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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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