{
  "id": 18056516,
  "title": "CO2-concentrating nanoparticles drive progressive photosynthetic and cell-wall remodelling in Arabidopsis thaliana cells",
  "url": "https://urgent.news/2026/11/03/co2-concentrating-nanoparticles-drive-progressive-photosynthetic-and",
  "topic": "science",
  "section": "Science",
  "published": "2026-11-03T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.10.30.763161v1?rss=1"
  },
  "original_language": "en",
  "account": "Arabidopsis thaliana cells, a plant species with unique attributes, present an appealing platform for biohybrid engineering. These cells exhibit growth, proliferation, photosynthetic carbon acquisition, and the continual synthesis of complex biomass. The potential to merge synthetic components with cellular physiology and material organization is yet to be fully explored within proliferating plant cell populations. A study introduces a novel biohybrid system that integrates photosynthetically active Arabidopsis thaliana suspension cells with chitosan-modified polyethyleneimine (gPEI-Chi) nanoparticles, a synthetic CO2-concentrating nanomaterial. By replenishing these nanoparticles with each subculture, the cells progressively adapted, leading to significant alterations in cellular and multicellular features. The incorporation of nanoparticles was observed to lower net CO2 accumulation in the surroundings, enhance chlorophyll levels, and orchestrate the sequential reorganization of photosynthetic mechanisms and carbon-handling procedures. These biochemical transformations were paralleled by modified cell wall regeneration and a step-by-step remodeling of cell wall composition, spatial layout, and microscopic structure. These adjustments culminated in the formation of more unified multicellular assemblies. This research underscores the potential of employing successive nanomaterial functionalization as a means to guide the dynamic evolution of physiology and structural organization in proliferating plant cell populations, thereby promising new avenues for the development of plant biohybrid systems and engineered living materials.",
  "summary": "Plant cells offer a distinctive platform for biohybrid engineering because they combine growth and proliferation with photosynthetic carbon acquisition and the continuous fabrication of structurally complex biomass. Harnessing these capabilities could enable living systems in which synthetic functionality develops together with cellular physiology and material organization. Yet nanomaterial…",
  "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."
}