Table 1.
Variation of the macromolecular composition, P, and N contents of the unicellular organisms in the studies
| Organism | Ref. | Number of growth conditions, and temperature (°C) | SGR | mRNA (fg) c | m Pr (fg) | R RNA:Pr | P (fg) | N (fg) | R P:N |
| Escherichia coli | [11] | 5 (37) | 0.42–1.73 | 20–212 | 100–450 | 0.2–0.47 | 1.6–16.9 | 20.2–109.1 | 0.08–0.15 |
| Streptomyces coelicolor | [11] | 7 (30) | 0.024–0.3 | 30.9–85.7 | 144–170 | 0.21–0.5 | 2.5–6.9 | 29.4–42.1 | 0.08–0.16 |
| Mycobacterium bovis | [11] | 1 (37) | 0.029 | 13.2 | 153 | 0.09 | 1.1 | 28.3 | 0.04 |
| Selenomonas ruminantium | [12] | 3 (39) | 0.05–0.35 | 53.9–87.2b | 300–4232 | 0.18–0.21 | 4.3–7.0b | 51.6–72.8b | 0.072–0.081 |
| Saccharomyces cerevisiae (1) Strain FL521d | [13] | 6 (30) | 0.04–0.59 | 600–1400 | 1900–3040 | 0.2–0.47 | 48–112 | 417–730 | 0.12–0.15 |
| Saccharomyces cerevisiae (2) Strain A364A | [14] | 8 (30) | 0.085–0.43 | 490–510 | 2100–3500 | 0.15–0.23 | 39–41 | 435–680 | 0.06–0.09 |
| Neurospora crassa | [15] | 8 (30) | 0.09–0.63 | 15–62.8a | 132–145a | 0.11–0.43 | 5–1.2a | 25–34.4a | 0.05–0.15 |
| Prototheca zopfii | [16] | 12 (25) | 0.086–0.223 | 2200–15610 | 10000–55000 | 0.22–0.28 | 176–1249 | 2050–11802 | 0.09–0.13 |
| All organisms | 0.029–1.73 | 13.2–15610 | 100–55000 | 0.1–0.5 | 1.1–1249 | 20.2–11802 | 0.04–0.16 | ||
| Change by a factor of: | 60 | 1183 | 550 | 5 | 1135 | 584 | 4 |
aExpressed as w/w.
bExpressed as mg per ml.
c1 fg = 10-15g.
dFL521 strain of S.cerevisiae carries a mutation and cannot synthesis pyrimidine endogenously, therefore the nucleotides were provided in the growth media.