{
  "id": 12526691,
  "title": "Phosphorylation of Z granule components regulates germ granule organization and RNAi inheritance",
  "url": "https://urgent.news/2026/10/06/phosphorylation-of-z-granule-components-regulates-germ-granule",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-06T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.10.06.756944v1?rss=1"
  },
  "original_language": "en",
  "account": "Small RNAs play a crucial role in the epigenetic information transfer in nematodes, with Z granules being the key condensates responsible for the inheritance of RNA interference (RNAi). However, the precise mechanisms governing Z granule formation and their role in RNAi inheritance are still not fully understood. Researchers have now discovered that Casein kinase I alpha (KIN-19) is present in Z granules and is linked to the phosphorylation of DEPS-1 and HERD-1 proteins. When DEPS-1 and HERD-1 phosphorylation are absent, Z granules become enlarged, and RNAi inheritance is enhanced. It is suggested that DEPS-1 functions as a phosphorylation-regulated scaffold that connects ZNFX-1 and HERD-1 proteins. This study highlights the importance of Casein kinase I alpha-mediated phosphorylation in modulating germ granule organization and RNAi inheritance, while also introducing a new molecular scaffold that could help unravel the complexity of germ granules in C. elegans.",
  "summary": "Small RNAs represent important carriers of epigenetic information in nematodes, and factors involved in their biogenesis reside within perinuclear germ granules. Among these condensates, Z granules are essential for the inheritance of RNA interference (RNAi). The mechanisms by which Z granules form and promote this process remain unclear. We show that Casein kinase I alpha (KIN-19) is present in…",
  "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."
}