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Mirror bacteria are organisms constructed from mirror-image biomolecules unlike those used by all known life and are moving from theoretical concept to practical feasibility. Their unusual chemistry that makes them resistant to natural degradation and isolated from ecosystems, fuels optimism for applications such as more stable medicines, long-term information storage, and novel platforms for bioengineering. At the same time, these very characteristics raise reservations: they challenge existing definitions of “life,” expose gaps in regulation, and risk undermining public trust if deployed without careful oversight. This perspective assesses not only those risks but also the opportunities of mirror bacteria, moving beyond narrow biosafety debates to explore their broader ethical, regulatory, and cultural implications. We argue that mirror bacteria represent a rare testcase for how science and society navigate the responsibilities of creating fundamentally new forms of life. Their development offers not only technical possibilities but also a chance to build more resilient frameworks for governance and ethics in synthetic biology.
Rigouts et al. (Fri,) studied this question.