Synthetic 'SpudCell' Grows and Divides Using Only Nonliving Chemistry

A University of Minnesota research team announced Wednesday that it had constructed a synthetic cell from nonliving chemical components that can feed itself, replicate its DNA, and divide -- completing a rudimentary cell cycle without a single living ingredient in the starting recipe.

The creation is called SpudCell, a name its lead builder, synthetic biologist Kate Adamala, chose because of the structure's irregular, potato-like shape. <cite index="16-7,16-8,16-9">Scientists built a synthetic cell that combines more lifelike properties than ever before, and for the first time, biologists packed nonliving components into a cell-like membrane piece by piece and watched the molecules begin to behave like life: the cell grew, replicated its DNA, and divided.</cite>

The recipe is more complicated than it sounds. <cite index="13-12,13-13,13-14,13-15">The first step was to create a broth of the molecules necessary for a cell to operate -- about a hundred kinds of proteins and simple molecules required for crucial chemical reactions, including making new proteins from genes. The researchers also gave their synthetic cell genes borrowed from a virus and from Escherichia coli, selecting 36 genes for basic jobs like copying DNA.</cite> <cite index="13-16,13-17">After mixing these ingredients into a soup, the scientists added the building blocks of membranes, which spontaneously joined together into bubbles, each engulfing some of the soup.</cite>

The result is impressive, but the limitations matter. <cite index="16-11,16-12">The cell is not alive by any standard definition; it can't survive without constant deliveries of food and ribosomes, the machinery needed to make proteins.</cite> Jack Szostak, who studies the origins of life at the University of Chicago and was not involved in the work, told Quanta Magazine it was <cite index="16-10">'an impressive step'</cite> -- but also noted that the inability to generate its own ribosomes <cite index="16-5">"limits [their] potential for growth and sustained reproduction."</cite> That's not a minor caveat. Ribosomes are the translational machinery that every known living cell manufactures for itself. SpudCell has to be hand-fed them, which puts a hard ceiling on how autonomous or self-sustaining the system truly is.

Adam ada herself is deliberate about the language. <cite index="13-7,13-8">"Life is not binary," she said. "That's why I'm hesitant to call this 'alive.' There's no clear line, as much as we would love it to be."</cite>

On biosafety: co-researcher Drew Endy told CNN that in its current form SpudCell carries no meaningful risk. <cite index="11-7,11-8">"It can only divide if you feed everything, including ribosomes. It has zero capacity to reproduce itself outside that context," he said.</cite> <cite index="14-11">Adamala and Endy also noted that because SpudCell can be built from the bottom up, it will be possible to engineer safeguards into the cell's genome that would prevent it from posing safety risks if released into an environment.</cite> They acknowledged, though, that a future where more researchers can build cells from scratch will require ongoing safety governance.

The team is not patenting the work. <cite index="11-4">Alongside the paper, Adamala and colleagues Drew Endy, Jan Jedryszek, and Chris Raggio launched Biotic, a public-benefit institution intended to share the technology with other researchers, modeled on open-source software.</cite> <cite index="9-8">The biologists say SpudCell could one day be adapted as a tool to create fuels, medicines, and other critical supplies without the need for toxic pollutants.</cite> Those applications are speculative at this stage; the immediate scientific value is proof of concept.

The next hard problem is evolution. <cite index="16-1,16-2">A clear demonstration of an evolutionary process is 'clearly something that's missing,' researcher Boekhoven said, calling it the next big step.</cite> Other groups have shown adaptive evolution in stripped-down bacteria, but those weren't built from the ground up the way SpudCell was. Getting a fully synthetic cell to not just divide but to accumulate heritable variation under selection pressure would be a qualitatively different result -- and that experiment hasn't been run yet.

For now, what the University of Minnesota team has demonstrated is that you can assemble the mechanical gestures of cellular life from a parts list. Whether those gestures add up to life, and whether they can be upgraded to sustain themselves without a caretaker's supply chain, is the question the next phase of the research will have to answer.

Sources cited:
- Quanta Magazine (https://www.quantamagazine.org/for-the-first-time-a-cell-built-from-scratch-grows-and-divides-20260701/)
- CNN (https://www.cnn.com/2026/07/01/science/synthetic-cell-research)
- Star Tribune (https://www.startribune.com/u-of-m-researcher-creates-synthetic-cell-that-could-change-the-world/601863812)
- IBTimes UK (https://www.ibtimes.co.uk/scientists-create-synthetic-cell-spudcell-1806315)