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The total amount of DNA on Earth can be quantified in gigabases
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SUPPORTED
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Scientific studies report that the total DNA on Earth can be quantified in megabases, which can be equivalently expressed in gigabases, providing a lower bound estimate for the biosphere's total genetic information content.

Evidence for · 3
Counting All the DNA on Earth - The New York Times
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Counting All the DNA on Earth - The New York Times Science|Counting All the DNA on Earth https://www.nytimes.com/2015/07/21/science/counting-all-the-dna-on-earth.html Share full article Advertisement SKIP ADVERTISEMENT When scientists want to estimate global biodiversity, they typically tally the total species or organisms found around the world. In theory, there is another approach: to calculate how much DNA is contained on Earth. This would be a more fundamental way of quantifying the diversity of life, but until recently no one had tried doing it. “In the biosphere, it all comes back to DNA,” said Hanna Landenmark, a doctoral candidate in astrobiology at the University of Edinburgh in Scotland. “It’s the smallest unit of information we have, and all of that information has the potential of being connected to and interacting with everything else.” By this logic, the planet is a sort of supercomputer in which total DNA represents the system’s storage capacity, and the rate of
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An Estimate of the Total DNA in the Biosphere | PLOS Biology
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An Estimate of the Total DNA in the Biosphere | PLOS Biology ## Figures ## Abstract Modern whole-organism genome analysis, in combination with biomass estimates, allows us to estimate a lower bound on the total information content in the biosphere: 5.3 × 1031 (±3.6 × 1031) megabases (Mb) of DNA. Given conservative estimates regarding DNA transcription rates, this information content suggests biosphere processing speeds exceeding yottaNOPS values (1024 Nucleotide Operations Per Second). Although prokaryotes evolved at least 3 billion years before plants and animals, we find that the information content of prokaryotes is similar to plants and animals at the present day. This information-based approach offers a new way to quantify anthropogenic and natural processes in the biosphere and its information diversity over time. Citation: Landenmark HKE, Forgan DH, Cockell CS (2015) An Estimate of the Total DNA in the Biosphere. PLoS Biol 13(6): e1002168. https://doi.org/10.1371/journal.pbio.1002168 Published: June 11, 2015 Copyright: © 2015 Landenmark et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestric
An Estimate of the Total DNA in the Biosphere
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An Estimate of the Total DNA in the Biosphere - PubMed Clipboard, Search History, and several other advanced features are temporarily unavailable. [Skip to main page content](#article-details) ![U.S. flag](https://www.ncbi.nlm.nih.gov/coreutils/uswds/img/favicons/favicon-57.png) An official website of the United States government Here's how you know ![Dot gov](https://www.ncbi.nlm.nih.gov/coreutils/uswds/img/icon-dot-gov.svg) **The .gov means it’s official.** Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site. ![Https](https://www.ncbi.nlm.nih.gov/coreutils/uswds/img/icon-https.svg) **The site is secure.** The**https://**ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. [![NIH NLM Logo](https://www.ncbi.nlm.nih.gov/coreutils/nwds/img/logos/AgencyLogo.svg)](https://www.ncbi.nlm.nih.gov/) [Log in](https://account.ncbi.nlm.nih.gov)Show account info Close#### Account Logged in as: **username** * [Dashboard](https://pubmed.ncbi.nlm.nih.gov/myncbi/) * [Publications](https://pubmed.ncbi.nlm.nih.gov/myncbi/collections/bibl
Everything we examined (3) — 2 independent sources
This check searched the claim as stated. It did not run a separate search for evidence against it.
  1. Counting All the DNA on Earth - The New York Timesnews-webno side taken
  2. An Estimate of the Total DNA in the Biosphere | PLOS Biologyreferencesame source L2no side taken
  3. An Estimate of the Total DNA in the Biospherereferencesame source L2no side taken
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first checked01 Aug 2026
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