{
  "id": 9176631,
  "title": "Why did some viruses evolve to be giants while others did not?",
  "url": "https://urgent.news/2026/09/11/why-did-some-viruses-evolve-to-be-giants-while-others-did-not",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-11T07:00:00.000Z",
  "source": {
    "name": "PNAS",
    "slug": "pnas",
    "url": "https://www.pnas.org/doi/abs/10.1073/pnas.2610442123?af=R"
  },
  "original_language": "en",
  "account": null,
  "summary": "Proceedings of the National Academy of Sciences, Volume 123, Issue 38, September 2026. Viruses are ubiquitous mobile genetic elements that are obligate symbionts of cellular life forms and replicate exclusively within host cells. The current taxonomy of viruses includes 10 realms (the top rank taxon), 8 of which have small genomes in the ...",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}