{
  "id": 12202948,
  "title": "Defining the spectrum of cellular protection against cadmium stress by Dsup expressed in yeast",
  "url": "https://urgent.news/2026/10/03/defining-the-spectrum-of-cellular-protection-against-cadmium-stress",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-03T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.09.28.755128v1?rss=1"
  },
  "original_language": "en",
  "account": "The tardigrade protein Dsup has been found to provide protection to cells and organisms from various stressors, including radiation and oxidative stress. In a lab study, researchers discovered that Dsup expression in yeast comes with a fitness cost but enhances survival under numerous stressors, such as the heavy metal cadmium. Although Dsup's protective effect against oxidative stress and radiation is well-known, the mechanism behind its defense against other stressors is not fully understood.\n\nTo investigate this, the team screened a collection of 4,000 yeast deletion mutants expressing Dsup in the presence of three different doses of cadmium. The results revealed that Dsup broadly buffers many processes and genes at lower cadmium levels, but at higher doses, cells shift to buffering specific genes and processes. These findings help identify host genetic processes that influence Dsup's ability to confer cadmium resistance to organisms.",
  "summary": "The intrinsically disordered tardigrade Dsup protein has garnered attention for its ability to protect cells and organisms from radiation and oxidative stress. Our lab has previously described Dsups protective effect in yeast, finding that, while Dsup expression comes with a fitness cost, it improves survival under many stressors, including the heavy metal cadmium. While Dsups protection against…",
  "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."
}