidopsis: >90 Wheat % 105986 Eckardt NA. The Chlorella...
Transcription factor content in the genome bacteria 4.39 (Table - link) % 109280 Charoensawan V, Wilson D...
Percent of axoplasm that is protein Eukaryotes ~2 % 108996 Fulton AB. How crowded...
Genome sizes and number of genes for plants for which the sequence is available (circa March 2007) Plants Table - link N/A 101525 Bowman JL, Floyd SK,...
Comparison of the chemoreceptor superfamilies of various insects Various Table - link N/A 102678 Tribolium Genome Sequencing...
Estimates of the biosphere's oceanic fish biomass Fish <40 Table - link Mt C 109627 Vaclav Smil, The Earth's...