For First Time, a Cell Built from Scratch Grows and Divides
Scientists have created a synthetic minimal cell that can grow and divide on its own, using a genome they built from scratch. The cell, which contains only the essential genes for life, successfully reproduces, marking a significant step toward understanding the fundamental requirements of life and enabling future bioengineering applications.
Background
- Researchers at J. Craig Venter Institute (JCVI) built a synthetic bacterium (JCVI-syn1.0) in 2010 — the first organism with a fully artificial genome — but it was a "shell" that couldn't grow or divide on its own; it relied on existing cell machinery.
- The new result (published mid-2025) is a synthetic cell built from chemically synthesized DNA plus lab-made proteins and membranes that can autonomously replicate (grow and divide) like a natural bacterium.
- This is a milestone in synthetic biology: moving beyond reading and editing DNA to actually writing entire living systems from scratch, testing what minimal ingredients are required for life.
- Key names: J. Craig Venter Institute (pioneers in synthetic genomics), Elizabeth Strychalski (led the work at JCVI).
- Why it matters: proves that life can be built from non-living chemical parts, opens the door to designing custom cells for medicine (drug production), materials, and environmental cleanup — but also raises biosafety and ethical questions about creating artificial life.