Episode
Ada Yonath – Crystallographer Who Revealed Ribosome Structure
- Published
- Mar 10, 2026
- Duration seconds
- 342
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Summary
This episode tells the story of Ada Yonath, the pioneering crystallographer whose research revealed the atomic structure of the ribosome—the molecular machine responsible for producing proteins in living cells. Born in 1939 in Jerusalem, Yonath overcame financial hardship and pursued a career in chemistry and structural biology. In the 1970s, she began studying ribosomes, a challenge many scientists considered impossible due to their size and instability. Through persistence and innovation, she developed techniques such as cryocrystallography , cooling crystals to extremely low temperatures to protect them during X-ray analysis. She also used ribosomes from bacteria that survive extreme environments, which helped stabilize the structures for study. After decades of research, Yonath and her collaborators successfully mapped the ribosome's structure, revealing how it translates genetic information into proteins. Her work also explained how many antibiotics target bacterial ribosomes, providing critical insights for developing new treatments against infectious diseases. For this groundbreaking achievement, Ada Yonath received the 2009 Nobel Prize in Chemistry . Her discovery transformed molecular biology and deepened our understanding of one of life's most fundamental processes.