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Biomolecules

An image of biomolecules, such as nucleic acids, lipids and proteins, in live cells using an imaging technique called infrared (IR) transmission microscopy. Credit: Y. Lee/NIST

New IR Imaging Technique Reveals Biomolecules in Living Cells

Lead author Dr Charles Cox

Molecule identified that could be key for a new wave of drugs to target obesity and bone diseases

The microprotein in the mitochondria (green) and in the nucleus (blue) was overexpressed in human cells. The yellow and pink areas show that the signal of the microprotein overlaps with the mitochondrial and nuclear signals.

Evolution: Miniproteins appeared “from nowhere”

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