Overview
- A University of Minnesota group posted a BioRxiv preprint describing SpudCell, a bottom‑up system assembled from laboratory chemicals that can take up nutrients, copy its genome and undergo physical division.
- SpudCell completes core life‑cycle steps in the lab but is non‑autonomous: it must be refed with chemical nutrients, it lacks ribosomes to make proteins, and sustained division has been observed for only up to ten generations.
- The construct’s genetic material is small at about 90,000 base pairs and is split across multiple DNA plasmids, which raises the risk that parts of the genome are lost during division.
- The results have not yet passed independent peer review, outside scientists call the work an important technical advance, and the Adamala team has launched a new institute called Biotic to consolidate the genome and add molecular machinery.
- If validated and engineered further, researchers say synthetic cells could let scientists grow specialized materials and produce chemicals at lower energy, but the path to autonomous, stable systems is long and the work raises safety and misuse concerns rooted in earlier synthetic‑genome efforts.