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Property Organism Value Units ID Details
Number of coding DNA sequences Archaea Nanoarchaeum equitans 552 unitless 105502 Waters E et al., The...
Genome size-smallest parasitic archaeal genome Archaea Nanoarchaeum equitans 4.91e+5 bp 105503 Waters E et al., The...
Diameter of cell Archaea Nanoarchaeum equitans ~400 nm 107655 Huber H, Hohn MJ, Rachel R...
Dimensions of hami (singular hamus, archaeal cell surface appendage) Archaea length 1µm - 3µm: diameter 7nm - 8nm N/A 116400 Ng SY, Zolghadr B, Driessen...
Genome size Mycoplasma Mesoplasma florum 7.93e+5 bp 100296 http://cmr.tigr.org/...
Number of archaea species catalogued in a central database as of 2011 and number of predicted species on Earth Archaea Catalogued 502 Predicted 455 Table - link species 109322 Mora C, Tittensor DP...
Motility speed of archaea Halobacterium halobium Archaea Halobacterium halobium 2.94 (±0.34) µm/sec 111147 Marwan W, Alam M, Oesterhelt...
Cell diameter in culture (largest reported archaea) Archaea Staphylothermus marinus ≤15 μm 110070 Schulz HN, Jorgensen...
Size of disk-shaped cells (smallest reported archaea) Archaea Thermodiscus spp. diameter ≥0.2μm: disk-thickness 0.1–0.2μm μm 110071 Schulz HN, Jorgensen...
Genome of an endosymbiont bacteria Carsonella ruddii 159662 bp 100622 Atsushi Nakabachi et al....
Prokaryotes with completely sequenced genomes and their optimal growth temperatures prokaryote Table - link °C 107074 Berezovsky IN, Zeldovich KB...
rRNA database of bacteria and archaea prokaryote Data base - link N/A 104390 Stoddard SF, Smith BJ...
Reaction and standard changes in free energies for methanogenesis Archaea Table - link N/A 104555 Garcia JL, Patel BK,...
Free energies and typical organisms of methanogenesis reactions Archaea Table - link N/A 104548 Liu Y, Whitman WB. Metabolic...
Characteristics of the genome Tree Norway Spruce Picea abies Table - link N/A 113649 Nystedt B et al., The...
Estimated lowest theoretical size (diameter of sphere) for a free-living prokaryotic cell prokaryote 250 - 300 nm 115571 Young KD. The selective...
Smallest and largest known genomes Birds black-chinned hummingbird (Archilochus alexanderi) 0.91: common ostrich (Struthio camelus) ~1.3 Gb 117104 Zhang G et al., Comparative...
Number of archaeal cells estimated to be in the oceans (approximately one third the number of bacterial cells) Archaea 1.3E+28 Unitless 106262 Cavicchioli R, Curmi PM...
Archaeal species, selected features, and genome copy numbers in exponential and stationary growth phases Archaea Table - link N/A 106687 Hildenbrand C, Stock T...
Concentration of methanogens in the human gastrointestinal tract Archaea 1e+10 methanogens/gram of stool sample 106261 Cavicchioli R, Curmi PM...