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The image shows a high-resolution 3D model of the plant RNA polymerase PEP, which plays a central role in photosynthesis. Copyright: Paula Favoretti Vital do Prado and Johannes Pauly / MPI-NAT, UMG

01.03.2024

Light into the darkness of photosynthesis: 3D insights into the copying machine of chloroplasts

For life on Earth, it is essential that plants carry out photosynthesis and ultimately produce oxygen and chemical energy with the help of sunlight. Researchers from Göttingen and Hannover have now succeeded for the first time in visualizing the copying machine of chloroplasts, the RNA polymerase PEP, in high-resolution 3D.
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The image shows a high-resolution 3D model of the plant RNA polymerase PEP, which plays a central role in photosynthesis. Copyright: Paula Favoretti Vital do Prado and Johannes Pauly / MPI-NAT, UMG

01.03.2024

Light into the darkness of photosynthesis: 3D insights into the copying machine of chloroplasts

• A molecular 3D snapshot of the copying machine in chloroplasts, the RNA polymerase PEP, provides new insights into the evolution and function of plant photosynthesis. • Using a cryo-electron microscope, a high-resolution image of a 19-subunit PEP complex from white mustard (Sinapis alba) was taken. • Evolutionary analyses indicate
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3D reconstruction of an amyloid-β peptide (in yellow) and lipids attached around it (in blue), calculated from cryo-electron microscopy images. Gunnar Schröder / Research Centre Jülich, HHU Düsseldorf

01.03.2024

Lipid fibrils: A new building block for understanding Alzheimer’s disease

Lipids play an important role in the development of Alzheimer’s dementia. However, more details about this process were previously unknown. A team of scientists from Göttingen, Jülich, and Düsseldorf has now determined the atomic structures of lipid-fibril complexes for the first time.   Link to the press release article (in
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