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MRC Laboratory of Molecular Biology

MRC Laboratory of Molecular Biology

One of the world's leading research institutes, our scientists are working to advance understanding of biological processes at the molecular level - providing the knowledge needed to solve key problems in human health.

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Insight on Research

Following protein footprints on RNA to track splicing fidelity

Published on 5 March, 2021

Studying splicing fidelity has been difficult as some of the factors known to promote correct splice site use bind the spliceosome only transiently. Kiyoshi Nagai’s group have developed a method to study how proteins that ensure fidelity bind to RNA at different stages of splicing.

TRIM21 is both enzyme and substrate when creating a signal to degrade bound viruses and proteins

Published on 2 March, 2021

The intracellular immune receptor TRIM21 detects antibody-bound viruses inside our cells and targets them for destruction by creation of a polyubiquitin signal. David Neuhaus’ group, with Leo James’, has shown that TRIM21 is both the enzyme and recipient of the ubiquitination.

Packaging molecular motors for delivery

Published on 26 February, 2021

The airways in our lungs are kept clear of mucus by the rhythmic beating motion of slender cellular extensions called cilia, driven by dynein motors. Andrew Carter’s group, has discovered a novel protein that packages these molecular motors for delivery into the cilia.

Targeting RNA replication in SARS-CoV-2

Published on 3 February, 2021

Chris Russo’s, David Barford’s, Jan Löwe’s, and John Sutherland’s groups have together solved the structure of the inhibitor favipiravir-RTP in complex with the SARS-CoV-2 RNA-dependent RNA polymerase, providing new insight into its mechanism of action.

Furin protease is not essential for SARS-CoV-2 infection

Published on 29 January, 2021

Scientists had thought that the protease furin was responsible for cleavage of the SARS-CoV-2 Spike protein to reveal the fusion machinery that enables infection, but new work from Leo James’ group shows that furin is not essential for SARS-CoV-2 infection.

How the fate of immune cell precursors is decided

Published on 11 January, 2021

Type 2 ILCs (ILC2s) play an important role in dealing with parasites and are implicated in allergy. Andrew McKenzie’s group has discovered that the transcription factor RORα acts as a checkpoint controlling divergence between T cell and ILC2 development.

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