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. 2015 Jun 11;13(6):e1002168. doi: 10.1371/journal.pbio.1002168

Table 1. The total DNA content in the biosphere.

DNA amount (Mb)
Prokaryotes 1.6 (1.1) × 1031
Unicellular eukaryotes 1.3 (0.9) × 1029
Fungi 1.7 (3.4) × 1027
Animals 4.2 (1.5) × 1029
Plants 3.6 (3.4) × 1031
Viruses 4.0 (3.4) × 1029
Total 5.3 (3.6) × 10 31